Merge pull request 'added native features like homescreen-widgets and share intents' (#97) from develop-native into develop

Reviewed-on: #97

.gitignore

@@ -48,14 +48,14 @@ lib/generated_plugin_registrant.dart
 #pubspec.lock
 
 # Android related
-**/android/**/gradle-wrapper.jar
-**/android/.gradle
-**/android/captures/
-**/android/gradlew
-**/android/gradlew.bat
-**/android/key.properties
-**/android/local.properties
-**/android/**/GeneratedPluginRegistrant.java
+materials/screenshots/android/**/gradle-wrapper.jar
+materials/screenshots/android/.gradle
+materials/screenshots/android/captures/
+materials/screenshots/android/gradlew
+materials/screenshots/android/gradlew.bat
+materials/screenshots/android/key.properties
+materials/screenshots/android/local.properties
+materials/screenshots/android/**/GeneratedPluginRegistrant.java
 
 # iOS/XCode related
 **/ios/**/*.mode1v3

CLAUDE.md

@@ -0,0 +1,77 @@
+# MarianumMobile Client
+
+Flutter-App für die Schul-Community: Webuntis-Stundenplan, Nextcloud Talk + Files, Custom MHSL-Backend (Breaker, Custom Events, Push).
+
+## Stack
+
+- **Flutter** (Dart >= 3.8)
+- **State:** `flutter_bloc` + `hydrated_bloc` (persistente BLoCs pro Modul)
+- **Navigation:** `persistent_bottom_nav_bar_v2` mit zentraler `AppRoutes`-Klasse als Single Entry Point
+- **HTTP:** `dio`, lokales Caching via `localstore` (Generic `RequestCache<T>`)
+- **Calendar:** `syncfusion_flutter_calendar`
+- **Datum/Zeit:** `jiffy` – wird **nur** über die Extensions in `lib/extensions/date_time.dart` verwendet
+- **Code-Gen:** `freezed`, `json_serializable`
+
+## Ordnerstruktur
+
+```
+lib/
+├── api/                    HTTP-Layer pro Backend (mhsl/, marianumcloud/, webuntis/, holidays/)
+├── state/app/modules/      BLoC pro Feature-Modul (timetable, chat, chat_list, files, ...)
+├── state/app/infrastructure LoadableState<T>, DataLoader, geteilte BLoC-Bausteine
+├── view/                   Screens
+│   ├── login/              Login-Flow
+│   └── pages/              ein Verzeichnis pro Modul (timetable, files, talk, ...)
+├── widget/                 Geteilte UI-Komponenten (Dialoge, Buttons, Sheets)
+├── extensions/             DateTime-, Text-, TimeOfDay-Extensions
+├── routing/                AppRoutes (Single Navigation Entry)
+├── theming/                Light/Dark Theme
+├── storage/                Freezed Settings-Modelle (HydratedBloc-persistent)
+├── notification/           Firebase + flutter_local_notifications
+└── utils/                  Helper (clipboard_helper, debouncer, download_manager, ...)
+```
+
+## Konventionen
+
+**Navigation:** Ausschließlich über `AppRoutes.openX(context, ...)`. Direkte `Navigator.push(...)` für volle Pages sind nicht erlaubt – `Navigator.pop` für Sheets/Dialogs bleibt am Call-Site.
+
+**Dialoge:**
+- Info/Fehler: `InfoDialog.show(context, body, copyable: true, title: '...')` aus `lib/widget/info_dialog.dart`.
+- Bestätigung: `ConfirmDialog(...).asDialog(context)` aus `lib/widget/confirm_dialog.dart`. Async-Bestätigung nutzt `onConfirmAsync` (zeigt Spinner und Inline-Fehler über `AsyncDialogAction`).
+- **Kein** inline `AlertDialog`/`SimpleDialog` mehr.
+
+**Bottom-Sheets:** Detail-Sheets gehen über `showDetailsBottomSheet(context, header: ..., children: (ctx) => [...])` aus `lib/widget/details_bottom_sheet.dart`. Header ist optional.
+
+**Async-Actions:** Statt manuelles Spinner+Try/Catch die `AsyncActionButton`-Familie aus `lib/widget/async_action_button.dart` (`AsyncActionButton`, `AsyncTextButton`, `AsyncIconButton`, `AsyncFab`, `AsyncListTile`, `AsyncDialogAction`, `runWithErrorDialog`). Fehler-Mapping läuft über `errorBuilder` oder zentral über `errorToUserMessage` aus `lib/api/errors/error_mapper.dart`.
+
+**Clipboard:** Über `copyToClipboard(context, text)` aus `lib/utils/clipboard_helper.dart`. Zeigt automatisch SnackBar.
+
+**Datum/Zeit-Formatierung:** Über die Extensions in `lib/extensions/date_time.dart`:
+`dt.formatHm()`, `dt.formatDate()`, `dt.formatDateTime()`, `dt.formatDateShort()`, `dt.formatRelative()`, `start.timeRangeTo(end)`. **Kein** direktes `Jiffy.parseFromDateTime(...).format(pattern: '...')` im View-Code.
+
+**Settings:** Pro Feature ein Freezed-Modell unter `lib/storage/`, persistiert via HydratedBloc.
+
+## Build / Run
+
+```bash
+flutter pub get
+dart run build_runner build --delete-conflicting-outputs   # nach Änderungen an Freezed/JSON-Modellen
+flutter run                                                  # Debug auf angeschlossenem Device
+flutter analyze                                              # statische Analyse, muss 0 Issues melden
+flutter test                                                 # Tests (siehe test/)
+```
+
+## Backend-Integrationen
+
+| Backend                   | Pfad                  | Zweck                                  |
+|---------------------------|-----------------------|----------------------------------------|
+| Webuntis                  | `lib/api/webuntis/`   | Stundenplan, Klassen, Räume, Lehrer    |
+| Nextcloud (Talk + WebDAV) | `lib/api/marianumcloud/` | Chats, Datei-Verwaltung             |
+| Custom MHSL-Server        | `lib/api/mhsl/`       | Breaker, Custom Events, Notify, Noten  |
+| Holiday-Calendar          | `lib/api/holidays/`   | Ferien                                 |
+
+`nextcloud`-Paket ist auf einen Custom-Fork gepinnt (siehe `pubspec.yaml` `dependency_overrides`).
+
+## Tests
+
+`test/` deckt aktuell nur Kern-Funktionen ab (DateTime-Extensions, AsyncActionController, LessonResolver). Beim Hinzufügen neuer pure-function-Helper bitte Test mit dazu.

analysis_options.yaml

@@ -1,33 +1,88 @@
-# This file configures the analyzer, which statically analyzes Dart code to
-# check for errors, warnings, and lints.
+# Static analysis configuration for the Flutter project.
+# https://dart.dev/guides/language/analysis-options
 #
-# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
-# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
-# invoked from the command line by running `flutter analyze`.
+# Base ruleset: flutter_lints (recommended Flutter defaults).
+# Additional lints below catch real bugs and enforce consistent style.
 
-# The following line activates a set of recommended lints for Flutter apps,
-# packages, and plugins designed to encourage good coding practices.
 include: package:flutter_lints/flutter.yaml
 
-linter:
-  # The lint rules applied to this project can be customized in the
-  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
-  # included above or to enable additional rules. A list of all available lints
-  # and their documentation is published at
-  # https://dart-lang.github.io/linter/lints/index.html.
-  #
-  # Instead of disabling a lint rule for the entire project in the
-  # section below, it can also be suppressed for a single line of code
-  # or a specific dart file by using the `// ignore: name_of_lint` and
-  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
-  # producing the lint.
-  rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
-    file_names: false
-    prefer_relative_imports: true
-    unnecessary_lambdas: true
-    prefer_single_quotes: true
+analyzer:
+  language:
+    strict-casts: true
+    strict-raw-types: true
+  errors:
+    invalid_annotation_target: ignore
+    todo: ignore
+  exclude:
+    - "**/*.g.dart"
+    - "**/*.freezed.dart"
+    - "lib/firebase_options.dart"
+    - "build/**"
 
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+linter:
+  rules:
+    # === Project conventions ===
+    prefer_relative_imports: true
+    prefer_single_quotes: true
+    eol_at_end_of_file: true
+    omit_local_variable_types: true
+    avoid_multiple_declarations_per_line: true
+
+    # === Bug catchers ===
+    always_declare_return_types: true
+    avoid_empty_else: true
+    avoid_slow_async_io: true
+    avoid_type_to_string: true
+    avoid_void_async: true
+    await_only_futures: true
+    cancel_subscriptions: true
+    cast_nullable_to_non_nullable: true
+    close_sinks: true
+    empty_catches: true
+    hash_and_equals: true
+    no_adjacent_strings_in_list: true
+    no_duplicate_case_values: true
+    test_types_in_equals: true
+    throw_in_finally: true
+    unawaited_futures: true
+    unnecessary_statements: true
+    unrelated_type_equality_checks: true
+    use_build_context_synchronously: true
+    valid_regexps: true
+
+    # === Flutter widget hygiene ===
+    avoid_unnecessary_containers: true
+    sized_box_for_whitespace: true
+    sort_child_properties_last: true
+    use_colored_box: true
+    use_decorated_box: true
+    use_full_hex_values_for_flutter_colors: true
+    use_key_in_widget_constructors: true
+
+    # === Code clarity ===
+    directives_ordering: true
+    library_prefixes: true
+    no_leading_underscores_for_local_identifiers: true
+    prefer_conditional_assignment: true
+    prefer_if_elements_to_conditional_expressions: true
+    prefer_if_null_operators: true
+    prefer_initializing_formals: true
+    prefer_interpolation_to_compose_strings: true
+    prefer_is_empty: true
+    prefer_is_not_empty: true
+    prefer_is_not_operator: true
+    prefer_iterable_whereType: true
+    prefer_null_aware_operators: true
+    prefer_spread_collections: true
+    prefer_void_to_null: true
+    unnecessary_await_in_return: true
+    unnecessary_brace_in_string_interps: true
+    unnecessary_lambdas: true
+    unnecessary_null_aware_assignments: true
+    unnecessary_null_checks: true
+    unnecessary_parenthesis: true
+    unnecessary_string_interpolations: true
+    use_super_parameters: true
+
+    # === File naming ===
+    file_names: true

android/app/build.gradle

@@ -25,15 +25,16 @@ if (flutterVersionName == null) {
 android {
     namespace "eu.mhsl.marianum.mobile.client"
     compileSdk flutter.compileSdkVersion
-    ndkVersion flutter.ndkVersion
+    ndkVersion "28.2.13676358"
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+        coreLibraryDesugaringEnabled true
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     sourceSets {
@@ -41,11 +42,8 @@ android {
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "eu.mhsl.marianum.mobile.client"
-        // You can update the following values to match your application needs.
-        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion 19
+        minSdkVersion 26
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -66,5 +64,6 @@ flutter {
 }
 
 dependencies {
-    implementation 'com.android.support:multidex:1.0.3'
+    implementation 'com.android.support:multidex:2.0.1'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.1.4'
 }

android/app/src/main/AndroidManifest.xml

@@ -2,7 +2,9 @@
     <application
         android:label="Marianum Fulda"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:fullBackupContent="@xml/backup_rules"
+        android:dataExtractionRules="@xml/data_extraction_rules">
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -23,12 +25,53 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+                <data android:mimeType="video/*" />
+                <data android:mimeType="application/*" />
+                <data android:mimeType="text/*" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+                <data android:mimeType="video/*" />
+                <data android:mimeType="application/*" />
+            </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+
+        <!-- Receiver classes live at the package root (NOT under .widgets) because
+             the home_widget Flutter plugin resolves them as <app-package>.<name>. -->
+        <receiver
+            android:name="eu.mhsl.marianum.mobile.client.TimetableDayWidget"
+            android:label="@string/widget_day_label"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/timetable_day_widget_info" />
+        </receiver>
+
+        <receiver
+            android:name="eu.mhsl.marianum.mobile.client.TimetableWeekWidget"
+            android:label="@string/widget_week_label"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/timetable_week_widget_info" />
+        </receiver>
     </application>
     <!-- Required to query activities that can process text, see:
          https://developer.android.com/training/package-visibility?hl=en and
@@ -42,4 +85,7 @@
         </intent>
     </queries>
     <uses-permission android:name="android.permission.INTERNET"/>
+    <!-- Workmanager periodic widget refresh needs to reschedule after device
+         reboot, otherwise the widget freezes until the user opens the app. -->
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
 </manifest>

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/MainActivity.kt

@@ -1,5 +1,42 @@
 package eu.mhsl.marianum.mobile.client
 
+import android.content.Intent
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
 
-class MainActivity: FlutterActivity()
+class MainActivity : FlutterActivity() {
+    private val widgetChannel = "eu.mhsl.marianum.widget"
+    /// Last seen widget tap target. Cleared by Dart via `consumePendingNavigation`
+    /// so the same intent isn't replayed on every resume.
+    private var pendingTimetableTap: Boolean = false
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+        MethodChannel(
+            flutterEngine.dartExecutor.binaryMessenger,
+            widgetChannel
+        ).setMethodCallHandler { call, result ->
+            when (call.method) {
+                "consumePendingNavigation" -> {
+                    val pending = pendingTimetableTap
+                    pendingTimetableTap = false
+                    result.success(pending)
+                }
+                else -> result.notImplemented()
+            }
+        }
+        consumeIntentData(intent)
+    }
+
+    override fun onNewIntent(intent: Intent) {
+        super.onNewIntent(intent)
+        consumeIntentData(intent)
+    }
+
+    private fun consumeIntentData(intent: Intent?) {
+        if (intent?.getBooleanExtra("widget_open_timetable", false) == true) {
+            pendingTimetableTap = true
+        }
+    }
+}

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/TimetableDayWidget.kt

@@ -0,0 +1,37 @@
+package eu.mhsl.marianum.mobile.client
+
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProvider
+import android.content.Context
+import android.os.Bundle
+import eu.mhsl.marianum.mobile.client.widgets.WidgetRenderer
+
+/**
+ * Lives at the package root (not under `widgets/`) because the home_widget
+ * Flutter plugin resolves the receiver class as `<app-package>.<androidName>`.
+ */
+class TimetableDayWidget : AppWidgetProvider() {
+    override fun onUpdate(
+        context: Context,
+        appWidgetManager: AppWidgetManager,
+        appWidgetIds: IntArray,
+    ) {
+        for (id in appWidgetIds) {
+            val options = appWidgetManager.getAppWidgetOptions(id)
+            val views = WidgetRenderer.buildDay(context, context.packageName, options)
+            appWidgetManager.updateAppWidget(id, views)
+        }
+    }
+
+    override fun onAppWidgetOptionsChanged(
+        context: Context,
+        appWidgetManager: AppWidgetManager,
+        appWidgetId: Int,
+        newOptions: Bundle,
+    ) {
+        // Re-render on resize, otherwise the tiles stay at install-time size
+        // and either clip or leave dead space.
+        val views = WidgetRenderer.buildDay(context, context.packageName, newOptions)
+        appWidgetManager.updateAppWidget(appWidgetId, views)
+    }
+}

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/TimetableWeekWidget.kt

@@ -0,0 +1,31 @@
+package eu.mhsl.marianum.mobile.client
+
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProvider
+import android.content.Context
+import android.os.Bundle
+import eu.mhsl.marianum.mobile.client.widgets.WidgetRenderer
+
+class TimetableWeekWidget : AppWidgetProvider() {
+    override fun onUpdate(
+        context: Context,
+        appWidgetManager: AppWidgetManager,
+        appWidgetIds: IntArray,
+    ) {
+        for (id in appWidgetIds) {
+            val options = appWidgetManager.getAppWidgetOptions(id)
+            val views = WidgetRenderer.buildWeek(context, context.packageName, options)
+            appWidgetManager.updateAppWidget(id, views)
+        }
+    }
+
+    override fun onAppWidgetOptionsChanged(
+        context: Context,
+        appWidgetManager: AppWidgetManager,
+        appWidgetId: Int,
+        newOptions: Bundle,
+    ) {
+        val views = WidgetRenderer.buildWeek(context, context.packageName, newOptions)
+        appWidgetManager.updateAppWidget(appWidgetId, views)
+    }
+}

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/widgets/WidgetData.kt

@@ -0,0 +1,157 @@
+package eu.mhsl.marianum.mobile.client.widgets
+
+import org.json.JSONException
+import org.json.JSONObject
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Date
+import java.util.Locale
+import java.util.TimeZone
+
+// Mirror of lib/widget_data/widget_data.dart — JSON keys + enum names
+// must stay in sync.
+enum class WidgetLessonStatus {
+    REGULAR, ONGOING, PAST, CANCELLED, IRREGULAR, TEACHER_CHANGED, EVENT;
+
+    companion object {
+        fun fromWire(raw: String?): WidgetLessonStatus = when (raw) {
+            "regular" -> REGULAR
+            "ongoing" -> ONGOING
+            "past" -> PAST
+            "cancelled" -> CANCELLED
+            "irregular" -> IRREGULAR
+            "teacherChanged" -> TEACHER_CHANGED
+            "event" -> EVENT
+            else -> REGULAR
+        }
+    }
+}
+
+data class WidgetLesson(
+    val start: Date,
+    val end: Date,
+    val subjectShort: String,
+    val subjectLong: String?,
+    val room: String?,
+    val teacher: String?,
+    val originalTeacher: String?,
+    val status: WidgetLessonStatus,
+    val customColor: String?,
+    val siblingCount: Int,
+)
+
+data class WidgetPeriod(
+    val name: String,
+    val startMinutes: Int,
+    val endMinutes: Int,
+    val virtualStartMinutes: Int,
+    val virtualEndMinutes: Int,
+)
+
+data class WidgetTimetableData(
+    val fetchedAt: Date,
+    val anchorDate: Date,
+    val lessons: List<WidgetLesson>,
+    val periods: List<WidgetPeriod>,
+    val isHoliday: Boolean,
+    val holidayName: String?,
+)
+
+object WidgetDataParser {
+    private val isoFormat: SimpleDateFormat
+        get() = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS", Locale.ROOT).apply {
+            timeZone = TimeZone.getDefault()
+        }
+
+    /// Dart's toIso8601String() ships microseconds (6 digits) when non-zero;
+    /// SimpleDateFormat only parses 3 → strip the extra digits. Local time
+    /// without Z is the default, so removeSuffix("Z") makes the parser
+    /// tolerate both shapes.
+    private fun parseDate(raw: String?): Date? {
+        if (raw.isNullOrEmpty()) return null
+        val cleaned = raw
+            .replace(Regex("([.,]\\d{3})\\d+"), "$1")
+            .removeSuffix("Z")
+        return try {
+            isoFormat.parse(cleaned)
+        } catch (_: Exception) {
+            null
+        }
+    }
+
+    fun parse(json: String?): WidgetTimetableData? {
+        if (json.isNullOrEmpty()) return null
+        return try {
+            val root = JSONObject(json)
+            val lessonsArray = root.optJSONArray("lessons")
+            val lessons = mutableListOf<WidgetLesson>()
+            if (lessonsArray != null) {
+                for (i in 0 until lessonsArray.length()) {
+                    val obj = lessonsArray.optJSONObject(i) ?: continue
+                    val start = parseDate(obj.stringOrNull("start")) ?: continue
+                    val end = parseDate(obj.stringOrNull("end")) ?: continue
+                    lessons += WidgetLesson(
+                        start = start,
+                        end = end,
+                        subjectShort = obj.stringOrNull("subjectShort") ?: "",
+                        subjectLong = obj.stringOrNull("subjectLong"),
+                        room = obj.stringOrNull("room"),
+                        teacher = obj.stringOrNull("teacher"),
+                        originalTeacher = obj.stringOrNull("originalTeacher"),
+                        status = WidgetLessonStatus.fromWire(obj.stringOrNull("status")),
+                        customColor = obj.stringOrNull("customColor"),
+                        siblingCount = obj.optInt("siblingCount", 0),
+                    )
+                }
+            }
+            val periodsArray = root.optJSONArray("periods")
+            val periods = mutableListOf<WidgetPeriod>()
+            if (periodsArray != null) {
+                for (i in 0 until periodsArray.length()) {
+                    val obj = periodsArray.optJSONObject(i) ?: continue
+                    periods += WidgetPeriod(
+                        name = obj.stringOrNull("name") ?: "",
+                        startMinutes = obj.optInt("startMinutes", 0),
+                        endMinutes = obj.optInt("endMinutes", 0),
+                        virtualStartMinutes = obj.optInt("virtualStartMinutes", 0),
+                        virtualEndMinutes = obj.optInt("virtualEndMinutes", 0),
+                    )
+                }
+            }
+            WidgetTimetableData(
+                fetchedAt = parseDate(root.stringOrNull("fetchedAt")) ?: Date(),
+                anchorDate = parseDate(root.stringOrNull("anchorDate")) ?: Date(),
+                lessons = lessons,
+                periods = periods,
+                isHoliday = root.optBoolean("isHoliday", false),
+                holidayName = root.stringOrNull("holidayName"),
+            )
+        } catch (_: JSONException) {
+            null
+        }
+    }
+
+    private fun JSONObject.stringOrNull(key: String): String? {
+        if (!has(key) || isNull(key)) return null
+        val raw = optString(key, "")
+        return if (raw.isEmpty()) null else raw
+    }
+}
+
+object WidgetDateUtils {
+    fun startOfDay(date: Date): Date {
+        val cal = Calendar.getInstance().apply { time = date }
+        cal.set(Calendar.HOUR_OF_DAY, 0)
+        cal.set(Calendar.MINUTE, 0)
+        cal.set(Calendar.SECOND, 0)
+        cal.set(Calendar.MILLISECOND, 0)
+        return cal.time
+    }
+
+    fun isSameDay(a: Date, b: Date): Boolean {
+        val ca = Calendar.getInstance().apply { time = a }
+        val cb = Calendar.getInstance().apply { time = b }
+        return ca.get(Calendar.YEAR) == cb.get(Calendar.YEAR) &&
+            ca.get(Calendar.DAY_OF_YEAR) == cb.get(Calendar.DAY_OF_YEAR)
+    }
+}

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/widgets/WidgetRenderer.kt

@@ -0,0 +1,786 @@
+package eu.mhsl.marianum.mobile.client.widgets
+
+import android.app.PendingIntent
+import android.appwidget.AppWidgetManager
+import android.content.Context
+import android.content.Intent
+import android.content.SharedPreferences
+import android.content.res.Configuration
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.View
+import android.widget.RemoteViews
+import eu.mhsl.marianum.mobile.client.MainActivity
+import eu.mhsl.marianum.mobile.client.R
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Date
+import java.util.Locale
+import kotlin.math.max
+
+/**
+ * Renders the day and week widgets as a time-grid: lesson blocks absolutely
+ * positioned on a vertical axis, mirroring the in-app Syncfusion calendar.
+ * Per-hour dp is computed from the widget bundle so the grid scales with
+ * resize, clamped to [MIN_HOUR_HEIGHT_DP, MAX_HOUR_HEIGHT_DP].
+ */
+object WidgetRenderer {
+    private const val FALLBACK_VIRTUAL_MINUTES = 11 * 60
+
+    private const val DAY_CHROME_DP = 40
+    private const val WEEK_CHROME_DP = 64
+
+    private const val MIN_HOUR_HEIGHT_DP = 18
+    private const val MAX_HOUR_HEIGHT_DP = 72
+
+    private const val MIN_BLOCK_HEIGHT_DP = 16
+    private const val LESSON_GAP_DP = 1.5f
+
+    // Below SHOW_ROOM_MIN: subject only. Below SHOW_TEACHER_SEPARATE_MIN:
+    // subject + room. Above: subject + room + teacher stacked.
+    private const val BLOCK_SHOW_ROOM_MIN_DP = 18
+    private const val BLOCK_SHOW_TEACHER_SEPARATE_MIN_DP = 30
+
+    /// Below this column width autoSize can't fit subject + room — drop
+    /// room/teacher entirely on the week-widget.
+    private const val WEEK_COLUMN_TIGHT_DP = 45
+
+    private val timeFormat = SimpleDateFormat("HH:mm", Locale.GERMAN)
+    private val dateShort = SimpleDateFormat("dd.MM.", Locale.GERMAN)
+    private val weekdayShort = SimpleDateFormat("EE", Locale.GERMAN)
+    private val dateTimeShort = SimpleDateFormat("dd.MM. HH:mm", Locale.GERMAN)
+
+    /// Hex values mirror LightAppTheme / DarkAppTheme tokens so the widget
+    /// matches the app's branding rather than the generic system look.
+    private data class WidgetPalette(
+        val background: Int,
+        val textPrimary: Int,
+        val textSecondary: Int,
+        val divider: Int,
+        val breakBlock: Int,
+        val watermarkAlpha: Float,
+    )
+
+    private val lightPalette = WidgetPalette(
+        background = 0xFFFCF7F5.toInt(),
+        textPrimary = 0xFF1A1A1A.toInt(),
+        textSecondary = 0xFF555555.toInt(),
+        divider = 0x22000000,
+        breakBlock = 0x0C000000,
+        watermarkAlpha = 0.014f,
+    )
+
+    private val darkPalette = WidgetPalette(
+        background = 0xFF1F1716.toInt(),
+        textPrimary = 0xFFF1F1F1.toInt(),
+        textSecondary = 0xFFB0B0B0.toInt(),
+        divider = 0x33FFFFFF,
+        breakBlock = 0x14FFFFFF,
+        watermarkAlpha = 0.025f,
+    )
+
+    private fun resolvePalette(context: Context, themeMode: String?): WidgetPalette {
+        val isDark = when (themeMode) {
+            "light" -> false
+            "dark" -> true
+            else -> {
+                val uiMode = context.resources.configuration.uiMode and
+                    Configuration.UI_MODE_NIGHT_MASK
+                uiMode == Configuration.UI_MODE_NIGHT_YES
+            }
+        }
+        return if (isDark) darkPalette else lightPalette
+    }
+
+    fun buildDay(
+        context: Context,
+        packageName: String,
+        options: Bundle? = null,
+    ): RemoteViews {
+        val prefs = sharedPrefs(context)
+        val palette = resolvePalette(context, prefs.getString(KEY_THEME_MODE, "system"))
+        if (!prefs.getBoolean(KEY_LOGGED_IN, false)) {
+            return buildPlaceholder(
+                context,
+                packageName,
+                context.getString(R.string.widget_login_required),
+                palette,
+            )
+        }
+        val data = WidgetDataParser.parse(prefs.getString(KEY_DAY_DATA, null))
+            ?: return buildPlaceholder(
+                context,
+                packageName,
+                context.getString(R.string.widget_loading),
+                palette,
+            )
+
+        val totalVirtualMin = data.periods.lastOrNull()?.virtualEndMinutes
+            ?: FALLBACK_VIRTUAL_MINUTES
+        val hourHeightDp = resolveHourHeight(options, DAY_CHROME_DP, totalVirtualMin)
+
+        val views = RemoteViews(packageName, R.layout.widget_day)
+        applyChrome(views, palette, options)
+        views.setTextColor(R.id.widget_day_title, palette.textPrimary)
+        views.setTextColor(R.id.widget_day_subtitle, palette.textSecondary)
+        views.setTextColor(R.id.widget_day_empty, palette.textSecondary)
+        views.setTextViewText(
+            R.id.widget_day_title,
+            "${dayLabel(context, data.anchorDate)} · ${dateShort.format(data.anchorDate)}",
+        )
+        views.setTextViewText(
+            R.id.widget_day_subtitle,
+            context.getString(R.string.widget_status_label, freshnessLabel(context, data.fetchedAt)),
+        )
+
+        views.removeAllViews(R.id.widget_day_time_labels)
+        views.removeAllViews(R.id.widget_day_grid)
+
+        if (data.isHoliday) {
+            views.setViewVisibility(R.id.widget_day_empty, View.VISIBLE)
+            views.setTextViewText(
+                R.id.widget_day_empty,
+                data.holidayName ?: context.getString(R.string.widget_holiday),
+            )
+        } else if (data.lessons.isEmpty()) {
+            views.setViewVisibility(R.id.widget_day_empty, View.VISIBLE)
+            views.setTextViewText(
+                R.id.widget_day_empty,
+                context.getString(R.string.widget_no_lessons),
+            )
+        } else {
+            views.setViewVisibility(R.id.widget_day_empty, View.GONE)
+            populateGridLines(packageName, views, R.id.widget_day_time_labels, hourHeightDp, palette, data.periods)
+            populateTimeLabels(packageName, views, R.id.widget_day_time_labels, hourHeightDp, palette, data.periods)
+            populateGridLines(packageName, views, R.id.widget_day_grid, hourHeightDp, palette, data.periods)
+            populateBreakBlocks(packageName, views, R.id.widget_day_grid, hourHeightDp, palette, data.periods)
+            for (lesson in data.lessons) {
+                addLessonBlock(
+                    context = context,
+                    packageName = packageName,
+                    parent = views,
+                    containerId = R.id.widget_day_grid,
+                    lesson = lesson,
+                    hourHeightDp = hourHeightDp,
+                    periods = data.periods,
+                    subjectOnly = false,
+                    horizontalPaddingDp = 7,
+                )
+            }
+            maybeAddNowIndicator(
+                packageName,
+                views,
+                R.id.widget_day_grid,
+                hourHeightDp,
+                anchorDate = data.anchorDate,
+                periods = data.periods,
+            )
+        }
+
+        views.setOnClickPendingIntent(R.id.widget_root, openAppIntent(context))
+        return views
+    }
+
+    fun buildWeek(
+        context: Context,
+        packageName: String,
+        options: Bundle? = null,
+    ): RemoteViews {
+        val prefs = sharedPrefs(context)
+        val palette = resolvePalette(context, prefs.getString(KEY_THEME_MODE, "system"))
+        if (!prefs.getBoolean(KEY_LOGGED_IN, false)) {
+            return buildPlaceholder(
+                context,
+                packageName,
+                context.getString(R.string.widget_login_required),
+                palette,
+            )
+        }
+        val data = WidgetDataParser.parse(prefs.getString(KEY_WEEK_DATA, null))
+            ?: return buildPlaceholder(
+                context,
+                packageName,
+                context.getString(R.string.widget_loading),
+                palette,
+            )
+
+        val totalVirtualMin = data.periods.lastOrNull()?.virtualEndMinutes
+            ?: FALLBACK_VIRTUAL_MINUTES
+        val hourHeightDp = resolveHourHeight(options, WEEK_CHROME_DP, totalVirtualMin)
+
+        val views = RemoteViews(packageName, R.layout.widget_week)
+        applyChrome(views, palette, options)
+        views.setTextColor(R.id.widget_week_title, palette.textPrimary)
+        views.setTextColor(R.id.widget_week_subtitle, palette.textSecondary)
+        val cal = Calendar.getInstance().apply { time = data.anchorDate }
+        val weekNumber = cal.get(Calendar.WEEK_OF_YEAR)
+        val end = Calendar.getInstance().apply {
+            time = data.anchorDate
+            add(Calendar.DAY_OF_YEAR, 4)
+        }.time
+        val kwPrefix = context.getString(R.string.widget_calendar_week_prefix)
+        views.setTextViewText(
+            R.id.widget_week_title,
+            "$kwPrefix $weekNumber · ${dateShort.format(data.anchorDate)}–${dateShort.format(end)}",
+        )
+        views.setTextViewText(
+            R.id.widget_week_subtitle,
+            context.getString(R.string.widget_status_label, freshnessLabel(context, data.fetchedAt)),
+        )
+
+        val headerIds = listOf(
+            R.id.widget_week_header_mon,
+            R.id.widget_week_header_tue,
+            R.id.widget_week_header_wed,
+            R.id.widget_week_header_thu,
+            R.id.widget_week_header_fri,
+        )
+        val columnIds = listOf(
+            R.id.widget_week_col_mon,
+            R.id.widget_week_col_tue,
+            R.id.widget_week_col_wed,
+            R.id.widget_week_col_thu,
+            R.id.widget_week_col_fri,
+        )
+        views.removeAllViews(R.id.widget_week_time_labels)
+        populateGridLines(packageName, views, R.id.widget_week_time_labels, hourHeightDp, palette, data.periods)
+        populateTimeLabels(packageName, views, R.id.widget_week_time_labels, hourHeightDp, palette, data.periods)
+
+        val (weekWidthDp, _) = widgetSizeDp(options)
+        // Time-label column is 28dp wide; the rest is split across 5 days
+        // plus thin dividers (negligible). Drop room/teacher only on the
+        // very narrowest week widgets — autoSize handles the in-between
+        // sizes.
+        val dayColumnWidthDp = (weekWidthDp - 28f - 20f) / 5f
+        val subjectOnly = dayColumnWidthDp < WEEK_COLUMN_TIGHT_DP
+
+        for ((index, columnId) in columnIds.withIndex()) {
+            views.removeAllViews(headerIds[index])
+            views.removeAllViews(columnId)
+            val day = Calendar.getInstance().apply {
+                time = data.anchorDate
+                add(Calendar.DAY_OF_YEAR, index)
+            }.time
+            val header = RemoteViews(packageName, R.layout.widget_week_day_header)
+            header.setTextColor(R.id.widget_week_day_header_weekday, palette.textPrimary)
+            header.setTextColor(R.id.widget_week_day_header_date, palette.textSecondary)
+            header.setTextViewText(R.id.widget_week_day_header_weekday, weekdayShort.format(day))
+            header.setTextViewText(R.id.widget_week_day_header_date, dateShort.format(day))
+            views.addView(headerIds[index], header)
+
+            populateGridLines(packageName, views, columnId, hourHeightDp, palette, data.periods)
+            populateBreakBlocks(packageName, views, columnId, hourHeightDp, palette, data.periods)
+            for (lesson in data.lessons.filter { WidgetDateUtils.isSameDay(it.start, day) }) {
+                addLessonBlock(
+                    context = context,
+                    packageName = packageName,
+                    parent = views,
+                    containerId = columnId,
+                    lesson = lesson,
+                    hourHeightDp = hourHeightDp,
+                    periods = data.periods,
+                    subjectOnly = subjectOnly,
+                    horizontalPaddingDp = 3,
+                )
+            }
+            if (WidgetDateUtils.isSameDay(day, Date())) {
+                maybeAddNowIndicator(
+                    packageName,
+                    views,
+                    columnId,
+                    hourHeightDp,
+                    anchorDate = day,
+                    periods = data.periods,
+                )
+            }
+        }
+
+        views.setOnClickPendingIntent(R.id.widget_root, openAppIntent(context))
+        return views
+    }
+
+    /// Pulls the launcher-reported widget size out of the AppWidget options
+    /// bundle. The grid now spans `totalVirtualMin` minutes (lessons +
+    /// preserved big breaks), so we divide by that instead of a fixed hour
+    /// count to keep tiles readable across different timetables.
+    private fun resolveHourHeight(
+        options: Bundle?,
+        chromeDp: Int,
+        totalVirtualMin: Int,
+    ): Float {
+        val virtualHours = (totalVirtualMin / 60.0f).coerceAtLeast(1f)
+        val rawHeightDp = options?.let {
+            max(
+                it.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT, 0),
+                it.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT, 0),
+            )
+        } ?: 0
+        if (rawHeightDp <= 0) return 32f
+        val gridHeightDp = (rawHeightDp - chromeDp)
+            .coerceAtLeast((MIN_HOUR_HEIGHT_DP * virtualHours).toInt())
+        return (gridHeightDp.toFloat() / virtualHours)
+            .coerceIn(MIN_HOUR_HEIGHT_DP.toFloat(), MAX_HOUR_HEIGHT_DP.toFloat())
+    }
+
+    /// Real wall-clock minute → position on the virtual axis. Inside a
+    /// period: linear. In a gap: linear across the virtual gap (zero for
+    /// squeezed small breaks, real width for big breaks).
+    private fun realMinutesToVirtual(
+        realMin: Int,
+        periods: List<WidgetPeriod>,
+    ): Float {
+        if (periods.isEmpty()) return realMin.toFloat()
+        for (period in periods) {
+            if (realMin in period.startMinutes..period.endMinutes) {
+                return period.virtualStartMinutes + (realMin - period.startMinutes).toFloat()
+            }
+        }
+        val first = periods.first()
+        if (realMin < first.startMinutes) {
+            return (realMin - first.startMinutes + first.virtualStartMinutes).toFloat()
+        }
+        val last = periods.last()
+        if (realMin > last.endMinutes) {
+            return last.virtualEndMinutes + (realMin - last.endMinutes).toFloat()
+        }
+        var prev = first
+        for (i in 1 until periods.size) {
+            val curr = periods[i]
+            if (realMin in (prev.endMinutes + 1) until curr.startMinutes) {
+                val gap = curr.startMinutes - prev.endMinutes
+                val virtualGap = curr.virtualStartMinutes - prev.virtualEndMinutes
+                return if (gap > 0) {
+                    prev.virtualEndMinutes +
+                        (realMin - prev.endMinutes).toFloat() * virtualGap / gap
+                } else {
+                    curr.virtualStartMinutes.toFloat()
+                }
+            }
+            prev = curr
+        }
+        return 0f
+    }
+
+    /// Below this per-hour height the two-line label collapses to a single
+    /// period number — time + number overlap otherwise.
+    private const val TIME_LABEL_COMPACT_THRESHOLD_DP = 26f
+
+    private fun populateTimeLabels(
+        packageName: String,
+        parent: RemoteViews,
+        containerId: Int,
+        hourHeightDp: Float,
+        palette: WidgetPalette,
+        periods: List<WidgetPeriod>,
+    ) {
+        val compact = hourHeightDp < TIME_LABEL_COMPACT_THRESHOLD_DP
+        for (period in periods) {
+            val label = RemoteViews(packageName, R.layout.widget_time_label)
+            label.setTextViewText(R.id.widget_time_label_number, "${period.name}.")
+            label.setTextViewText(R.id.widget_time_label_time, formatHm(period.startMinutes))
+            if (compact) {
+                label.setViewVisibility(R.id.widget_time_label_time, View.GONE)
+                label.setTextViewTextSize(
+                    R.id.widget_time_label_number,
+                    TypedValue.COMPLEX_UNIT_SP,
+                    9f,
+                )
+                label.setTextColor(R.id.widget_time_label_number, palette.textPrimary)
+            } else {
+                label.setViewVisibility(R.id.widget_time_label_time, View.VISIBLE)
+                label.setTextViewTextSize(
+                    R.id.widget_time_label_number,
+                    TypedValue.COMPLEX_UNIT_SP,
+                    7f,
+                )
+                label.setTextColor(R.id.widget_time_label_number, palette.textSecondary)
+            }
+            label.setTextColor(R.id.widget_time_label_time, palette.textPrimary)
+            val topDp = period.virtualStartMinutes * hourHeightDp / 60.0f
+            label.setViewLayoutMargin(
+                R.id.widget_time_label_root,
+                RemoteViews.MARGIN_TOP,
+                topDp,
+                TypedValue.COMPLEX_UNIT_DIP,
+            )
+            parent.addView(containerId, label)
+        }
+    }
+
+    private fun populateGridLines(
+        packageName: String,
+        parent: RemoteViews,
+        containerId: Int,
+        hourHeightDp: Float,
+        palette: WidgetPalette,
+        periods: List<WidgetPeriod>,
+    ) {
+        // Lines at every period start + end, deduped by virtual minute so
+        // adjacent periods share a line and big-break boundaries get both
+        // upper and lower edges.
+        val drawn = mutableSetOf<Int>()
+        for (period in periods) {
+            for (virtualMin in listOf(period.virtualStartMinutes, period.virtualEndMinutes)) {
+                if (!drawn.add(virtualMin)) continue
+                val line = RemoteViews(packageName, R.layout.widget_grid_line)
+                line.setInt(R.id.widget_grid_line_root, "setBackgroundColor", palette.divider)
+                val topDp = virtualMin * hourHeightDp / 60.0f
+                line.setViewLayoutMargin(
+                    R.id.widget_grid_line_root,
+                    RemoteViews.MARGIN_TOP,
+                    topDp,
+                    TypedValue.COMPLEX_UNIT_DIP,
+                )
+                parent.addView(containerId, line)
+            }
+        }
+    }
+
+    /// Faint translucent block in any virtual gap between two periods —
+    /// only big breaks (Hofpause, Mittagspause) survive the mapper's
+    /// small-break collapse.
+    private fun populateBreakBlocks(
+        packageName: String,
+        parent: RemoteViews,
+        containerId: Int,
+        hourHeightDp: Float,
+        palette: WidgetPalette,
+        periods: List<WidgetPeriod>,
+    ) {
+        for (i in 0 until periods.size - 1) {
+            val curr = periods[i]
+            val next = periods[i + 1]
+            val virtualGap = next.virtualStartMinutes - curr.virtualEndMinutes
+            if (virtualGap <= 0) continue
+            val block = RemoteViews(packageName, R.layout.widget_break_block)
+            val topDp = curr.virtualEndMinutes * hourHeightDp / 60.0f
+            val heightDp = virtualGap * hourHeightDp / 60.0f
+            block.setViewLayoutMargin(
+                R.id.widget_break_block_root,
+                RemoteViews.MARGIN_TOP,
+                topDp,
+                TypedValue.COMPLEX_UNIT_DIP,
+            )
+            block.setViewLayoutHeight(
+                R.id.widget_break_block_root,
+                heightDp,
+                TypedValue.COMPLEX_UNIT_DIP,
+            )
+            block.setInt(
+                R.id.widget_break_block_root,
+                "setBackgroundColor",
+                palette.breakBlock,
+            )
+            parent.addView(containerId, block)
+        }
+    }
+
+    private fun formatHm(minutesSinceMidnight: Int): String {
+        val h = minutesSinceMidnight / 60
+        val m = minutesSinceMidnight % 60
+        return "%02d:%02d".format(h, m)
+    }
+
+    /// Overrides the chrome XML's `@color/widget_*` defaults when the user
+    /// pins a fixed light/dark theme, and resizes the watermark M to match
+    /// the current widget bounds.
+    private fun applyChrome(views: RemoteViews, palette: WidgetPalette, options: Bundle?) {
+        views.setInt(R.id.widget_root, "setBackgroundColor", palette.background)
+        views.setInt(R.id.widget_watermark, "setColorFilter", palette.textPrimary)
+        views.setFloat(R.id.widget_watermark, "setAlpha", palette.watermarkAlpha)
+
+        val (widthDp, heightDp) = widgetSizeDp(options)
+        // Sized to the longer edge so the M scales with widget resize.
+        // Negative end/bottom margin lets a sliver tuck behind the edge.
+        val markSize = (max(widthDp, heightDp) * 0.8f).coerceIn(160f, 400f)
+        val offsetEnd = -(markSize * 0.18f)
+        val offsetBottom = -(markSize * 0.18f)
+        views.setViewLayoutWidth(
+            R.id.widget_watermark,
+            markSize,
+            TypedValue.COMPLEX_UNIT_DIP,
+        )
+        views.setViewLayoutHeight(
+            R.id.widget_watermark,
+            markSize,
+            TypedValue.COMPLEX_UNIT_DIP,
+        )
+        views.setViewLayoutMargin(
+            R.id.widget_watermark,
+            RemoteViews.MARGIN_END,
+            offsetEnd,
+            TypedValue.COMPLEX_UNIT_DIP,
+        )
+        views.setViewLayoutMargin(
+            R.id.widget_watermark,
+            RemoteViews.MARGIN_BOTTOM,
+            offsetBottom,
+            TypedValue.COMPLEX_UNIT_DIP,
+        )
+    }
+
+    private fun widgetSizeDp(options: Bundle?): Pair<Int, Int> {
+        if (options == null) return Pair(220, 220)
+        val width = max(
+            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH, 0),
+            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH, 0),
+        ).coerceAtLeast(140)
+        val height = max(
+            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT, 0),
+            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT, 0),
+        ).coerceAtLeast(140)
+        return Pair(width, height)
+    }
+
+    private fun addLessonBlock(
+        context: Context,
+        packageName: String,
+        parent: RemoteViews,
+        containerId: Int,
+        lesson: WidgetLesson,
+        hourHeightDp: Float,
+        periods: List<WidgetPeriod>,
+        subjectOnly: Boolean,
+        horizontalPaddingDp: Int,
+    ) {
+        val cal = Calendar.getInstance()
+        cal.time = lesson.start
+        val startMinutes = cal.get(Calendar.HOUR_OF_DAY) * 60 + cal.get(Calendar.MINUTE)
+        cal.time = lesson.end
+        val endMinutes = cal.get(Calendar.HOUR_OF_DAY) * 60 + cal.get(Calendar.MINUTE)
+        val durationMinutes = (endMinutes - startMinutes).coerceAtLeast(15)
+
+        val virtualStart = realMinutesToVirtual(startMinutes, periods)
+        val virtualEnd = realMinutesToVirtual(startMinutes + durationMinutes, periods)
+        if (virtualEnd <= virtualStart) return
+
+        // Half the gap above + half below so the grid line under the tile
+        // stays visible.
+        val topDp = virtualStart * hourHeightDp / 60.0f + LESSON_GAP_DP / 2f
+        val heightDp = ((virtualEnd - virtualStart) * hourHeightDp / 60.0f - LESSON_GAP_DP)
+            .coerceAtLeast(MIN_BLOCK_HEIGHT_DP.toFloat())
+
+        val block = RemoteViews(packageName, R.layout.widget_lesson_block)
+        block.setViewLayoutMargin(
+            R.id.widget_lesson_block_root,
+            RemoteViews.MARGIN_TOP,
+            topDp,
+            TypedValue.COMPLEX_UNIT_DIP,
+        )
+        block.setViewLayoutHeight(
+            R.id.widget_lesson_block_root,
+            heightDp,
+            TypedValue.COMPLEX_UNIT_DIP,
+        )
+        block.setInt(
+            R.id.widget_lesson_block_root,
+            "setBackgroundResource",
+            statusDrawable(lesson),
+        )
+
+        val density = context.resources.displayMetrics.density
+        val padXPx = (horizontalPaddingDp * density).toInt()
+        val padYPx = (3 * density).toInt()
+        block.setViewPadding(
+            R.id.widget_lesson_block_root,
+            padXPx, padYPx, padXPx, padYPx,
+        )
+
+        block.setTextViewText(R.id.widget_lesson_subject, subjectLabel(lesson))
+
+        // Separate fixed-size badge so the +N hint stays readable when
+        // autoSize shrinks the subject on narrow tiles.
+        if (lesson.siblingCount > 0) {
+            block.setTextViewText(
+                R.id.widget_lesson_sibling_badge,
+                "+${lesson.siblingCount}",
+            )
+            block.setViewVisibility(R.id.widget_lesson_sibling_badge, View.VISIBLE)
+        } else {
+            block.setViewVisibility(R.id.widget_lesson_sibling_badge, View.GONE)
+        }
+
+        val room = roomLabel(lesson)
+        val teacher = teacherLabel(lesson)
+        val noSecondaryContent = room.isNullOrEmpty() && teacher.isNullOrEmpty()
+        val hideSecondary = subjectOnly ||
+            heightDp < BLOCK_SHOW_ROOM_MIN_DP ||
+            noSecondaryContent
+        block.setViewVisibility(
+            R.id.widget_lesson_secondary_stack,
+            if (hideSecondary) View.GONE else View.VISIBLE,
+        )
+        // Custom-events have no room/teacher → let the subject wrap to 2 lines
+        // so long titles don't autoshrink to nothing.
+        block.setInt(
+            R.id.widget_lesson_subject,
+            "setMaxLines",
+            if (noSecondaryContent) 2 else 1,
+        )
+        when {
+            hideSecondary -> {
+                applyOptionalText(block, R.id.widget_lesson_room, null)
+                applyOptionalText(block, R.id.widget_lesson_teacher, null)
+            }
+            heightDp < BLOCK_SHOW_TEACHER_SEPARATE_MIN_DP -> {
+                applyOptionalText(block, R.id.widget_lesson_room, room)
+                applyOptionalText(block, R.id.widget_lesson_teacher, null)
+            }
+            else -> {
+                applyOptionalText(block, R.id.widget_lesson_room, room)
+                applyOptionalText(block, R.id.widget_lesson_teacher, teacher)
+            }
+        }
+
+        parent.addView(containerId, block)
+    }
+
+    private fun applyOptionalText(views: RemoteViews, viewId: Int, text: String?) {
+        if (text.isNullOrEmpty()) {
+            views.setViewVisibility(viewId, View.GONE)
+        } else {
+            views.setTextViewText(viewId, text)
+            views.setViewVisibility(viewId, View.VISIBLE)
+        }
+    }
+
+    private fun maybeAddNowIndicator(
+        packageName: String,
+        parent: RemoteViews,
+        containerId: Int,
+        hourHeightDp: Float,
+        anchorDate: Date,
+        periods: List<WidgetPeriod>,
+    ) {
+        if (!WidgetDateUtils.isSameDay(anchorDate, Date())) return
+        val now = Calendar.getInstance()
+        val nowMinutes = now.get(Calendar.HOUR_OF_DAY) * 60 + now.get(Calendar.MINUTE)
+        if (periods.isNotEmpty()) {
+            if (nowMinutes < periods.first().startMinutes ||
+                nowMinutes > periods.last().endMinutes
+            ) return
+        }
+        val virtualNow = realMinutesToVirtual(nowMinutes, periods)
+        val topDp = virtualNow * hourHeightDp / 60.0f
+        val indicator = RemoteViews(packageName, R.layout.widget_now_indicator)
+        indicator.setViewLayoutMargin(
+            R.id.widget_now_indicator_root,
+            RemoteViews.MARGIN_TOP,
+            topDp,
+            TypedValue.COMPLEX_UNIT_DIP,
+        )
+        parent.addView(containerId, indicator)
+    }
+
+    /// Custom-events use the user-picked palette (orange/red/green/blue,
+    /// mirroring CustomTimetableColors).
+    private fun statusDrawable(lesson: WidgetLesson): Int {
+        if (lesson.status == WidgetLessonStatus.EVENT && lesson.customColor != null) {
+            return when (lesson.customColor) {
+                "orange" -> R.drawable.widget_lesson_block_event_orange
+                "red" -> R.drawable.widget_lesson_block_event_red
+                "green" -> R.drawable.widget_lesson_block_event_green
+                "blue" -> R.drawable.widget_lesson_block_event_blue
+                else -> R.drawable.widget_lesson_block_event_orange
+            }
+        }
+        return when (lesson.status) {
+            WidgetLessonStatus.CANCELLED -> R.drawable.widget_lesson_block_cancelled
+            WidgetLessonStatus.IRREGULAR -> R.drawable.widget_lesson_block_irregular
+            WidgetLessonStatus.TEACHER_CHANGED -> R.drawable.widget_lesson_block_teacher_changed
+            WidgetLessonStatus.PAST -> R.drawable.widget_lesson_block_past
+            WidgetLessonStatus.EVENT -> R.drawable.widget_lesson_block_event_orange
+            WidgetLessonStatus.ONGOING -> R.drawable.widget_lesson_block_ongoing
+            WidgetLessonStatus.REGULAR -> R.drawable.widget_lesson_block_regular
+        }
+    }
+
+    private fun subjectLabel(lesson: WidgetLesson): String {
+        return lesson.subjectShort.ifEmpty { lesson.subjectLong ?: "—" }
+    }
+
+    private fun roomLabel(lesson: WidgetLesson): String? = lesson.room
+
+    private fun teacherLabel(lesson: WidgetLesson): String? =
+        lesson.teacher ?: lesson.originalTeacher
+
+    private fun dayLabel(context: Context, anchor: Date): String {
+        val today = WidgetDateUtils.startOfDay(Date())
+        val tomorrow = Calendar.getInstance().apply {
+            time = today
+            add(Calendar.DAY_OF_YEAR, 1)
+        }.time
+        val anchorStart = WidgetDateUtils.startOfDay(anchor)
+        return when {
+            anchorStart == today -> context.getString(R.string.widget_today)
+            anchorStart == tomorrow -> context.getString(R.string.widget_tomorrow)
+            else -> SimpleDateFormat("EEEE", Locale.GERMAN).format(anchor)
+        }
+    }
+
+    private fun freshnessLabel(context: Context, fetchedAt: Date): String {
+        val today = WidgetDateUtils.startOfDay(Date())
+        val fetchedDay = WidgetDateUtils.startOfDay(fetchedAt)
+        val yesterday = Calendar.getInstance().apply {
+            time = today
+            add(Calendar.DAY_OF_YEAR, -1)
+        }.time
+        val yesterdayPrefix = context.getString(R.string.widget_yesterday_prefix)
+        return when (fetchedDay) {
+            today -> timeFormat.format(fetchedAt)
+            yesterday -> "$yesterdayPrefix ${timeFormat.format(fetchedAt)}"
+            else -> dateTimeShort.format(fetchedAt)
+        }
+    }
+
+    private fun buildPlaceholder(
+        context: Context,
+        packageName: String,
+        message: String,
+        palette: WidgetPalette,
+    ): RemoteViews {
+        val views = RemoteViews(packageName, R.layout.widget_placeholder)
+        applyChrome(views, palette, null)
+        views.setTextColor(R.id.widget_placeholder_title, palette.textPrimary)
+        views.setTextColor(R.id.widget_placeholder_message, palette.textSecondary)
+        views.setTextViewText(
+            R.id.widget_placeholder_title,
+            context.getString(R.string.widget_placeholder_title),
+        )
+        views.setTextViewText(R.id.widget_placeholder_message, message)
+        views.setOnClickPendingIntent(
+            R.id.widget_placeholder_message,
+            openAppIntent(context),
+        )
+        return views
+    }
+
+    private fun openAppIntent(context: Context): PendingIntent {
+        // ACTION_MAIN + LAUNCHER mirrors a launcher tap; the boolean extra
+        // is consumed by Dart via WidgetNavigation to route to the timetable.
+        val intent = Intent(context, MainActivity::class.java).apply {
+            flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_SINGLE_TOP
+            action = Intent.ACTION_MAIN
+            addCategory(Intent.CATEGORY_LAUNCHER)
+            putExtra("widget_open_timetable", true)
+        }
+        return PendingIntent.getActivity(
+            context,
+            0,
+            intent,
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE,
+        )
+    }
+
+    private fun sharedPrefs(context: Context): SharedPreferences {
+        return context.getSharedPreferences(
+            "HomeWidgetPreferences",
+            Context.MODE_PRIVATE,
+        )
+    }
+
+    const val KEY_DAY_DATA = "widget_data_day_v1"
+    const val KEY_WEEK_DATA = "widget_data_week_v1"
+    const val KEY_LOGGED_IN = "widget_data_logged_in_v1"
+    const val KEY_THEME_MODE = "widget_setting_theme_mode_v1"
+}

android/app/src/main/res/drawable/app_widget_background.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Plain rounded rectangle. We deliberately avoid ?attr/appWidgetRadius
+     because RemoteViews inflation does not resolve custom theme attributes
+     reliably across launchers. Hard-coded 20dp matches the system home-screen
+     radius closely on stock Android. -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="20dp" />
+    <solid android:color="@color/widget_background" />
+</shape>

android/app/src/main/res/drawable/marianum_m_watermark.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Direct port of /home/elias/Bilder/marianum_m_white.svg.
+  - viewport matches the source SVG (70mm × 82.2mm).
+  - Transforms recreate the SVG's three nested matrices: outer scale+offset,
+    inner translate, and a final scale+y-flip that pulls the path data into
+    the visible coordinate space.
+  - Tinted at runtime via setColorFilter so light/dark themes can share one
+    drawable.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="70dp"
+    android:height="82dp"
+    android:viewportWidth="70.000168"
+    android:viewportHeight="82.227348">
+
+    <group
+        android:scaleX="0.26458333"
+        android:scaleY="0.26458334"
+        android:translateX="107.44411"
+        android:translateY="-80.482198">
+        <group
+            android:translateX="-749.41293"
+            android:translateY="290.52252">
+            <group
+                android:scaleX="0.13333333"
+                android:scaleY="-0.13333333"
+                android:translateX="0"
+                android:translateY="632.14667">
+                <path
+                    android:fillColor="#FFFFFF"
+                    android:pathData="M 3499.67,4594.33 c -16.43,-106.19 -29.71,-199.97 -43.79,-293.49 86.83,-19 138.5,-27.61 223.38,-43.82 63.81,-12.18 175.24,-20.4 179.64,-83.23 6.46,-92.69 -124.69,-55.41 -188.38,-43.81 -84.33,15.36 -159.13,28.84 -232.2,43.81 -13.68,-60.72 -26.83,-118.68 -39.43,-179.61 -36.76,-178.32 -73.67,-368.16 -105.11,-551.97 18.09,25.66 30.84,42.72 43.8,65.7 66.7,118.26 140.39,245.04 227.76,354.83 33.49,42.05 76.86,94.81 118.31,113.91 98.42,45.36 166.68,-22.2 170.87,-118.28 3.68,-85.28 -23.09,-181.17 -35.08,-275.99 -12.4,-98.19 -22.89,-194.93 -35.03,-275.98 72.44,102.69 147.93,269.64 240.95,381.12 27.51,33 73.55,80.61 118.27,87.62 218.76,34.33 126.58,-312.17 127.05,-473.13 0.4,-144.9 44.01,-255.37 175.21,-271.59 43.02,-5.31 105.84,11.16 112.7,-26.34 8.67,-47.38 -78.15,-60.52 -125.84,-61.28 -291.34,-4.51 -322.06,262.33 -311.01,573.88 -19.85,-18.57 -35.71,-47.53 -52.57,-74.47 -97.59,-155.88 -203.95,-327.22 -297.92,-503.79 -25.93,-48.79 -53.68,-114.7 -135.8,-83.23 -17.27,6.63 -48.25,44.39 -52.56,56.96 -19.58,57.19 1.55,137.42 8.76,205.89 21.54,203.72 57.81,389.09 78.87,587.01 -26.3,0.51 -43.93,-30.07 -56.96,-48.2 -46.9,-65.27 -86.02,-140.76 -127.04,-214.64 -52.84,-95.15 -108.23,-192.84 -157.71,-293.52 -75.25,-153.09 -188.6,-501.89 -242.12,-678.81 -8.67,-28.67 -17.7,-58.08 -26.3,-87.64 -7.48,-25.72 -10.39,-57.68 -35.05,-74.46 -100.02,18.93 -89.71,104.89 -70.09,205.9 47.35,243.43 170.89,706.45 211.48,946.04 -72.97,-70.97 -153.99,-207.41 -289.14,-236.55 -136.47,-29.44 -217.95,47.68 -271.6,122.66 -17.14,23.96 -41.43,49.54 -26.29,78.84 83.96,35.51 113.37,-65.2 197.15,-74.47 22.65,-2.5 54.56,2.4 74.46,8.78 132.4,42.34 237.57,218.76 297.87,346.07 74.16,156.45 125.32,330.5 148.95,490.64 -65.71,11.4 -142.96,22.15 -219.25,36.52 -109.8,20.72 -158.81,10.75 -201.29,59.86 9.15,41.95 41.41,60.8 70.1,83.24 126.26,-16.84 252.45,-33.77 372.36,-56.97 20.43,89.25 51.98,218.51 74.45,311.05 40.53,26.02 88.88,-8.43 105.17,-35.06 z" />
+            </group>
+        </group>
+    </group>
+</vector>

android/app/src/main/res/drawable/widget_grid_line.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/widget_divider" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_cancelled.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape android:shape="rectangle">
+            <corners android:radius="6dp" />
+            <solid android:color="@color/widget_lesson_cancelled" />
+            <stroke android:width="1.5dp" android:color="#C8FF0000" />
+        </shape>
+    </item>
+    <item
+        android:left="3dp"
+        android:top="3dp"
+        android:right="3dp"
+        android:bottom="3dp"
+        android:drawable="@drawable/widget_lesson_cancelled_x" />
+</layer-list>

android/app/src/main/res/drawable/widget_lesson_block_event_blue.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="#FF2196F3" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_event_green.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="#FF4CAF50" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_event_orange.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="#FFEF6C00" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_event_red.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="#FF993333" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_irregular.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="@color/widget_lesson_irregular" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_ongoing.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="@color/widget_lesson_ongoing" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_past.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="@color/widget_lesson_past" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_regular.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="@color/widget_lesson_regular" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_block_teacher_changed.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="6dp" />
+    <solid android:color="@color/widget_lesson_teacher_changed" />
+</shape>

android/app/src/main/res/drawable/widget_lesson_cancelled_x.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="100dp"
+    android:height="100dp"
+    android:viewportWidth="100"
+    android:viewportHeight="100">
+    <path
+        android:strokeColor="#C8FF0000"
+        android:strokeWidth="5"
+        android:pathData="M0,0 L100,100 M100,0 L0,100" />
+</vector>

android/app/src/main/res/drawable/widget_now_indicator.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="#FFE53935" />
+</shape>

android/app/src/main/res/layout/widget_break_block.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/widget_break_block_root"
+    android:layout_width="match_parent"
+    android:layout_height="14dp"
+    android:layout_marginTop="0dp"
+    android:layout_marginStart="2dp"
+    android:layout_marginEnd="2dp" />

android/app/src/main/res/layout/widget_day.xml

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- FrameLayout root so the Marianum watermark can sit at bottom|end behind
+     the actual widget content without disturbing the LinearLayout flow. -->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/widget_root"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/app_widget_background">
+
+    <!-- Bottom-leading so the mark looks like it's peeking out of the lower
+         left corner. Width/height/start+bottom margins are overridden in the
+         renderer so the mark scales with the widget size. -->
+    <ImageView
+        android:id="@+id/widget_watermark"
+        android:layout_width="160dp"
+        android:layout_height="160dp"
+        android:layout_gravity="bottom|end"
+        android:scaleType="fitCenter"
+        android:importantForAccessibility="no"
+        android:contentDescription="@null"
+        android:alpha="0.025"
+        android:src="@drawable/marianum_m_watermark" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:padding="10dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="center_vertical">
+            <TextView
+                android:id="@+id/widget_day_title"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                android:textColor="@color/widget_text_primary"
+                android:singleLine="true"
+                android:ellipsize="end"
+                tools:text="Heute · 08.05." />
+            <TextView
+                android:id="@+id/widget_day_subtitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="10sp"
+                android:textColor="@color/widget_text_secondary"
+                tools:text="Stand: 14:32" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_marginTop="6dp"
+            android:orientation="horizontal">
+
+            <FrameLayout
+                android:id="@+id/widget_day_time_labels"
+                android:layout_width="32dp"
+                android:layout_height="match_parent" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_day_grid"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1" />
+        </LinearLayout>
+
+        <TextView
+            android:id="@+id/widget_day_empty"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:visibility="gone"
+            android:textSize="13sp"
+            android:textColor="@color/widget_text_secondary"
+            android:gravity="center"
+            android:padding="12dp"
+            tools:text="Keine Stunden" />
+    </LinearLayout>
+</FrameLayout>

android/app/src/main/res/layout/widget_day_preview.xml

@@ -0,0 +1,185 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/widget_background">
+
+    <ImageView
+        android:layout_width="160dp"
+        android:layout_height="160dp"
+        android:layout_gravity="bottom|end"
+        android:layout_marginEnd="-28dp"
+        android:layout_marginBottom="-28dp"
+        android:scaleType="fitCenter"
+        android:importantForAccessibility="no"
+        android:contentDescription="@null"
+        android:alpha="0.018"
+        android:src="@drawable/marianum_m_watermark" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:padding="10dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="center_vertical">
+            <TextView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                android:textColor="@color/widget_text_primary"
+                android:singleLine="true"
+                android:text="Heute · 06.05." />
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="10sp"
+                android:textColor="@color/widget_text_secondary"
+                android:text="Stand: 07:50" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:orientation="horizontal"
+            android:layout_marginTop="6dp">
+
+            <FrameLayout
+                android:layout_width="32dp"
+                android:layout_height="match_parent">
+
+                <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"
+                    android:orientation="vertical" android:gravity="end" android:paddingEnd="3dp"
+                    android:layout_marginTop="22dp">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@color/widget_text_primary" android:text="1." />
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="7sp" android:textColor="@color/widget_text_secondary" android:text="07:55" />
+                </LinearLayout>
+                <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"
+                    android:orientation="vertical" android:gravity="end" android:paddingEnd="3dp"
+                    android:layout_marginTop="50dp">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@color/widget_text_primary" android:text="2." />
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="7sp" android:textColor="@color/widget_text_secondary" android:text="08:40" />
+                </LinearLayout>
+                <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"
+                    android:orientation="vertical" android:gravity="end" android:paddingEnd="3dp"
+                    android:layout_marginTop="79dp">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@color/widget_text_primary" android:text="3." />
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="7sp" android:textColor="@color/widget_text_secondary" android:text="09:30" />
+                </LinearLayout>
+                <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"
+                    android:orientation="vertical" android:gravity="end" android:paddingEnd="3dp"
+                    android:layout_marginTop="115dp">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@color/widget_text_primary" android:text="4." />
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="7sp" android:textColor="@color/widget_text_secondary" android:text="10:35" />
+                </LinearLayout>
+                <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"
+                    android:orientation="vertical" android:gravity="end" android:paddingEnd="3dp"
+                    android:layout_marginTop="142dp">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@color/widget_text_primary" android:text="5." />
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="7sp" android:textColor="@color/widget_text_secondary" android:text="11:25" />
+                </LinearLayout>
+                <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"
+                    android:orientation="vertical" android:gravity="end" android:paddingEnd="3dp"
+                    android:layout_marginTop="169dp">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@color/widget_text_primary" android:text="6." />
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="7sp" android:textColor="@color/widget_text_secondary" android:text="12:15" />
+                </LinearLayout>
+            </FrameLayout>
+
+            <FrameLayout
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1">
+
+                <FrameLayout android:layout_width="match_parent" android:layout_height="1dp" android:layout_marginTop="29dp" android:background="@color/widget_divider" />
+                <FrameLayout android:layout_width="match_parent" android:layout_height="1dp" android:layout_marginTop="56dp" android:background="@color/widget_divider" />
+                <FrameLayout android:layout_width="match_parent" android:layout_height="1dp" android:layout_marginTop="83dp" android:background="@color/widget_divider" />
+                <FrameLayout android:layout_width="match_parent" android:layout_height="1dp" android:layout_marginTop="115dp" android:background="@color/widget_divider" />
+                <FrameLayout android:layout_width="match_parent" android:layout_height="1dp" android:layout_marginTop="143dp" android:background="@color/widget_divider" />
+                <FrameLayout android:layout_width="match_parent" android:layout_height="1dp" android:layout_marginTop="170dp" android:background="@color/widget_divider" />
+
+                <FrameLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="22dp"
+                    android:layout_marginTop="29dp"
+                    android:layout_marginStart="2dp"
+                    android:layout_marginEnd="2dp"
+                    android:padding="3dp"
+                    android:background="@drawable/widget_lesson_block_regular">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@android:color/white" android:text="MA-LK" />
+                </FrameLayout>
+
+                <FrameLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="55dp"
+                    android:layout_marginTop="83dp"
+                    android:layout_marginStart="2dp"
+                    android:layout_marginEnd="2dp"
+                    android:padding="3dp"
+                    android:background="@drawable/widget_lesson_block_regular">
+                    <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:orientation="vertical">
+                        <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                            android:textSize="11sp" android:textStyle="bold"
+                            android:textColor="@android:color/white" android:text="DE-GK" />
+                        <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                            android:textSize="9sp" android:textColor="#CCFFFFFF" android:text="B11" />
+                    </LinearLayout>
+                </FrameLayout>
+
+                <FrameLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="22dp"
+                    android:layout_marginTop="143dp"
+                    android:layout_marginStart="2dp"
+                    android:layout_marginEnd="2dp"
+                    android:padding="3dp"
+                    android:background="@drawable/widget_lesson_block_cancelled">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@android:color/white" android:text="BIO" />
+                </FrameLayout>
+
+                <FrameLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="22dp"
+                    android:layout_marginTop="170dp"
+                    android:layout_marginStart="2dp"
+                    android:layout_marginEnd="2dp"
+                    android:padding="3dp"
+                    android:background="@drawable/widget_lesson_block_teacher_changed">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+                        android:textSize="11sp" android:textStyle="bold"
+                        android:textColor="@android:color/white" android:text="GE" />
+                </FrameLayout>
+            </FrameLayout>
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>

android/app/src/main/res/layout/widget_grid_line.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/widget_grid_line_root"
+    android:layout_width="match_parent"
+    android:layout_height="1dp"
+    android:layout_marginTop="0dp"
+    android:background="@drawable/widget_grid_line" />

android/app/src/main/res/layout/widget_lesson_block.xml

@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/widget_lesson_block_root"
+    android:layout_width="match_parent"
+    android:layout_height="40dp"
+    android:layout_marginStart="2dp"
+    android:layout_marginEnd="2dp"
+    android:layout_marginTop="0dp"
+    android:paddingStart="7dp"
+    android:paddingEnd="7dp"
+    android:paddingTop="3dp"
+    android:paddingBottom="3dp"
+    android:background="@drawable/widget_lesson_block_regular">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:gravity="top"
+        android:baselineAligned="false">
+
+        <TextView
+            android:id="@+id/widget_lesson_subject"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:textStyle="bold"
+            android:textColor="@android:color/white"
+            android:maxLines="1"
+            android:ellipsize="end"
+            android:gravity="top|start"
+            android:includeFontPadding="false"
+            android:autoSizeTextType="uniform"
+            android:autoSizeMinTextSize="5sp"
+            android:autoSizeMaxTextSize="11sp"
+            android:autoSizeStepGranularity="1sp"
+            tools:text="MA-LK" />
+
+        <LinearLayout
+            android:id="@+id/widget_lesson_secondary_stack"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:gravity="top|end"
+            android:layout_marginStart="4dp">
+
+            <TextView
+                android:id="@+id/widget_lesson_room"
+                android:layout_width="wrap_content"
+                android:layout_height="12dp"
+                android:textColor="#CCFFFFFF"
+                android:maxLines="1"
+                android:ellipsize="end"
+                android:gravity="end|top"
+                android:includeFontPadding="false"
+                android:autoSizeTextType="uniform"
+                android:autoSizeMinTextSize="5sp"
+                android:autoSizeMaxTextSize="11sp"
+                android:autoSizeStepGranularity="1sp"
+                tools:text="A12" />
+
+            <TextView
+                android:id="@+id/widget_lesson_teacher"
+                android:layout_width="wrap_content"
+                android:layout_height="12dp"
+                android:textColor="#B3FFFFFF"
+                android:maxLines="1"
+                android:ellipsize="end"
+                android:gravity="end|top"
+                android:includeFontPadding="false"
+                android:autoSizeTextType="uniform"
+                android:autoSizeMinTextSize="5sp"
+                android:autoSizeMaxTextSize="11sp"
+                android:autoSizeStepGranularity="1sp"
+                tools:text="Müller" />
+        </LinearLayout>
+    </LinearLayout>
+
+    <TextView
+        android:id="@+id/widget_lesson_sibling_badge"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|start"
+        android:textStyle="bold"
+        android:textSize="12sp"
+        android:textColor="@android:color/white"
+        android:maxLines="1"
+        android:includeFontPadding="false"
+        android:visibility="gone"
+        tools:text="+1" />
+</FrameLayout>

android/app/src/main/res/layout/widget_now_indicator.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/widget_now_indicator_root"
+    android:layout_width="match_parent"
+    android:layout_height="2dp"
+    android:layout_marginTop="0dp"
+    android:background="@drawable/widget_now_indicator" />

android/app/src/main/res/layout/widget_placeholder.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/widget_root"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/app_widget_background">
+
+    <ImageView
+        android:id="@+id/widget_watermark"
+        android:layout_width="160dp"
+        android:layout_height="160dp"
+        android:layout_gravity="bottom|end"
+        android:scaleType="fitCenter"
+        android:importantForAccessibility="no"
+        android:contentDescription="@null"
+        android:alpha="0.025"
+        android:src="@drawable/marianum_m_watermark" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:gravity="center"
+        android:padding="16dp">
+
+        <TextView
+            android:id="@+id/widget_placeholder_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="14sp"
+            android:textStyle="bold"
+            android:textColor="@color/widget_text_primary"
+            tools:text="Marianum Vertretungsplan" />
+
+        <TextView
+            android:id="@+id/widget_placeholder_message"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:textSize="12sp"
+            android:layout_marginTop="6dp"
+            android:textColor="@color/widget_text_secondary"
+            tools:text="Bitte einloggen, um den Stundenplan zu laden" />
+    </LinearLayout>
+</FrameLayout>

android/app/src/main/res/layout/widget_time_label.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/widget_time_label_root"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="0dp"
+    android:orientation="vertical"
+    android:gravity="end"
+    android:paddingEnd="3dp">
+
+    <TextView
+        android:id="@+id/widget_time_label_time"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="9sp"
+        android:textColor="@color/widget_text_primary"
+        android:singleLine="true"
+        android:lineSpacingExtra="-2dp"
+        tools:text="07:55" />
+
+    <TextView
+        android:id="@+id/widget_time_label_number"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="7sp"
+        android:textColor="@color/widget_text_secondary"
+        android:singleLine="true"
+        android:lineSpacingExtra="-2dp"
+        tools:text="1." />
+</LinearLayout>

android/app/src/main/res/layout/widget_week.xml

@@ -0,0 +1,185 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/widget_root"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/app_widget_background">
+
+    <ImageView
+        android:id="@+id/widget_watermark"
+        android:layout_width="160dp"
+        android:layout_height="160dp"
+        android:layout_gravity="bottom|end"
+        android:scaleType="fitCenter"
+        android:importantForAccessibility="no"
+        android:contentDescription="@null"
+        android:alpha="0.025"
+        android:src="@drawable/marianum_m_watermark" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:padding="10dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="center_vertical">
+            <TextView
+                android:id="@+id/widget_week_title"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                android:textColor="@color/widget_text_primary"
+                android:singleLine="true"
+                android:ellipsize="end"
+                tools:text="KW 19 · 06.05.–10.05." />
+            <TextView
+                android:id="@+id/widget_week_subtitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="10sp"
+                android:textColor="@color/widget_text_secondary"
+                tools:text="Stand: 14:32" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginTop="6dp">
+
+            <FrameLayout
+                android:layout_width="28dp"
+                android:layout_height="wrap_content" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_header_mon"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_header_tue"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_header_wed"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_header_thu"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_header_fri"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_marginTop="2dp"
+            android:orientation="horizontal">
+
+            <FrameLayout
+                android:id="@+id/widget_week_time_labels"
+                android:layout_width="28dp"
+                android:layout_height="match_parent" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_col_mon"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_col_tue"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_col_wed"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_col_thu"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1" />
+
+            <FrameLayout
+                android:layout_width="1dp"
+                android:layout_height="match_parent"
+                android:background="@color/widget_divider" />
+
+            <FrameLayout
+                android:id="@+id/widget_week_col_fri"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1" />
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>

android/app/src/main/res/layout/widget_week_day_header.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/widget_week_day_header_root"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:paddingTop="2dp"
+    android:paddingBottom="3dp">
+
+    <TextView
+        android:id="@+id/widget_week_day_header_weekday"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="11sp"
+        android:textStyle="bold"
+        android:textColor="@color/widget_text_primary"
+        tools:text="Mo" />
+
+    <TextView
+        android:id="@+id/widget_week_day_header_date"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="9sp"
+        android:textColor="@color/widget_text_secondary"
+        tools:text="06.05." />
+</LinearLayout>

android/app/src/main/res/layout/widget_week_preview.xml

@@ -0,0 +1,147 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Static preview for the week widget. Five day columns with two short
+     demo blocks each so the structure is recognisable in the picker. -->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/widget_background">
+
+    <ImageView
+        android:layout_width="200dp"
+        android:layout_height="200dp"
+        android:layout_gravity="bottom|end"
+        android:layout_marginEnd="-36dp"
+        android:layout_marginBottom="-36dp"
+        android:scaleType="fitCenter"
+        android:importantForAccessibility="no"
+        android:contentDescription="@null"
+        android:alpha="0.018"
+        android:src="@drawable/marianum_m_watermark" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:padding="10dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="center_vertical">
+            <TextView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                android:textColor="@color/widget_text_primary"
+                android:singleLine="true"
+                android:text="KW 19 · 06.05.–10.05." />
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="10sp"
+                android:textColor="@color/widget_text_secondary"
+                android:text="Stand: 07:50" />
+        </LinearLayout>
+
+        <!-- Day-name + date row -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginTop="6dp">
+            <FrameLayout android:layout_width="20dp" android:layout_height="wrap_content" />
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+            <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" android:gravity="center">
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="11sp" android:textStyle="bold" android:textColor="@color/widget_text_primary" android:text="Mo" />
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textColor="@color/widget_text_secondary" android:text="06.05." />
+            </LinearLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+            <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" android:gravity="center">
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="11sp" android:textStyle="bold" android:textColor="@color/widget_text_primary" android:text="Di" />
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textColor="@color/widget_text_secondary" android:text="07.05." />
+            </LinearLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+            <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" android:gravity="center">
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="11sp" android:textStyle="bold" android:textColor="@color/widget_text_primary" android:text="Mi" />
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textColor="@color/widget_text_secondary" android:text="08.05." />
+            </LinearLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+            <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" android:gravity="center">
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="11sp" android:textStyle="bold" android:textColor="@color/widget_text_primary" android:text="Do" />
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textColor="@color/widget_text_secondary" android:text="09.05." />
+            </LinearLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+            <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" android:gravity="center">
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="11sp" android:textStyle="bold" android:textColor="@color/widget_text_primary" android:text="Fr" />
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textColor="@color/widget_text_secondary" android:text="10.05." />
+            </LinearLayout>
+        </LinearLayout>
+
+        <!-- Time grid: time-label column + 5 day columns -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:orientation="horizontal"
+            android:layout_marginTop="2dp">
+
+            <FrameLayout android:layout_width="20dp" android:layout_height="match_parent">
+                <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="0dp" android:gravity="end" android:paddingEnd="3dp" android:textSize="8sp" android:textColor="@color/widget_text_secondary" android:text="08" />
+                <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="36dp" android:gravity="end" android:paddingEnd="3dp" android:textSize="8sp" android:textColor="@color/widget_text_secondary" android:text="10" />
+                <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="72dp" android:gravity="end" android:paddingEnd="3dp" android:textSize="8sp" android:textColor="@color/widget_text_secondary" android:text="12" />
+            </FrameLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+
+            <!-- Mon -->
+            <FrameLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1">
+                <FrameLayout android:layout_width="match_parent" android:layout_height="14dp" android:layout_marginTop="2dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_regular">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="MA" />
+                </FrameLayout>
+                <FrameLayout android:layout_width="match_parent" android:layout_height="14dp" android:layout_marginTop="40dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_regular">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="EN" />
+                </FrameLayout>
+            </FrameLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+
+            <!-- Tue -->
+            <FrameLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1">
+                <FrameLayout android:layout_width="match_parent" android:layout_height="14dp" android:layout_marginTop="20dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_cancelled">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="BIO" />
+                </FrameLayout>
+                <FrameLayout android:layout_width="match_parent" android:layout_height="14dp" android:layout_marginTop="60dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_regular">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="DE" />
+                </FrameLayout>
+            </FrameLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+
+            <!-- Wed -->
+            <FrameLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1">
+                <FrameLayout android:layout_width="match_parent" android:layout_height="32dp" android:layout_marginTop="2dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_regular">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="MA" />
+                </FrameLayout>
+            </FrameLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+
+            <!-- Thu -->
+            <FrameLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1">
+                <FrameLayout android:layout_width="match_parent" android:layout_height="14dp" android:layout_marginTop="2dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_teacher_changed">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="GE" />
+                </FrameLayout>
+                <FrameLayout android:layout_width="match_parent" android:layout_height="14dp" android:layout_marginTop="40dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_regular">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="PH" />
+                </FrameLayout>
+            </FrameLayout>
+            <FrameLayout android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/widget_divider" />
+
+            <!-- Fri -->
+            <FrameLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1">
+                <FrameLayout android:layout_width="match_parent" android:layout_height="14dp" android:layout_marginTop="20dp" android:layout_marginStart="1dp" android:layout_marginEnd="1dp" android:padding="2dp" android:background="@drawable/widget_lesson_block_regular">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="9sp" android:textStyle="bold" android:textColor="@android:color/white" android:text="EN" />
+                </FrameLayout>
+            </FrameLayout>
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>

android/app/src/main/res/values-night/widget_colors.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="widget_background">#FF1F1716</color>
+    <color name="widget_text_primary">#FFF1F1F1</color>
+    <color name="widget_text_secondary">#FFB0B0B0</color>
+    <color name="widget_divider">#33FFFFFF</color>
+</resources>

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="widget_day_label">Marianum · Heute</string>
+    <string name="widget_week_label">Marianum · Woche</string>
+    <string name="widget_day_description">Stundenplan und Vertretungen für den anstehenden Schultag.</string>
+    <string name="widget_week_description">Stundenplan und Vertretungen für die ganze Schulwoche.</string>
+    <string name="widget_no_lessons">Keine Stunden</string>
+    <string name="widget_holiday">Ferien</string>
+    <string name="widget_login_required">Bitte einloggen, um den Stundenplan zu laden</string>
+    <string name="widget_loading">Lade…</string>
+    <string name="widget_status_label">Stand: %1$s</string>
+    <string name="widget_today">Heute</string>
+    <string name="widget_tomorrow">Morgen</string>
+    <string name="widget_placeholder_title">Marianum Stundenplan</string>
+    <string name="widget_calendar_week_prefix">KW</string>
+    <string name="widget_yesterday_prefix">gestern</string>
+</resources>

android/app/src/main/res/values/widget_colors.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Status colors mirror lib/view/pages/timetable/data/lesson_color.dart
+         exactly so widget tiles match the in-app calendar. -->
+    <color name="widget_lesson_regular">#FF993333</color>
+    <color name="widget_lesson_ongoing">#FFC83333</color>
+    <color name="widget_lesson_past">#FF993333</color>
+    <color name="widget_lesson_cancelled">#FF000000</color>
+    <color name="widget_lesson_irregular">#FF8F19B3</color>
+    <color name="widget_lesson_teacher_changed">#FF29639B</color>
+    <color name="widget_lesson_event">#FF2E7D32</color>
+
+    <color name="widget_background">#FFFCF7F5</color>
+    <color name="widget_text_primary">#FF111111</color>
+    <color name="widget_text_secondary">#FF555555</color>
+    <color name="widget_divider">#22000000</color>
+</resources>

android/app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Auto-Backup rules for Android 11 and below.
+     Excludes the home_widget plugin's SharedPreferences file
+     (HomeWidgetPreferences) so the cached timetable — which contains
+     teacher names, room numbers and personal custom events — is not
+     uploaded to the user's Google Drive. -->
+<full-backup-content>
+    <exclude domain="sharedpref" path="HomeWidgetPreferences.xml"/>
+</full-backup-content>

android/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Backup + device-transfer rules for Android 12+.
+     Excludes the home_widget plugin's SharedPreferences file
+     (HomeWidgetPreferences) so the cached timetable — which contains
+     teacher names, room numbers and personal custom events — is not
+     uploaded to the user's Google Drive or transferred to a new device.
+     The widget repopulates from a fresh Webuntis fetch after sign-in. -->
+<data-extraction-rules>
+    <cloud-backup>
+        <exclude domain="sharedpref" path="HomeWidgetPreferences.xml"/>
+    </cloud-backup>
+    <device-transfer>
+        <exclude domain="sharedpref" path="HomeWidgetPreferences.xml"/>
+    </device-transfer>
+</data-extraction-rules>

android/app/src/main/res/xml/timetable_day_widget_info.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:initialLayout="@layout/widget_placeholder"
+    android:minWidth="110dp"
+    android:minHeight="180dp"
+    android:targetCellWidth="2"
+    android:targetCellHeight="5"
+    android:resizeMode="horizontal|vertical"
+    android:widgetCategory="home_screen"
+    android:updatePeriodMillis="0"
+    android:description="@string/widget_day_description"
+    android:previewLayout="@layout/widget_day_preview" />

android/app/src/main/res/xml/timetable_week_widget_info.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:initialLayout="@layout/widget_placeholder"
+    android:minWidth="320dp"
+    android:minHeight="240dp"
+    android:targetCellWidth="5"
+    android:targetCellHeight="5"
+    android:resizeMode="horizontal|vertical"
+    android:widgetCategory="home_screen"
+    android:updatePeriodMillis="0"
+    android:description="@string/widget_week_description"
+    android:previewLayout="@layout/widget_week_preview" />

android/build.gradle

@@ -9,6 +9,29 @@ rootProject.buildDir = '../build'
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
+// Pin every Android subproject to JVM 17 so plugins that ship Kotlin sources
+// compiled with a higher target (e.g. receive_sharing_intent at 21) or stale
+// Java compatibility (e.g. home_widget at 1.8) don't break the build under
+// newer Gradle/Kotlin tooling. Registered before evaluationDependsOn so the
+// afterEvaluate fires at the right point in the lifecycle.
+subprojects { sub ->
+    sub.afterEvaluate {
+        if (sub.hasProperty('android')) {
+            sub.android {
+                compileOptions {
+                    sourceCompatibility = JavaVersion.VERSION_17
+                    targetCompatibility = JavaVersion.VERSION_17
+                }
+            }
+        }
+        sub.tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).configureEach {
+            kotlinOptions {
+                jvmTarget = '17'
+            }
+        }
+    }
+}
+
 subprojects {
     project.evaluationDependsOn(':app')
 }

android/gradle.properties

@@ -1,3 +1,6 @@
 org.gradle.jvmargs=-Xmx4G
 android.useAndroidX=true
 android.enableJetifier=true
+android.defaults.buildfeatures.buildconfig=true
+android.nonTransitiveRClass=false
+android.nonFinalResIds=false

android/gradle/gradle-daemon-jvm.properties

@@ -0,0 +1,2 @@
+#This file is generated by updateDaemonJvm
+toolchainVersion=21

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-all.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

android/settings.gradle

@@ -19,8 +19,10 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "7.3.0" apply false
-    id "org.jetbrains.kotlin.android" version "1.7.10" apply false
+    id "com.android.application" version '8.13.2' apply false
+    id "com.android.library" version '8.13.2' apply false
+    id "org.jetbrains.kotlin.android" version "2.1.10" apply false
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.10.0'
 }
 
 include ":app"

assets/ca/lets-encrypt-r10.pem

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+KPpdzvvtTnOPlC7SQZSYmdunr3Bf9b77AiC/ZidstK36dRILKz7OA54=
+-----END CERTIFICATE-----

assets/ca/lets-encrypt-r13.pem

@@ -0,0 +1,29 @@
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+NK2LSc9lybKxB73I2+P2G3CaWpvvpAiHCVu30jW8GCxKdfhsXtnIy2imskQqVZ2m
+0Pmxobb28Tucr7xBK7CtwvPrb79os7u2XP3O5f9b/H66GNyRrglRXlrYjI1oGYL/
+f4I1n/Sgusda6WvA6C190kxjU15Y12mHU4+BxyR9cx2hhGS9fAjMZKJss28qxvz6
+Axu4CaDmRNZpK/pQrXF17yXCXkmEWgvSOEZy6Z9pcbLIVEGckV/iVeq0AOo2pkg9
+p4QRIy0tK2diRENLSF2KysFwbY6B26BFeFs3v1sYVRhFW9nLkOrQVporCS0KyZmf
+wVD89qSTlnctLcZnIavjKsKUu1nA1iU0yYMdYepKR7lWbnwhdx3ewok=
+-----END CERTIFICATE-----

assets/img/marianum_m_white.svg

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="70.000168mm"
+   height="82.227348mm"
+   viewBox="0 0 70.000168 82.227348"
+   version="1.1"
+   id="svg1"
+   xml:space="preserve"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+     id="defs1" /><g
+     id="g1"
+     transform="matrix(0.26458333,0,0,0.26458334,107.44411,-80.482198)"><g
+       id="group-R5"
+       transform="translate(-749.41293,290.52252)"><path
+         id="path3"
+         d="m 3499.67,4594.33 c -16.43,-106.19 -29.71,-199.97 -43.79,-293.49 86.83,-19 138.5,-27.61 223.38,-43.82 63.81,-12.18 175.24,-20.4 179.64,-83.23 6.46,-92.69 -124.69,-55.41 -188.38,-43.81 -84.33,15.36 -159.13,28.84 -232.2,43.81 -13.68,-60.72 -26.83,-118.68 -39.43,-179.61 -36.76,-178.32 -73.67,-368.16 -105.11,-551.97 18.09,25.66 30.84,42.72 43.8,65.7 66.7,118.26 140.39,245.04 227.76,354.83 33.49,42.05 76.86,94.81 118.31,113.91 98.42,45.36 166.68,-22.2 170.87,-118.28 3.68,-85.28 -23.09,-181.17 -35.08,-275.99 -12.4,-98.19 -22.89,-194.93 -35.03,-275.98 72.44,102.69 147.93,269.64 240.95,381.12 27.51,33 73.55,80.61 118.27,87.62 218.76,34.33 126.58,-312.17 127.05,-473.13 0.4,-144.9 44.01,-255.37 175.21,-271.59 43.02,-5.31 105.84,11.16 112.7,-26.34 8.67,-47.38 -78.15,-60.52 -125.84,-61.28 -291.34,-4.51 -322.06,262.33 -311.01,573.88 -19.85,-18.57 -35.71,-47.53 -52.57,-74.47 -97.59,-155.88 -203.95,-327.22 -297.92,-503.79 -25.93,-48.79 -53.68,-114.7 -135.8,-83.23 -17.27,6.63 -48.25,44.39 -52.56,56.96 -19.58,57.19 1.55,137.42 8.76,205.89 21.54,203.72 57.81,389.09 78.87,587.01 -26.3,0.51 -43.93,-30.07 -56.96,-48.2 -46.9,-65.27 -86.02,-140.76 -127.04,-214.64 -52.84,-95.15 -108.23,-192.84 -157.71,-293.52 -75.25,-153.09 -188.6,-501.89 -242.12,-678.81 -8.67,-28.67 -17.7,-58.08 -26.3,-87.64 -7.48,-25.72 -10.39,-57.68 -35.05,-74.46 -100.02,18.93 -89.71,104.89 -70.09,205.9 47.35,243.43 170.89,706.45 211.48,946.04 -72.97,-70.97 -153.99,-207.41 -289.14,-236.55 -136.47,-29.44 -217.95,47.68 -271.6,122.66 -17.14,23.96 -41.43,49.54 -26.29,78.84 83.96,35.51 113.37,-65.2 197.15,-74.47 22.65,-2.5 54.56,2.4 74.46,8.78 132.4,42.34 237.57,218.76 297.87,346.07 74.16,156.45 125.32,330.5 148.95,490.64 -65.71,11.4 -142.96,22.15 -219.25,36.52 -109.8,20.72 -158.81,10.75 -201.29,59.86 9.15,41.95 41.41,60.8 70.1,83.24 126.26,-16.84 252.45,-33.77 372.36,-56.97 20.43,89.25 51.98,218.51 74.45,311.05 40.53,26.02 88.88,-8.43 105.17,-35.06"
+         style="fill:#d3d2d2;fill-opacity:1;fill-rule:evenodd;stroke:none"
+         transform="matrix(0.13333333,0,0,-0.13333333,0,632.14667)" /></g></g></svg>

build.yaml

@@ -0,0 +1,7 @@
+targets:
+  $default:
+    builders:
+      json_serializable:
+        options:
+          explicit_to_json: false
+          generic_argument_factories: true

devtools_options.yaml

@@ -1 +1,4 @@
 extensions:
+  - hive_ce: true
+  - shared_preferences: true
+  - provider: true

flutter_launcher_icons.yaml

@@ -0,0 +1,9 @@
+flutter_launcher_icons:
+  android: true
+  ios: true
+  remove_alpha_ios: true
+  image_path_android: "assets/logo/icon/ic_launcher.png"
+  image_path_ios: "assets/logo/icon/1024.png"
+  adaptive_icon_background: "assets/logo/icon/ic_launcher_adaptive_back.png" # only available for Android 8.0 devices and above
+  adaptive_icon_foreground: "assets/logo/icon/ic_launcher_adaptive_fore.png" # only available for Android 8.0 devices and above
+  min_sdk_android: 16 # android min sdk min:16, default 21

flutter_native_splash.yaml

@@ -54,7 +54,7 @@ flutter_native_splash:
     # 640 pixels in diameter.
     # App icon without an icon background: This should be 1152×1152 pixels, and fit within a circle
     # 768 pixels in diameter.
-    image: assets/logo/icon-android12.png
+    image: assets/logo/icon/icon-android12.png
 
     # Splash screen background color.
     color: "#993333"

ios/Flutter/AppFrameworkInfo.plist

@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>11.0</string>
+  <string>13.0</string>
 </dict>
 </plist>

ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-platform :ios, '11.0'
+platform :ios, '15.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -31,7 +31,13 @@ target 'Runner' do
   use_frameworks!
   use_modular_headers!
 
+  pod 'PhoneNumberKit', '~> 3.7.6'
+
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+
+  target 'Share Extension' do
+    inherit! :search_paths
+  end
 #  target 'RunnerTests' do
 #    inherit! :search_paths
 #  end

ios/Podfile.lock

@@ -1,185 +1,190 @@
 PODS:
-  - better_open_file (0.0.1):
+  - connectivity_plus (0.0.1):
     - Flutter
   - device_info_plus (0.0.1):
     - Flutter
-  - DKImagePickerController/Core (4.3.4):
+  - DKImagePickerController/Core (4.3.9):
     - DKImagePickerController/ImageDataManager
     - DKImagePickerController/Resource
-  - DKImagePickerController/ImageDataManager (4.3.4)
-  - DKImagePickerController/PhotoGallery (4.3.4):
+  - DKImagePickerController/ImageDataManager (4.3.9)
+  - DKImagePickerController/PhotoGallery (4.3.9):
     - DKImagePickerController/Core
     - DKPhotoGallery
-  - DKImagePickerController/Resource (4.3.4)
-  - DKPhotoGallery (0.0.17):
-    - DKPhotoGallery/Core (= 0.0.17)
-    - DKPhotoGallery/Model (= 0.0.17)
-    - DKPhotoGallery/Preview (= 0.0.17)
-    - DKPhotoGallery/Resource (= 0.0.17)
+  - DKImagePickerController/Resource (4.3.9)
+  - DKPhotoGallery (0.0.19):
+    - DKPhotoGallery/Core (= 0.0.19)
+    - DKPhotoGallery/Model (= 0.0.19)
+    - DKPhotoGallery/Preview (= 0.0.19)
+    - DKPhotoGallery/Resource (= 0.0.19)
     - SDWebImage
     - SwiftyGif
-  - DKPhotoGallery/Core (0.0.17):
+  - DKPhotoGallery/Core (0.0.19):
     - DKPhotoGallery/Model
     - DKPhotoGallery/Preview
     - SDWebImage
     - SwiftyGif
-  - DKPhotoGallery/Model (0.0.17):
+  - DKPhotoGallery/Model (0.0.19):
     - SDWebImage
     - SwiftyGif
-  - DKPhotoGallery/Preview (0.0.17):
+  - DKPhotoGallery/Preview (0.0.19):
     - DKPhotoGallery/Model
     - DKPhotoGallery/Resource
     - SDWebImage
     - SwiftyGif
-  - DKPhotoGallery/Resource (0.0.17):
+  - DKPhotoGallery/Resource (0.0.19):
     - SDWebImage
     - SwiftyGif
-  - fast_rsa (0.6.0):
+  - emoji_picker_flutter (0.0.1):
+    - Flutter
+  - fast_rsa (0.7.0):
     - Flutter
   - file_picker (0.0.1):
     - DKImagePickerController/PhotoGallery
     - Flutter
-  - Firebase/CoreOnly (10.12.0):
-    - FirebaseCore (= 10.12.0)
-  - Firebase/InAppMessaging (10.12.0):
+  - Firebase/CoreOnly (12.4.0):
+    - FirebaseCore (~> 12.4.0)
+  - Firebase/InAppMessaging (12.4.0):
     - Firebase/CoreOnly
-    - FirebaseInAppMessaging (~> 10.12.0-beta)
-  - Firebase/Messaging (10.12.0):
+    - FirebaseInAppMessaging (~> 12.4.0-beta)
+  - Firebase/Messaging (12.4.0):
     - Firebase/CoreOnly
-    - FirebaseMessaging (~> 10.12.0)
-  - firebase_core (2.15.1):
-    - Firebase/CoreOnly (= 10.12.0)
+    - FirebaseMessaging (~> 12.4.0)
+  - firebase_core (4.2.1):
+    - Firebase/CoreOnly (= 12.4.0)
     - Flutter
-  - firebase_in_app_messaging (0.7.3-5):
-    - Firebase/InAppMessaging (= 10.12.0)
+  - firebase_in_app_messaging (0.9.0-4):
+    - Firebase/InAppMessaging (= 12.4.0)
     - firebase_core
     - Flutter
-  - firebase_messaging (14.6.6):
-    - Firebase/Messaging (= 10.12.0)
+  - firebase_messaging (16.0.4):
+    - Firebase/Messaging (= 12.4.0)
     - firebase_core
     - Flutter
-  - FirebaseABTesting (10.13.0):
-    - FirebaseCore (~> 10.0)
-  - FirebaseCore (10.12.0):
-    - FirebaseCoreInternal (~> 10.0)
-    - GoogleUtilities/Environment (~> 7.8)
-    - GoogleUtilities/Logger (~> 7.8)
-  - FirebaseCoreInternal (10.13.0):
-    - "GoogleUtilities/NSData+zlib (~> 7.8)"
-  - FirebaseInAppMessaging (10.12.0-beta):
-    - FirebaseABTesting (~> 10.0)
-    - FirebaseCore (~> 10.0)
-    - FirebaseInstallations (~> 10.0)
-    - GoogleUtilities/Environment (~> 7.8)
-    - nanopb (< 2.30910.0, >= 2.30908.0)
-  - FirebaseInstallations (10.13.0):
-    - FirebaseCore (~> 10.0)
-    - GoogleUtilities/Environment (~> 7.8)
-    - GoogleUtilities/UserDefaults (~> 7.8)
-    - PromisesObjC (~> 2.1)
-  - FirebaseMessaging (10.12.0):
-    - FirebaseCore (~> 10.0)
-    - FirebaseInstallations (~> 10.0)
-    - GoogleDataTransport (~> 9.2)
-    - GoogleUtilities/AppDelegateSwizzler (~> 7.8)
-    - GoogleUtilities/Environment (~> 7.8)
-    - GoogleUtilities/Reachability (~> 7.8)
-    - GoogleUtilities/UserDefaults (~> 7.8)
-    - nanopb (< 2.30910.0, >= 2.30908.0)
+  - FirebaseABTesting (12.4.0):
+    - FirebaseCore (~> 12.4.0)
+  - FirebaseCore (12.4.0):
+    - FirebaseCoreInternal (~> 12.4.0)
+    - GoogleUtilities/Environment (~> 8.1)
+    - GoogleUtilities/Logger (~> 8.1)
+  - FirebaseCoreInternal (12.4.0):
+    - "GoogleUtilities/NSData+zlib (~> 8.1)"
+  - FirebaseInAppMessaging (12.4.0-beta):
+    - FirebaseABTesting (~> 12.4.0)
+    - FirebaseCore (~> 12.4.0)
+    - FirebaseInstallations (~> 12.4.0)
+    - GoogleUtilities/Environment (~> 8.1)
+    - GoogleUtilities/UserDefaults (~> 8.1)
+    - nanopb (~> 3.30910.0)
+  - FirebaseInstallations (12.4.0):
+    - FirebaseCore (~> 12.4.0)
+    - GoogleUtilities/Environment (~> 8.1)
+    - GoogleUtilities/UserDefaults (~> 8.1)
+    - PromisesObjC (~> 2.4)
+  - FirebaseMessaging (12.4.0):
+    - FirebaseCore (~> 12.4.0)
+    - FirebaseInstallations (~> 12.4.0)
+    - GoogleDataTransport (~> 10.1)
+    - GoogleUtilities/AppDelegateSwizzler (~> 8.1)
+    - GoogleUtilities/Environment (~> 8.1)
+    - GoogleUtilities/Reachability (~> 8.1)
+    - GoogleUtilities/UserDefaults (~> 8.1)
+    - nanopb (~> 3.30910.0)
   - Flutter (1.0.0)
-  - flutter_app_badger (1.3.0):
+  - flutter_app_badge (2.0.0):
     - Flutter
   - flutter_local_notifications (0.0.1):
     - Flutter
-  - flutter_native_splash (0.0.1):
+  - flutter_native_splash (2.4.3):
     - Flutter
-  - fluttertoast (0.0.2):
-    - Flutter
-    - Toast
-  - FMDB (2.7.5):
-    - FMDB/standard (= 2.7.5)
-  - FMDB/standard (2.7.5)
-  - GoogleDataTransport (9.2.5):
-    - GoogleUtilities/Environment (~> 7.7)
-    - nanopb (< 2.30910.0, >= 2.30908.0)
-    - PromisesObjC (< 3.0, >= 1.2)
-  - GoogleUtilities/AppDelegateSwizzler (7.11.5):
+  - GoogleDataTransport (10.1.0):
+    - nanopb (~> 3.30910.0)
+    - PromisesObjC (~> 2.4)
+  - GoogleUtilities/AppDelegateSwizzler (8.1.0):
     - GoogleUtilities/Environment
     - GoogleUtilities/Logger
     - GoogleUtilities/Network
-  - GoogleUtilities/Environment (7.11.5):
-    - PromisesObjC (< 3.0, >= 1.2)
-  - GoogleUtilities/Logger (7.11.5):
+    - GoogleUtilities/Privacy
+  - GoogleUtilities/Environment (8.1.0):
+    - GoogleUtilities/Privacy
+  - GoogleUtilities/Logger (8.1.0):
     - GoogleUtilities/Environment
-  - GoogleUtilities/Network (7.11.5):
+    - GoogleUtilities/Privacy
+  - GoogleUtilities/Network (8.1.0):
     - GoogleUtilities/Logger
     - "GoogleUtilities/NSData+zlib"
+    - GoogleUtilities/Privacy
     - GoogleUtilities/Reachability
-  - "GoogleUtilities/NSData+zlib (7.11.5)"
-  - GoogleUtilities/Reachability (7.11.5):
+  - "GoogleUtilities/NSData+zlib (8.1.0)":
+    - GoogleUtilities/Privacy
+  - GoogleUtilities/Privacy (8.1.0)
+  - GoogleUtilities/Reachability (8.1.0):
     - GoogleUtilities/Logger
-  - GoogleUtilities/UserDefaults (7.11.5):
+    - GoogleUtilities/Privacy
+  - GoogleUtilities/UserDefaults (8.1.0):
     - GoogleUtilities/Logger
+    - GoogleUtilities/Privacy
   - image_picker_ios (0.0.1):
     - Flutter
-  - libphonenumber_plugin (0.0.1):
+  - in_app_review (2.0.0):
     - Flutter
-    - PhoneNumberKit
-  - nanopb (2.30909.0):
-    - nanopb/decode (= 2.30909.0)
-    - nanopb/encode (= 2.30909.0)
-  - nanopb/decode (2.30909.0)
-  - nanopb/encode (2.30909.0)
-  - package_info (0.0.1):
+  - nanopb (3.30910.0):
+    - nanopb/decode (= 3.30910.0)
+    - nanopb/encode (= 3.30910.0)
+  - nanopb/decode (3.30910.0)
+  - nanopb/encode (3.30910.0)
+  - open_filex (0.0.2):
+    - Flutter
+  - package_info_plus (0.4.5):
     - Flutter
   - path_provider_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
-  - PhoneNumberKit (3.6.7):
-    - PhoneNumberKit/PhoneNumberKitCore (= 3.6.7)
-    - PhoneNumberKit/UIKit (= 3.6.7)
-  - PhoneNumberKit/PhoneNumberKitCore (3.6.7)
-  - PhoneNumberKit/UIKit (3.6.7):
+  - PhoneNumberKit (3.7.11):
+    - PhoneNumberKit/PhoneNumberKitCore (= 3.7.11)
+    - PhoneNumberKit/UIKit (= 3.7.11)
+  - PhoneNumberKit/PhoneNumberKitCore (3.7.11)
+  - PhoneNumberKit/UIKit (3.7.11):
     - PhoneNumberKit/PhoneNumberKitCore
-  - PromisesObjC (2.3.1)
-  - SDWebImage (5.17.0):
-    - SDWebImage/Core (= 5.17.0)
-  - SDWebImage/Core (5.17.0)
+  - PromisesObjC (2.4.0)
+  - SDWebImage (5.21.2):
+    - SDWebImage/Core (= 5.21.2)
+  - SDWebImage/Core (5.21.2)
   - share_plus (0.0.1):
     - Flutter
   - shared_preferences_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
-  - sqflite (0.0.3):
+  - sqflite_darwin (0.0.4):
     - Flutter
-    - FMDB (>= 2.7.5)
-  - SwiftyGif (5.4.4)
+    - FlutterMacOS
+  - SwiftyGif (5.4.5)
   - syncfusion_flutter_pdfviewer (0.0.1):
     - Flutter
-  - Toast (4.0.0)
   - url_launcher_ios (0.0.1):
     - Flutter
 
 DEPENDENCIES:
-  - better_open_file (from `.symlinks/plugins/better_open_file/ios`)
+  - connectivity_plus (from `.symlinks/plugins/connectivity_plus/ios`)
   - device_info_plus (from `.symlinks/plugins/device_info_plus/ios`)
+  - emoji_picker_flutter (from `.symlinks/plugins/emoji_picker_flutter/ios`)
   - fast_rsa (from `.symlinks/plugins/fast_rsa/ios`)
   - file_picker (from `.symlinks/plugins/file_picker/ios`)
   - firebase_core (from `.symlinks/plugins/firebase_core/ios`)
   - firebase_in_app_messaging (from `.symlinks/plugins/firebase_in_app_messaging/ios`)
   - firebase_messaging (from `.symlinks/plugins/firebase_messaging/ios`)
   - Flutter (from `Flutter`)
-  - flutter_app_badger (from `.symlinks/plugins/flutter_app_badger/ios`)
+  - flutter_app_badge (from `.symlinks/plugins/flutter_app_badge/ios`)
   - flutter_local_notifications (from `.symlinks/plugins/flutter_local_notifications/ios`)
   - flutter_native_splash (from `.symlinks/plugins/flutter_native_splash/ios`)
-  - fluttertoast (from `.symlinks/plugins/fluttertoast/ios`)
   - image_picker_ios (from `.symlinks/plugins/image_picker_ios/ios`)
-  - libphonenumber_plugin (from `.symlinks/plugins/libphonenumber_plugin/ios`)
-  - package_info (from `.symlinks/plugins/package_info/ios`)
+  - in_app_review (from `.symlinks/plugins/in_app_review/ios`)
+  - open_filex (from `.symlinks/plugins/open_filex/ios`)
+  - package_info_plus (from `.symlinks/plugins/package_info_plus/ios`)
   - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
+  - PhoneNumberKit (~> 3.7.6)
   - share_plus (from `.symlinks/plugins/share_plus/ios`)
   - shared_preferences_foundation (from `.symlinks/plugins/shared_preferences_foundation/darwin`)
-  - sqflite (from `.symlinks/plugins/sqflite/ios`)
+  - sqflite_darwin (from `.symlinks/plugins/sqflite_darwin/darwin`)
   - syncfusion_flutter_pdfviewer (from `.symlinks/plugins/syncfusion_flutter_pdfviewer/ios`)
   - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
 
@@ -194,7 +199,6 @@ SPEC REPOS:
     - FirebaseInAppMessaging
     - FirebaseInstallations
     - FirebaseMessaging
-    - FMDB
     - GoogleDataTransport
     - GoogleUtilities
     - nanopb
@@ -202,13 +206,14 @@ SPEC REPOS:
     - PromisesObjC
     - SDWebImage
     - SwiftyGif
-    - Toast
 
 EXTERNAL SOURCES:
-  better_open_file:
-    :path: ".symlinks/plugins/better_open_file/ios"
+  connectivity_plus:
+    :path: ".symlinks/plugins/connectivity_plus/ios"
   device_info_plus:
     :path: ".symlinks/plugins/device_info_plus/ios"
+  emoji_picker_flutter:
+    :path: ".symlinks/plugins/emoji_picker_flutter/ios"
   fast_rsa:
     :path: ".symlinks/plugins/fast_rsa/ios"
   file_picker:
@@ -221,74 +226,73 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/firebase_messaging/ios"
   Flutter:
     :path: Flutter
-  flutter_app_badger:
-    :path: ".symlinks/plugins/flutter_app_badger/ios"
+  flutter_app_badge:
+    :path: ".symlinks/plugins/flutter_app_badge/ios"
   flutter_local_notifications:
     :path: ".symlinks/plugins/flutter_local_notifications/ios"
   flutter_native_splash:
     :path: ".symlinks/plugins/flutter_native_splash/ios"
-  fluttertoast:
-    :path: ".symlinks/plugins/fluttertoast/ios"
   image_picker_ios:
     :path: ".symlinks/plugins/image_picker_ios/ios"
-  libphonenumber_plugin:
-    :path: ".symlinks/plugins/libphonenumber_plugin/ios"
-  package_info:
-    :path: ".symlinks/plugins/package_info/ios"
+  in_app_review:
+    :path: ".symlinks/plugins/in_app_review/ios"
+  open_filex:
+    :path: ".symlinks/plugins/open_filex/ios"
+  package_info_plus:
+    :path: ".symlinks/plugins/package_info_plus/ios"
   path_provider_foundation:
     :path: ".symlinks/plugins/path_provider_foundation/darwin"
   share_plus:
     :path: ".symlinks/plugins/share_plus/ios"
   shared_preferences_foundation:
     :path: ".symlinks/plugins/shared_preferences_foundation/darwin"
-  sqflite:
-    :path: ".symlinks/plugins/sqflite/ios"
+  sqflite_darwin:
+    :path: ".symlinks/plugins/sqflite_darwin/darwin"
   syncfusion_flutter_pdfviewer:
     :path: ".symlinks/plugins/syncfusion_flutter_pdfviewer/ios"
   url_launcher_ios:
     :path: ".symlinks/plugins/url_launcher_ios/ios"
 
 SPEC CHECKSUMS:
-  better_open_file: 03cf320415d4d3f46b6e00adc4a567d76c1a399d
-  device_info_plus: 7545d84d8d1b896cb16a4ff98c19f07ec4b298ea
-  DKImagePickerController: b512c28220a2b8ac7419f21c491fc8534b7601ac
-  DKPhotoGallery: fdfad5125a9fdda9cc57df834d49df790dbb4179
-  fast_rsa: f696740d492d562e76f17b0a81dfc8ec3e635374
-  file_picker: ce3938a0df3cc1ef404671531facef740d03f920
-  Firebase: 07150e75d142fb9399f6777fa56a187b17f833a0
-  firebase_core: 4a3246a02f828a01c74a2c26427037786d90f17f
-  firebase_in_app_messaging: aebdbc10109a0ce44a3294f4ea57ed89ebe1d8bd
-  firebase_messaging: 13b378c8449cae7ec96c79570170943dd73d4738
-  FirebaseABTesting: 86ac5a4fc749088bb4d55a1cbfb2c4cb42c6d5de
-  FirebaseCore: f86a1394906b97ac445ae49c92552a9425831bed
-  FirebaseCoreInternal: b342e37cd4f5b4454ec34308f073420e7920858e
-  FirebaseInAppMessaging: dc24f50aebaf81a377f0b8abf360778f94208931
-  FirebaseInstallations: b28af1b9f997f1a799efe818c94695a3728c352f
-  FirebaseMessaging: bb2c4f6422a753038fe137d90ae7c1af57251316
-  Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
-  flutter_app_badger: b87fc231847b03b92ce1412aa351842e7e97932f
-  flutter_local_notifications: 0c0b1ae97e741e1521e4c1629a459d04b9aec743
-  flutter_native_splash: 52501b97d1c0a5f898d687f1646226c1f93c56ef
-  fluttertoast: fafc4fa4d01a6a9e4f772ecd190ffa525e9e2d9c
-  FMDB: 2ce00b547f966261cd18927a3ddb07cb6f3db82a
-  GoogleDataTransport: 54dee9d48d14580407f8f5fbf2f496e92437a2f2
-  GoogleUtilities: 13e2c67ede716b8741c7989e26893d151b2b2084
-  image_picker_ios: 4a8aadfbb6dc30ad5141a2ce3832af9214a705b5
-  libphonenumber_plugin: e8a7d64a6624a7c25f2c4ab0b7ead2a8e341e35e
-  nanopb: b552cce312b6c8484180ef47159bc0f65a1f0431
-  package_info: 873975fc26034f0b863a300ad47e7f1ac6c7ec62
-  path_provider_foundation: 29f094ae23ebbca9d3d0cec13889cd9060c0e943
-  PhoneNumberKit: 43b5169526cc417398c8f13f77c97552c1c6ed76
-  PromisesObjC: c50d2056b5253dadbd6c2bea79b0674bd5a52fa4
-  SDWebImage: 750adf017a315a280c60fde706ab1e552a3ae4e9
-  share_plus: 599aa54e4ea31d4b4c0e9c911bcc26c55e791028
-  shared_preferences_foundation: 5b919d13b803cadd15ed2dc053125c68730e5126
-  sqflite: 31f7eba61e3074736dff8807a9b41581e4f7f15a
-  SwiftyGif: 93a1cc87bf3a51916001cf8f3d63835fb64c819f
-  syncfusion_flutter_pdfviewer: bb9998884b864cfedf72628df3503bdf57e397c0
-  Toast: 91b396c56ee72a5790816f40d3a94dd357abc196
-  url_launcher_ios: 08a3dfac5fb39e8759aeb0abbd5d9480f30fc8b4
+  connectivity_plus: cb623214f4e1f6ef8fe7403d580fdad517d2f7dd
+  device_info_plus: 21fcca2080fbcd348be798aa36c3e5ed849eefbe
+  DKImagePickerController: 946cec48c7873164274ecc4624d19e3da4c1ef3c
+  DKPhotoGallery: b3834fecb755ee09a593d7c9e389d8b5d6deed60
+  emoji_picker_flutter: ece213fc274bdddefb77d502d33080dc54e616cc
+  fast_rsa: fb70897d51040b094c780d5f1d7358614738b879
+  file_picker: a0560bc09d61de87f12d246fc47d2119e6ef37be
+  Firebase: f07b15ae5a6ec0f93713e30b923d9970d144af3e
+  firebase_core: f1aafb21c14f497e5498f7ffc4dc63cbb52b2594
+  firebase_in_app_messaging: 04dfc07ab81578ef83bf0c0229be258ddf287c4f
+  firebase_messaging: c17a29984eafce4b2997fe078bb0a9e0b06f5dde
+  FirebaseABTesting: c05b5ec9f1d9f21a65909525de301d375032d9a4
+  FirebaseCore: bb595f3114953664e3c1dc032f008a244147cfd3
+  FirebaseCoreInternal: d7f5a043c2cd01a08103ab586587c1468047bca6
+  FirebaseInAppMessaging: 606dd4d4d5590a3d8229f363fdebb485235985b2
+  FirebaseInstallations: ae9f4902cb5bf1d0c5eaa31ec1f4e5495a0714e2
+  FirebaseMessaging: d33971b7bb252745ea6cd31ab190d1a1df4b8ed5
+  Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
+  flutter_app_badge: ca742dd659a157c1090ef7cd881cb78f48f3bcdf
+  flutter_local_notifications: a5a732f069baa862e728d839dd2ebb904737effb
+  flutter_native_splash: c32d145d68aeda5502d5f543ee38c192065986cf
+  GoogleDataTransport: aae35b7ea0c09004c3797d53c8c41f66f219d6a7
+  GoogleUtilities: 00c88b9a86066ef77f0da2fab05f65d7768ed8e1
+  image_picker_ios: e0ece4aa2a75771a7de3fa735d26d90817041326
+  in_app_review: 7dd1ea365263f834b8464673f9df72c80c17c937
+  nanopb: fad817b59e0457d11a5dfbde799381cd727c1275
+  open_filex: 432f3cd11432da3e39f47fcc0df2b1603854eff1
+  package_info_plus: af8e2ca6888548050f16fa2f1938db7b5a5df499
+  path_provider_foundation: bb55f6dbba17d0dccd6737fe6f7f34fbd0376880
+  PhoneNumberKit: ced55861269312a5e3bc2ef82a58d6255b1c976a
+  PromisesObjC: f5707f49cb48b9636751c5b2e7d227e43fba9f47
+  SDWebImage: 9f177d83116802728e122410fb25ad88f5c7608a
+  share_plus: 50da8cb520a8f0f65671c6c6a99b3617ed10a58a
+  shared_preferences_foundation: 7036424c3d8ec98dfe75ff1667cb0cd531ec82bb
+  sqflite_darwin: 20b2a3a3b70e43edae938624ce550a3cbf66a3d0
+  SwiftyGif: 706c60cf65fa2bc5ee0313beece843c8eb8194d4
+  syncfusion_flutter_pdfviewer: 90dc48305d2e33d4aa20681d1e98ddeda891bc14
+  url_launcher_ios: 7a95fa5b60cc718a708b8f2966718e93db0cef1b
 
-PODFILE CHECKSUM: 3d89a90682e2cd438911ad748b8ba5992f8b6a0e
+PODFILE CHECKSUM: e21c9d4c7b9623c73c6784ddc132fd50a603ad93
 
-COCOAPODS: 1.12.1
+COCOAPODS: 1.16.2

ios/Runner.xcodeproj/project.pbxproj

@@ -8,8 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		33FDB0982EE9ABDC000B2391 /* GoogleService-Info.plist in Resources */ = {isa = PBXBuildFile; fileRef = 33FDB0972EE9ABDC000B2391 /* GoogleService-Info.plist */; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
-		6483E4432A911EA00063B51E /* GoogleService-Info.plist in Resources */ = {isa = PBXBuildFile; fileRef = 6483E4422A911EA00063B51E /* GoogleService-Info.plist */; };
 		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
 		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
 		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
@@ -33,10 +33,10 @@
 /* Begin PBXFileReference section */
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		33FDB0972EE9ABDC000B2391 /* GoogleService-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "GoogleService-Info.plist"; sourceTree = "<group>"; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
 		4509EC31CB08BA9BF367AF6C /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
 		64801C012A9112D500E8B558 /* Runner.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = Runner.entitlements; sourceTree = "<group>"; };
-		6483E4422A911EA00063B51E /* GoogleService-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = "GoogleService-Info.plist"; path = "../../../../Downloads/GoogleService-Info.plist"; sourceTree = "<group>"; };
 		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
 		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
@@ -115,12 +115,12 @@
 		97C146F01CF9000F007C117D /* Runner */ = {
 			isa = PBXGroup;
 			children = (
+				33FDB0972EE9ABDC000B2391 /* GoogleService-Info.plist */,
 				64801C012A9112D500E8B558 /* Runner.entitlements */,
 				97C146FA1CF9000F007C117D /* Main.storyboard */,
 				97C146FD1CF9000F007C117D /* Assets.xcassets */,
 				97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */,
 				97C147021CF9000F007C117D /* Info.plist */,
-				6483E4422A911EA00063B51E /* GoogleService-Info.plist */,
 				1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */,
 				1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */,
 				74858FAE1ED2DC5600515810 /* AppDelegate.swift */,
@@ -144,6 +144,7 @@
 				9705A1C41CF9048500538489 /* Embed Frameworks */,
 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
 				174B54D80220E5F588BD9737 /* [CP] Embed Pods Frameworks */,
+				859FAB4E05FAC31B7B1A62D7 /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
@@ -161,7 +162,7 @@
 			isa = PBXProject;
 			attributes = {
 				BuildIndependentTargetsInParallel = YES;
-				LastUpgradeCheck = 1430;
+				LastUpgradeCheck = 1510;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {
@@ -195,7 +196,7 @@
 			files = (
 				97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */,
 				3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */,
-				6483E4432A911EA00063B51E /* GoogleService-Info.plist in Resources */,
+				33FDB0982EE9ABDC000B2391 /* GoogleService-Info.plist in Resources */,
 				97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */,
 				97C146FC1CF9000F007C117D /* Main.storyboard in Resources */,
 			);
@@ -212,10 +213,14 @@
 			inputFileListPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-input-files.xcfilelist",
 			);
+			inputPaths = (
+			);
 			name = "[CP] Embed Pods Frameworks";
 			outputFileListPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-output-files.xcfilelist",
 			);
+			outputPaths = (
+			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
 			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
@@ -237,6 +242,27 @@
 			shellPath = /bin/sh;
 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
 		};
+		859FAB4E05FAC31B7B1A62D7 /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-input-files.xcfilelist",
+			);
+			inputPaths = (
+			);
+			name = "[CP] Copy Pods Resources";
+			outputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-output-files.xcfilelist",
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
 			alwaysOutOfDate = 1;
@@ -349,7 +375,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -434,7 +460,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -483,7 +509,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1430"
+   LastUpgradeVersion = "1510"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <MacroExpansion>
          <BuildableReference
@@ -43,11 +44,13 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
       allowLocationSimulation = "YES">
       <BuildableProductRunnable
          runnableDebuggingMode = "0">

ios/Runner/AppDelegate.swift

@@ -1,7 +1,7 @@
 import UIKit
 import Flutter
 
-@UIApplicationMain
+@main
 @objc class AppDelegate: FlutterAppDelegate {
   override func application(
     _ application: UIApplication,

ios/Runner/Info.plist

@@ -2,6 +2,19 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 	<dict>
+		<key>AppGroupId</key>
+		<string>$(CUSTOM_GROUP_ID)</string>
+		<key>CFBundleURLTypes</key>
+		<array>
+			<dict>
+				<key>CFBundleTypeRole</key>
+				<string>Editor</string>
+				<key>CFBundleURLSchemes</key>
+				<array>
+					<string>ShareMedia-$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+				</array>
+			</dict>
+		</array>
 		<key>CADisableMinimumFrameDurationOnPhone</key>
 		<true/>
 		<key>CFBundleDevelopmentRegion</key>
@@ -26,6 +39,8 @@
 		<string>$(FLUTTER_BUILD_NUMBER)</string>
 		<key>LSRequiresIPhoneOS</key>
 		<true/>
+		<key>NSCameraUsageDescription</key>
+		<string>Um Fotos direkt aus der App aufnehmen und teilen zu können wird Zugriff auf die Kamera benötigt.</string>
 		<key>NSPhotoLibraryUsageDescription</key>
 		<string>Um Medien mit anderen zu teilen wird Zugriff zu deine Dateien benötigt.</string>
 		<key>UIApplicationSupportsIndirectInputEvents</key>

ios/Runner/Runner.entitlements

@@ -4,5 +4,10 @@
 <dict>
 	<key>aps-environment</key>
 	<string>development</string>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.eu.mhsl.marianum.mobile.client.widget</string>
+		<string>group.eu.mhsl.marianum.mobile.client.share</string>
+	</array>
 </dict>
 </plist>

ios/Share Extension/Info.plist

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>AppGroupId</key>
+	<string>$(CUSTOM_GROUP_ID)</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Marianum Fulda</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>PHSupportedMediaTypes</key>
+			<array>
+				<string>Video</string>
+				<string>Image</string>
+			</array>
+			<key>NSExtensionActivationRule</key>
+			<dict>
+				<key>NSExtensionActivationSupportsText</key>
+				<true/>
+				<key>NSExtensionActivationSupportsWebURLWithMaxCount</key>
+				<integer>1</integer>
+				<key>NSExtensionActivationSupportsImageWithMaxCount</key>
+				<integer>10</integer>
+				<key>NSExtensionActivationSupportsMovieWithMaxCount</key>
+				<integer>10</integer>
+				<key>NSExtensionActivationSupportsFileWithMaxCount</key>
+				<integer>10</integer>
+			</dict>
+		</dict>
+		<key>NSExtensionMainStoryboard</key>
+		<string>MainInterface</string>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.share-services</string>
+	</dict>
+</dict>
+</plist>

ios/Share Extension/MainInterface.storyboard

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="15400" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="j1y-V4-xli">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22504"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Share View Controller-->
+        <scene sceneID="ceB-am-kn3">
+            <objects>
+                <viewController id="j1y-V4-xli" customClass="ShareViewController" customModuleProvider="target">
+                    <view key="view" contentMode="scaleToFill" id="wbc-yd-nQP">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <viewLayoutGuide key="safeArea" id="bcg-RR-FT9"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="CzN-xT-EUl" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>

ios/Share Extension/SETUP.md

@@ -0,0 +1,93 @@
+# iOS Share Extension — Xcode Setup
+
+Die Quellen unter `ios/Share Extension/` müssen einmalig in Xcode als **Share Extension Target** verdrahtet werden — analog zur `TimetableWidgetExtension`. Erst danach taucht „Marianum Fulda" im System-Share-Sheet auf.
+
+## Schritt 1 — Share-Extension-Target anlegen
+
+1. `ios/Runner.xcworkspace` in Xcode öffnen.
+2. Projekt-Sidebar → `Runner` (Projekt-Root) → **+ Add Target** unten links.
+3. **iOS → Share Extension** wählen.
+4. Eigenschaften:
+   - Product Name: `Share Extension` (mit Leerzeichen, exakt so — der Ordnername und Podfile-Eintrag matchen).
+   - Bundle Identifier: `eu.mhsl.marianum.mobile.client.Share-Extension`.
+   - Language: Swift.
+   - Embed in: Runner.
+5. Beim Activate-Scheme-Dialog auf **Cancel** klicken.
+6. Deployment Target = mind. iOS 12.0 (Plugin-Mindestanforderung).
+
+## Schritt 2 — Vorhandene Quelldateien ins Target ziehen
+
+Xcode legt Dummy-Dateien an. Diese **löschen** (Move to Trash). Dann:
+
+1. Sidebar → Rechtsklick auf den Ordner `Share Extension` → **Add Files to "Runner"…**
+2. Im File-Picker zu `ios/Share Extension/` navigieren und folgende Dateien selektieren:
+   - `ShareViewController.swift`
+   - `Info.plist`
+   - `MainInterface.storyboard`
+   - `Share Extension.entitlements`
+3. **Wichtig**: bei „Add to targets" nur `Share Extension` ankreuzen, **nicht** Runner.
+
+## Schritt 3 — App Group aktivieren
+
+Beide Targets brauchen die App-Group-Berechtigung, damit die Extension geteilte Dateien für die Hauptapp im gemeinsamen Container ablegen kann.
+
+1. **Runner**-Target → **Signing & Capabilities** → **+ Capability** → **App Groups**.
+   - Group-ID hinzufügen: `group.eu.mhsl.marianum.mobile.client.share` (zusätzlich zur bereits existierenden Widget-Group).
+2. Dasselbe für **Share Extension**-Target — mit derselben Group-ID `group.eu.mhsl.marianum.mobile.client.share`.
+
+Im Apple-Developer-Portal muss diese App-Group bei beiden App-IDs eingetragen sein, sonst schlägt das Provisioning fehl.
+
+## Schritt 4 — User-Defined Build Setting `CUSTOM_GROUP_ID`
+
+Beide Targets brauchen das User-Defined Setting, das in `Runner/Info.plist` und `Share Extension/Info.plist` als `$(CUSTOM_GROUP_ID)` referenziert wird.
+
+1. **Runner** → Build Settings → `+` (oben links) → **Add User-Defined Setting**.
+   - Name: `CUSTOM_GROUP_ID`
+   - Wert: `group.eu.mhsl.marianum.mobile.client.share`
+2. Dasselbe für **Share Extension**-Target.
+
+## Schritt 5 — Entitlements verlinken
+
+1. **Runner** → Build Settings → `CODE_SIGN_ENTITLEMENTS` zeigt bereits auf `Runner/Runner.entitlements` (jetzt mit beiden Groups).
+2. **Share Extension** → Build Settings → `CODE_SIGN_ENTITLEMENTS` → auf `Share Extension/Share Extension.entitlements` setzen.
+
+## Schritt 6 — Info.plist-Pfad
+
+**Share Extension** → Build Settings → `INFOPLIST_FILE` → auf `Share Extension/Info.plist` setzen.
+
+## Schritt 7 — Build Phases reorder
+
+Damit das Plugin-Modul vom Extension-Target gefunden wird:
+
+1. **Runner**-Target → **Build Phases**.
+2. `Embed Foundation Extensions` per Drag-and-Drop **vor** `Thin Binary` ziehen.
+
+## Schritt 8 — Pods installieren
+
+```bash
+cd ios && pod install
+```
+
+Der Podfile-Eintrag (`target 'Share Extension' do inherit! :search_paths end`) ist bereits vorhanden.
+
+## Schritt 9 — Build & Run
+
+1. Scheme `Runner` wählen → Run auf Device oder Simulator (≥ iOS 12).
+2. Foto in der Fotos-App auswählen → Teilen → „Marianum Fulda" sollte erscheinen.
+3. Auswahl → App öffnet sich, ShareTargetPage erscheint.
+
+## Troubleshooting
+
+- **Error: No such module 'receive_sharing_intent'**
+  → Schritt 7 (Build Phases reorder) wurde übersprungen.
+- **Error: ‚Frameworks' not allowed in extension**
+  → In Build Settings der Share Extension `Other Linker Flags` und `Framework Search Paths` leeren (nur die geerbten Pod-Pfade behalten).
+- **Share-Sheet zeigt App nicht an**
+  → `NSExtensionActivationRule`-Limits in `Share Extension/Info.plist` zu klein? Werte testweise erhöhen. Außerdem: App muss **mindestens einmal nach Install** geöffnet worden sein, sonst wird die Extension von iOS nicht registriert.
+- **Files kommen mit `nil` Pfad an**
+  → App-Group nicht konsistent. Prüfen, dass `CUSTOM_GROUP_ID` in beiden Targets identisch ist und die Entitlement-Files dieselbe Group enthalten.
+
+## Was am Mac noch zu tun ist
+
+- Schritte 1–8 oben (~15 Min).
+- Auf physischem iPhone testen — Simulator-Share-Sheet ist eingeschränkt.

ios/Share Extension/Share Extension.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.eu.mhsl.marianum.mobile.client.share</string>
+	</array>
+</dict>
+</plist>

ios/Share Extension/ShareViewController.swift

@@ -0,0 +1,8 @@
+import UIKit
+import receive_sharing_intent
+
+class ShareViewController: RSIShareViewController {
+    override func shouldAutoRedirect() -> Bool {
+        return true
+    }
+}

ios/TimetableWidgetExtension/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/TimetableWidgetExtension/Assets.xcassets/marianum_m.imageset/Contents.json

@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "marianum_m_white.svg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "preserves-vector-representation" : true,
+    "template-rendering-intent" : "template"
+  }
+}

ios/TimetableWidgetExtension/Assets.xcassets/marianum_m.imageset/marianum_m_white.svg

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="70.000168mm"
+   height="82.227348mm"
+   viewBox="0 0 70.000168 82.227348"
+   version="1.1"
+   id="svg1"
+   xml:space="preserve"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+     id="defs1" /><g
+     id="g1"
+     transform="matrix(0.26458333,0,0,0.26458334,107.44411,-80.482198)"><g
+       id="group-R5"
+       transform="translate(-749.41293,290.52252)"><path
+         id="path3"
+         d="m 3499.67,4594.33 c -16.43,-106.19 -29.71,-199.97 -43.79,-293.49 86.83,-19 138.5,-27.61 223.38,-43.82 63.81,-12.18 175.24,-20.4 179.64,-83.23 6.46,-92.69 -124.69,-55.41 -188.38,-43.81 -84.33,15.36 -159.13,28.84 -232.2,43.81 -13.68,-60.72 -26.83,-118.68 -39.43,-179.61 -36.76,-178.32 -73.67,-368.16 -105.11,-551.97 18.09,25.66 30.84,42.72 43.8,65.7 66.7,118.26 140.39,245.04 227.76,354.83 33.49,42.05 76.86,94.81 118.31,113.91 98.42,45.36 166.68,-22.2 170.87,-118.28 3.68,-85.28 -23.09,-181.17 -35.08,-275.99 -12.4,-98.19 -22.89,-194.93 -35.03,-275.98 72.44,102.69 147.93,269.64 240.95,381.12 27.51,33 73.55,80.61 118.27,87.62 218.76,34.33 126.58,-312.17 127.05,-473.13 0.4,-144.9 44.01,-255.37 175.21,-271.59 43.02,-5.31 105.84,11.16 112.7,-26.34 8.67,-47.38 -78.15,-60.52 -125.84,-61.28 -291.34,-4.51 -322.06,262.33 -311.01,573.88 -19.85,-18.57 -35.71,-47.53 -52.57,-74.47 -97.59,-155.88 -203.95,-327.22 -297.92,-503.79 -25.93,-48.79 -53.68,-114.7 -135.8,-83.23 -17.27,6.63 -48.25,44.39 -52.56,56.96 -19.58,57.19 1.55,137.42 8.76,205.89 21.54,203.72 57.81,389.09 78.87,587.01 -26.3,0.51 -43.93,-30.07 -56.96,-48.2 -46.9,-65.27 -86.02,-140.76 -127.04,-214.64 -52.84,-95.15 -108.23,-192.84 -157.71,-293.52 -75.25,-153.09 -188.6,-501.89 -242.12,-678.81 -8.67,-28.67 -17.7,-58.08 -26.3,-87.64 -7.48,-25.72 -10.39,-57.68 -35.05,-74.46 -100.02,18.93 -89.71,104.89 -70.09,205.9 47.35,243.43 170.89,706.45 211.48,946.04 -72.97,-70.97 -153.99,-207.41 -289.14,-236.55 -136.47,-29.44 -217.95,47.68 -271.6,122.66 -17.14,23.96 -41.43,49.54 -26.29,78.84 83.96,35.51 113.37,-65.2 197.15,-74.47 22.65,-2.5 54.56,2.4 74.46,8.78 132.4,42.34 237.57,218.76 297.87,346.07 74.16,156.45 125.32,330.5 148.95,490.64 -65.71,11.4 -142.96,22.15 -219.25,36.52 -109.8,20.72 -158.81,10.75 -201.29,59.86 9.15,41.95 41.41,60.8 70.1,83.24 126.26,-16.84 252.45,-33.77 372.36,-56.97 20.43,89.25 51.98,218.51 74.45,311.05 40.53,26.02 88.88,-8.43 105.17,-35.06"
+         style="fill:#d3d2d2;fill-opacity:1;fill-rule:evenodd;stroke:none"
+         transform="matrix(0.13333333,0,0,-0.13333333,0,632.14667)" /></g></g></svg>

ios/TimetableWidgetExtension/Info.plist

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Marianum Stundenplan</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(MARKETING_VERSION)</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.widgetkit-extension</string>
+	</dict>
+</dict>
+</plist>

ios/TimetableWidgetExtension/MarianumWatermark.swift

@@ -0,0 +1,28 @@
+import SwiftUI
+
+/// Marianum-M peeking out of the bottom-right corner. Sized to the longer
+/// widget edge so it scales with resize; offset nudges a sliver behind the
+/// edge.
+struct MarianumWatermark: View {
+    @Environment(\.colorScheme) private var colorScheme
+
+    var body: some View {
+        GeometryReader { geo in
+            let markSize = min(400, max(160, max(geo.size.width, geo.size.height) * 0.8))
+            let offsetX = markSize * 0.18
+            let offsetY = markSize * 0.18
+            ZStack(alignment: .bottomTrailing) {
+                Color.clear
+                Image("marianum_m")
+                    .resizable()
+                    .renderingMode(.template)
+                    .aspectRatio(contentMode: .fit)
+                    .foregroundStyle(.primary)
+                    .frame(width: markSize, height: markSize)
+                    .opacity(colorScheme == .dark ? 0.025 : 0.014)
+                    .offset(x: offsetX, y: offsetY)
+            }
+        }
+        .clipped()
+    }
+}

ios/TimetableWidgetExtension/SETUP.md

@@ -0,0 +1,72 @@
+# iOS Widget Extension — Xcode Setup
+
+Die Swift-Quellen unter `ios/TimetableWidgetExtension/` müssen einmalig in Xcode als **Widget Extension Target** verdrahtet werden — ohne diesen Schritt bleibt der Code unkompiliert.
+
+## Schritt 1 — Widget-Extension-Target anlegen
+
+1. `ios/Runner.xcworkspace` in Xcode öffnen.
+2. Projekt-Sidebar → `Runner` (Projekt-Root) → **+ Add Target** unten links.
+3. **iOS → Widget Extension** wählen.
+4. Eigenschaften:
+   - Product Name: `TimetableWidgetExtension`
+   - Bundle Identifier: `eu.mhsl.marianum.mobile.client.TimetableWidgetExtension`
+   - Language: Swift
+   - Include Configuration Intent: **OFF** (StaticConfiguration reicht)
+   - Embed in: Runner
+5. Beim Activate-Scheme-Dialog auf **Cancel** klicken.
+
+## Schritt 2 — Vorhandene Quelldateien ins Target ziehen
+
+Xcode hat zunächst Dummy-Dateien (`TimetableWidgetExtension.swift`, `TimetableWidgetExtensionBundle.swift`) angelegt. Diese **löschen** (Move to Trash). Dann:
+
+1. Sidebar → Rechtsklick auf den Ordner `TimetableWidgetExtension` → **Add Files to "Runner"…**
+2. Im File-Picker zu `ios/TimetableWidgetExtension/` navigieren und alle `.swift`-Dateien, die `Info.plist`, `TimetableWidgetExtension.entitlements` **und den `Assets.xcassets`-Ordner** selektieren (mit `marianum_m`-Asset darin — gleicher Asset-Name wie auf Android-Seite).
+3. **Wichtig**: bei „Add to targets" nur `TimetableWidgetExtension` ankreuzen, **nicht** Runner.
+
+## Schritt 3 — App Group aktivieren
+
+Beide Targets brauchen die App-Group-Berechtigung, damit Hauptapp und Widget über `UserDefaults(suiteName:)` schreiben/lesen können.
+
+1. **Runner**-Target → **Signing & Capabilities** → **+ Capability** → **App Groups**.
+   - Group-ID hinzufügen: `group.eu.mhsl.marianum.mobile.client.widget`
+2. Dasselbe für **TimetableWidgetExtension** — mit derselben Group-ID.
+
+Im Apple-Developer-Portal muss die App-Group bei beiden App-IDs eingetragen sein, sonst schlägt das Provisioning fehl.
+
+## Schritt 4 — Entitlements verlinken
+
+1. **Runner** → Build Settings → `CODE_SIGN_ENTITLEMENTS` sollte bereits auf `Runner/Runner.entitlements` zeigen.
+2. **TimetableWidgetExtension** → Build Settings → `CODE_SIGN_ENTITLEMENTS` → auf `TimetableWidgetExtension/TimetableWidgetExtension.entitlements` setzen.
+
+## Schritt 5 — Info.plist + Deployment Target
+
+1. **TimetableWidgetExtension** → Build Settings → `INFOPLIST_FILE` → auf `TimetableWidgetExtension/Info.plist` setzen.
+2. Build Settings → `IPHONEOS_DEPLOYMENT_TARGET` ≥ 16.0 (Code gated `.containerBackground` mit `if #available(iOS 17, *)`, läuft also auch auf 16).
+
+## Schritt 6 — Build & Run
+
+- Scheme `Runner` (nicht das Widget-Scheme) wählen → Run.
+- Auf Home-Screen langes Drücken → Widget hinzufügen → "Marianum · Heute" / "Marianum · Woche".
+- Widget-Tap öffnet die App im zuletzt sichtbaren Tab. Eine Tab-Navigation auf den Stundenplan ist bewusst nicht implementiert (Android nutzt Intent-Extras, iOS würde dafür ein URL-Scheme oder AppIntent brauchen — beides bewusst ausgespart).
+
+## Troubleshooting
+
+- **Widget zeigt „Lade…"** auch nach Refresh: App-Group greift nicht. Prüfen, ob beide Targets dieselbe Group-ID haben und das Provisioning aktualisiert wurde.
+- **Stale-Daten nach Logout**: `WidgetSync.clear()` schreibt `widget_data_logged_in_v1 = false`; Widget zeigt dann den Login-Placeholder.
+- **Lessons um 1–2 Stunden verschoben**: Date-Parser-Bug. Sollte gefixt sein in `WidgetData.swift::parseDartDate` — verifizieren, dass die ISO-8601-Strings ohne Z-Suffix als `TimeZone.current` geparsed werden.
+- **App-Store-Submit später**: `Runner.entitlements` `aps-environment` von `development` auf `production` umbiegen.
+
+## Was bereits im Repo erledigt ist
+
+- Alle Swift-Quellen, Info.plist, Entitlements liegen unter `ios/TimetableWidgetExtension/`.
+- App-Group-ID konsistent zwischen Dart (`WidgetSync.iosAppGroupId`), Swift (`WidgetDataKey.appGroupId`) und der Entitlements-Datei.
+- `home_widget`-Plugin auf der Dart-Seite konfiguriert; ruft `HomeWidget.setAppGroupId` beim ersten Sync.
+- `containerBackground` für iOS 17+ gegated, fällt auf iOS 16 sauber zurück.
+- Date-Parser fixt das fehlende Z-Suffix (Dart schreibt lokale Zeit ohne TZ-Marker).
+
+## Was am Mac noch zu tun ist
+
+- Schritte 1–5 oben in Xcode durchklicken (10–15 Min).
+- `flutter pub get` + `cd ios && pod install`.
+- Auf physischem Gerät oder iOS-Simulator (≥ 16.0) bauen.
+- Widget aufs Home-Screen ziehen, prüfen dass Lesson-Zeiten korrekt rendern.

ios/TimetableWidgetExtension/TimetableDayView.swift

@@ -0,0 +1,451 @@
+import SwiftUI
+import WidgetKit
+
+// Layout constants — must mirror WidgetRenderer.kt on Android, otherwise
+// the platforms drift apart on the same widget size.
+let FALLBACK_VIRTUAL_MINUTES = 11 * 60
+let MIN_HOUR_HEIGHT: CGFloat = 18
+let MAX_HOUR_HEIGHT: CGFloat = 72
+let MIN_BLOCK_HEIGHT: CGFloat = 16
+let LESSON_GAP: CGFloat = 1.5
+
+func realMinutesToVirtual(_ realMin: Int, periods: [WidgetPeriod]) -> CGFloat {
+    guard !periods.isEmpty else { return CGFloat(realMin) }
+    for p in periods where realMin >= p.startMinutes && realMin <= p.endMinutes {
+        return CGFloat(p.virtualStartMinutes + (realMin - p.startMinutes))
+    }
+    let first = periods.first!
+    if realMin < first.startMinutes {
+        return CGFloat(realMin - first.startMinutes + first.virtualStartMinutes)
+    }
+    let last = periods.last!
+    if realMin > last.endMinutes {
+        return CGFloat(last.virtualEndMinutes + (realMin - last.endMinutes))
+    }
+    var prev = first
+    for i in 1..<periods.count {
+        let curr = periods[i]
+        if realMin > prev.endMinutes && realMin < curr.startMinutes {
+            let gap = curr.startMinutes - prev.endMinutes
+            let virtualGap = curr.virtualStartMinutes - prev.virtualEndMinutes
+            if gap > 0 {
+                return CGFloat(prev.virtualEndMinutes) +
+                    CGFloat(realMin - prev.endMinutes) * CGFloat(virtualGap) / CGFloat(gap)
+            }
+            return CGFloat(curr.virtualStartMinutes)
+        }
+        prev = curr
+    }
+    return 0
+}
+
+let BLOCK_SHOW_ROOM_MIN: CGFloat = 18
+let BLOCK_SHOW_TEACHER_SEPARATE_MIN: CGFloat = 30
+
+let MIN_SUBJECT_FONT: CGFloat = 9
+let MAX_SUBJECT_FONT: CGFloat = 14
+let MIN_SECONDARY_FONT: CGFloat = 7
+
+func subjectFont(forHourHeight hourHeight: CGFloat) -> CGFloat {
+    let t = max(0, min(1, (hourHeight - MIN_HOUR_HEIGHT) / (MAX_HOUR_HEIGHT - MIN_HOUR_HEIGHT)))
+    return MIN_SUBJECT_FONT + t * (MAX_SUBJECT_FONT - MIN_SUBJECT_FONT)
+}
+
+struct TimetableDayView: View {
+    let entry: TimetableEntry
+
+    var body: some View {
+        ZStack {
+            if !entry.isLoggedIn {
+                placeholder("Bitte einloggen, um den Stundenplan zu laden")
+            } else if let data = entry.data {
+                content(data: data)
+            } else {
+                placeholder("Lade…")
+            }
+        }
+        .background(MarianumWatermark())
+        .widgetThemeOverride(entry.themeMode)
+    }
+
+    @ViewBuilder
+    private func content(data: WidgetTimetableData) -> some View {
+        VStack(alignment: .leading, spacing: 6) {
+            header(data: data)
+            if data.isHoliday {
+                emptyState(text: data.holidayName ?? "Ferien")
+            } else if data.lessons.isEmpty {
+                emptyState(text: "Keine Stunden")
+            } else {
+                GeometryReader { geo in
+                    let totalMin = CGFloat(data.periods.last?.virtualEndMinutes ?? FALLBACK_VIRTUAL_MINUTES)
+                    TimeGridView(
+                        lessons: data.lessons,
+                        periods: data.periods,
+                        anchorDate: data.anchorDate,
+                        hourHeight: max(
+                            MIN_HOUR_HEIGHT,
+                            min(MAX_HOUR_HEIGHT, geo.size.height / max(totalMin, 60) * 60)
+                        ),
+                        showRoom: true,
+                        showTeacher: true,
+                        showTimeLabels: true
+                    )
+                }
+            }
+        }
+    }
+
+    private func header(data: WidgetTimetableData) -> some View {
+        HStack {
+            Text(dayLabel(for: data.anchorDate))
+                .font(.system(size: 14, weight: .semibold))
+                .foregroundStyle(.primary)
+            Spacer()
+            Text("Stand: \(freshnessLabel(for: data.fetchedAt))")
+                .font(.system(size: 10))
+                .foregroundStyle(.secondary)
+        }
+    }
+
+    private func emptyState(text: String) -> some View {
+        VStack {
+            Spacer()
+            Text(text)
+                .font(.caption)
+                .foregroundStyle(.secondary)
+            Spacer()
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+    }
+
+    private func placeholder(_ message: String) -> some View {
+        VStack(spacing: 4) {
+            Text("Marianum Stundenplan")
+                .font(.system(size: 14, weight: .semibold))
+            Text(message)
+                .font(.caption)
+                .foregroundStyle(.secondary)
+                .multilineTextAlignment(.center)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+    }
+}
+
+struct TimeGridView: View {
+    let lessons: [WidgetLesson]
+    let periods: [WidgetPeriod]
+    let anchorDate: Date
+    let hourHeight: CGFloat
+    let showRoom: Bool
+    let showTeacher: Bool
+    let showTimeLabels: Bool
+    /// Week-widget passes 3 for narrow columns; day-widget keeps 7.
+    var horizontalPadding: CGFloat = 7
+
+    private var totalVirtualMinutes: Int {
+        periods.last?.virtualEndMinutes ?? FALLBACK_VIRTUAL_MINUTES
+    }
+
+    private var totalHeight: CGFloat {
+        CGFloat(totalVirtualMinutes) * hourHeight / 60.0
+    }
+
+    /// Below this per-hour height the two-line label collapses to a single
+    /// period number — time + number overlap otherwise.
+    private var compactLabels: Bool { hourHeight < 26 }
+
+    var body: some View {
+        HStack(alignment: .top, spacing: 0) {
+            if showTimeLabels {
+                timeLabelsColumn
+                    .frame(width: 32, alignment: .topTrailing)
+                Rectangle()
+                    .fill(Color.primary.opacity(0.13))
+                    .frame(width: 1)
+            }
+            ZStack(alignment: .top) {
+                gridLines
+                breakBlocks
+                ForEach(lessons.indices, id: \.self) { idx in
+                    lessonBlock(lessons[idx])
+                }
+                if Calendar.current.isDate(anchorDate, inSameDayAs: Date()) {
+                    nowIndicator
+                }
+            }
+            .frame(maxWidth: .infinity, minHeight: totalHeight, alignment: .top)
+        }
+    }
+
+    private var timeLabelsColumn: some View {
+        ZStack(alignment: .topTrailing) {
+            // Hour rules continue through the time-label column so it reads
+            // as a real table column rather than a free-floating tick list.
+            // Hour rules extend through the time-label column so it reads
+            // as a table column rather than a free-floating tick list.
+            ForEach(periodBoundaries(periods), id: \.self) { virtualMin in
+                Rectangle()
+                    .fill(Color.primary.opacity(0.08))
+                    .frame(height: 1)
+                    .offset(y: CGFloat(virtualMin) * hourHeight / 60.0)
+            }
+            ForEach(periods, id: \.startMinutes) { period in
+                VStack(alignment: .trailing, spacing: -2) {
+                    if compactLabels {
+                        Text("\(period.name).")
+                            .font(.system(size: 9, weight: .bold))
+                            .foregroundStyle(.primary)
+                            .lineLimit(1)
+                    } else {
+                        Text(formatHm(period.startMinutes))
+                            .font(.system(size: 9))
+                            .foregroundStyle(.primary)
+                            .lineLimit(1)
+                        Text("\(period.name).")
+                            .font(.system(size: 7, weight: .bold))
+                            .foregroundStyle(.secondary)
+                            .lineLimit(1)
+                    }
+                }
+                .padding(.trailing, 4)
+                .offset(y: CGFloat(period.virtualStartMinutes) * hourHeight / 60.0)
+            }
+        }
+        .frame(height: totalHeight, alignment: .topTrailing)
+    }
+
+    private var gridLines: some View {
+        ZStack(alignment: .top) {
+            // Hour rules continue through the time-label column so it reads
+            // as a real table column rather than a free-floating tick list.
+            ForEach(periodBoundaries(periods), id: \.self) { virtualMin in
+                Rectangle()
+                    .fill(Color.primary.opacity(0.08))
+                    .frame(height: 1)
+                    .offset(y: CGFloat(virtualMin) * hourHeight / 60.0)
+            }
+        }
+        .frame(height: totalHeight)
+    }
+
+    private var breakBlocks: some View {
+        ZStack(alignment: .top) {
+            ForEach(0..<max(0, periods.count - 1), id: \.self) { i in
+                let curr = periods[i]
+                let next = periods[i + 1]
+                let virtualGap = next.virtualStartMinutes - curr.virtualEndMinutes
+                if virtualGap > 0 {
+                    Rectangle()
+                        .fill(Color.primary.opacity(0.03))
+                        .frame(height: CGFloat(virtualGap) * hourHeight / 60.0)
+                        .padding(.horizontal, 1)
+                        .offset(y: CGFloat(curr.virtualEndMinutes) * hourHeight / 60.0)
+                }
+            }
+        }
+        .frame(height: totalHeight)
+    }
+
+    private func formatHm(_ minutes: Int) -> String {
+        String(format: "%02d:%02d", minutes / 60, minutes % 60)
+    }
+
+    @ViewBuilder
+    private func lessonBlock(_ lesson: WidgetLesson) -> some View {
+        let cal = Calendar.current
+        let comps = cal.dateComponents([.hour, .minute], from: lesson.start)
+        let startMinutes = (comps.hour ?? 0) * 60 + (comps.minute ?? 0)
+        let durationMinutes = max(15, Int(lesson.end.timeIntervalSince(lesson.start) / 60))
+        let virtualStart = realMinutesToVirtual(startMinutes, periods: periods)
+        let virtualEnd = realMinutesToVirtual(startMinutes + durationMinutes, periods: periods)
+
+        if virtualEnd > virtualStart {
+            let top = virtualStart * hourHeight / 60.0 + LESSON_GAP / 2
+            let height = max(
+                MIN_BLOCK_HEIGHT,
+                (virtualEnd - virtualStart) * hourHeight / 60.0 - LESSON_GAP
+            )
+            let subjectSize = subjectFont(forHourHeight: hourHeight)
+            let secondarySize = max(MIN_SECONDARY_FONT, subjectSize - 2)
+            let room = lesson.room
+            let teacher = lesson.teacher ?? lesson.originalTeacher
+            let hasSecondary = (room?.isEmpty == false) || (teacher?.isEmpty == false)
+            HStack(alignment: .top, spacing: 4) {
+                Text(subjectLabel(lesson))
+                    .font(.system(size: subjectSize, weight: .semibold))
+                    .foregroundStyle(.white)
+                    .lineLimit(hasSecondary ? 1 : 2)
+                    .minimumScaleFactor(0.5)
+                if hasSecondary {
+                    Spacer(minLength: 0)
+                    VStack(alignment: .trailing, spacing: -1) {
+                        if showRoom && height >= BLOCK_SHOW_ROOM_MIN {
+                            if let room, !room.isEmpty {
+                                Text(room)
+                                    .font(.system(size: secondarySize))
+                                    .foregroundStyle(.white.opacity(0.85))
+                                    .lineLimit(1)
+                                    .minimumScaleFactor(0.5)
+                            }
+                            if showTeacher,
+                               height >= BLOCK_SHOW_TEACHER_SEPARATE_MIN,
+                               let teacher,
+                               !teacher.isEmpty {
+                                Text(teacher)
+                                    .font(.system(size: secondarySize))
+                                    .foregroundStyle(.white.opacity(0.7))
+                                    .lineLimit(1)
+                                    .minimumScaleFactor(0.5)
+                            }
+                        }
+                    }
+                }
+            }
+            .padding(.horizontal, horizontalPadding)
+            .padding(.vertical, 3)
+            .frame(maxWidth: .infinity, alignment: .topLeading)
+            .frame(height: height, alignment: .topLeading)
+            .background(blockColor(lesson))
+            .cornerRadius(6)
+            .overlay(alignment: .bottomLeading) {
+                // Separate fixed-size badge so the +N hint stays readable
+                // when the subject autoshrinks on narrow tiles.
+                if let count = lesson.siblingCount, count > 0 {
+                    Text("+\(count)")
+                        .font(.system(size: 12, weight: .bold))
+                        .foregroundStyle(.white)
+                        .padding(.leading, horizontalPadding)
+                        .padding(.bottom, 2)
+                }
+            }
+            .overlay {
+                // CrossPainter parity: clip cross to the rounded shape so
+                // the diagonals don't bleed past the corners.
+                if lesson.status == .cancelled {
+                    ZStack {
+                        RoundedRectangle(cornerRadius: 6)
+                            .stroke(Color.red.opacity(0.78), lineWidth: 1.5)
+                        GeometryReader { geo in
+                            Path { p in
+                                p.move(to: .zero)
+                                p.addLine(to: CGPoint(x: geo.size.width, y: geo.size.height))
+                                p.move(to: CGPoint(x: geo.size.width, y: 0))
+                                p.addLine(to: CGPoint(x: 0, y: geo.size.height))
+                            }
+                            .stroke(Color.red.opacity(0.78), lineWidth: 3)
+                        }
+                    }
+                    .clipShape(RoundedRectangle(cornerRadius: 6))
+                }
+            }
+            .padding(.horizontal, showRoom ? 2 : 1)
+            .offset(y: top)
+        }
+    }
+
+    private var nowIndicator: some View {
+        let cal = Calendar.current
+        let comps = cal.dateComponents([.hour, .minute], from: Date())
+        let nowMinutes = (comps.hour ?? 0) * 60 + (comps.minute ?? 0)
+        let inside: Bool
+        if let first = periods.first, let last = periods.last {
+            inside = nowMinutes >= first.startMinutes && nowMinutes <= last.endMinutes
+        } else {
+            inside = true
+        }
+        let top = realMinutesToVirtual(nowMinutes, periods: periods) * hourHeight / 60.0
+        return Group {
+            if inside {
+                Rectangle()
+                    .fill(Color.red)
+                    .frame(height: 2)
+                    .offset(y: top)
+            }
+        }
+    }
+
+    private func subjectLabel(_ lesson: WidgetLesson) -> String {
+        !lesson.subjectShort.isEmpty
+            ? lesson.subjectShort
+            : (lesson.subjectLong ?? "—")
+    }
+
+    /// Mirrors lesson_color.dart + custom_event_colors.dart so the widget
+    /// matches the in-app calendar exactly.
+    private func blockColor(_ lesson: WidgetLesson) -> Color {
+        if lesson.status == .event, let custom = lesson.customColor {
+            switch custom {
+            case "orange": return Color(red: 239/255.0, green: 108/255.0, blue: 0/255.0)
+            case "red": return Color(red: 153/255.0, green: 51/255.0, blue: 51/255.0)
+            case "green": return Color(red: 76/255.0, green: 175/255.0, blue: 80/255.0)
+            case "blue": return Color(red: 33/255.0, green: 150/255.0, blue: 243/255.0)
+            default: break
+            }
+        }
+        switch lesson.status {
+        case .regular, .past: return Color(red: 153/255.0, green: 51/255.0, blue: 51/255.0)
+        case .ongoing: return Color(red: 200/255.0, green: 51/255.0, blue: 51/255.0)
+        case .cancelled: return .black
+        case .irregular: return Color(red: 143/255.0, green: 25/255.0, blue: 179/255.0)
+        case .teacherChanged: return Color(red: 41/255.0, green: 99/255.0, blue: 155/255.0)
+        case .event: return Color(red: 239/255.0, green: 108/255.0, blue: 0/255.0)
+        }
+    }
+}
+
+/// Period boundaries deduped: adjacent periods share a line, periods on
+/// either side of a break get their own (bracketing the break block).
+func periodBoundaries(_ periods: [WidgetPeriod]) -> [Int] {
+    var seen = Set<Int>()
+    var result: [Int] = []
+    for p in periods {
+        for v in [p.virtualStartMinutes, p.virtualEndMinutes] {
+            if seen.insert(v).inserted { result.append(v) }
+        }
+    }
+    return result.sorted()
+}
+
+func dayLabel(for date: Date) -> String {
+    let cal = Calendar.current
+    let today = cal.startOfDay(for: Date())
+    let anchor = cal.startOfDay(for: date)
+    if anchor == today {
+        return "Heute · \(shortDate(date))"
+    }
+    if let tomorrow = cal.date(byAdding: .day, value: 1, to: today), anchor == tomorrow {
+        return "Morgen · \(shortDate(date))"
+    }
+    let formatter = DateFormatter()
+    formatter.locale = Locale(identifier: "de_DE")
+    formatter.dateFormat = "EEEE · dd.MM."
+    return formatter.string(from: date)
+}
+
+func shortDate(_ date: Date) -> String {
+    let f = DateFormatter()
+    f.locale = Locale(identifier: "de_DE")
+    f.dateFormat = "dd.MM."
+    return f.string(from: date)
+}
+
+func freshnessLabel(for fetchedAt: Date) -> String {
+    let cal = Calendar.current
+    let today = cal.startOfDay(for: Date())
+    let fetchedDay = cal.startOfDay(for: fetchedAt)
+    let timeFmt = DateFormatter()
+    timeFmt.locale = Locale(identifier: "de_DE")
+    timeFmt.dateFormat = "HH:mm"
+    if fetchedDay == today {
+        return timeFmt.string(from: fetchedAt)
+    }
+    if let yesterday = cal.date(byAdding: .day, value: -1, to: today),
+       fetchedDay == yesterday {
+        return "gestern \(timeFmt.string(from: fetchedAt))"
+    }
+    let dateTimeFmt = DateFormatter()
+    dateTimeFmt.locale = Locale(identifier: "de_DE")
+    dateTimeFmt.dateFormat = "dd.MM. HH:mm"
+    return dateTimeFmt.string(from: fetchedAt)
+}

ios/TimetableWidgetExtension/TimetableWeekView.swift

@@ -0,0 +1,161 @@
+import SwiftUI
+import WidgetKit
+
+struct TimetableWeekView: View {
+    let entry: TimetableEntry
+
+    var body: some View {
+        ZStack {
+            if !entry.isLoggedIn {
+                placeholder("Bitte einloggen, um den Stundenplan zu laden")
+            } else if let data = entry.data {
+                content(data: data)
+            } else {
+                placeholder("Lade…")
+            }
+        }
+        .background(MarianumWatermark())
+        .widgetThemeOverride(entry.themeMode)
+    }
+
+    @ViewBuilder
+    private func content(data: WidgetTimetableData) -> some View {
+        VStack(alignment: .leading, spacing: 4) {
+            header(data: data)
+            dayHeaderRow(data: data)
+            GeometryReader { geo in
+                let totalMin = CGFloat(data.periods.last?.virtualEndMinutes ?? FALLBACK_VIRTUAL_MINUTES)
+                let hourHeight = max(
+                    MIN_HOUR_HEIGHT,
+                    min(MAX_HOUR_HEIGHT, geo.size.height / max(totalMin, 60) * 60)
+                )
+                let dayColumnWidth = (geo.size.width - 28 - 4) / 5
+                let subjectOnly = dayColumnWidth < 70
+                HStack(alignment: .top, spacing: 0) {
+                    timeLabelsColumn(hourHeight: hourHeight, periods: data.periods)
+                        .frame(width: 28, alignment: .topTrailing)
+                    columnDivider
+                    ForEach(0..<5, id: \.self) { offset in
+                        column(
+                            data: data,
+                            offset: offset,
+                            hourHeight: hourHeight,
+                            subjectOnly: subjectOnly
+                        )
+                        .frame(maxWidth: .infinity)
+                        if offset < 4 { columnDivider }
+                    }
+                }
+            }
+        }
+    }
+
+    private var columnDivider: some View {
+        Rectangle()
+            .fill(Color.primary.opacity(0.13))
+            .frame(width: 1)
+    }
+
+    private func header(data: WidgetTimetableData) -> some View {
+        let cal = Calendar.current
+        let week = cal.component(.weekOfYear, from: data.anchorDate)
+        let endDate = cal.date(byAdding: .day, value: 4, to: data.anchorDate) ?? data.anchorDate
+        return HStack {
+            Text("KW \(week) · \(shortDate(data.anchorDate))–\(shortDate(endDate))")
+                .font(.system(size: 13, weight: .semibold))
+                .foregroundStyle(.primary)
+            Spacer()
+            Text("Stand: \(freshnessLabel(for: data.fetchedAt))")
+                .font(.system(size: 10))
+                .foregroundStyle(.secondary)
+        }
+    }
+
+    private func dayHeaderRow(data: WidgetTimetableData) -> some View {
+        let cal = Calendar.current
+        return HStack(spacing: 0) {
+            Spacer().frame(width: 28)
+            columnDivider
+            ForEach(0..<5, id: \.self) { offset in
+                let day = cal.date(byAdding: .day, value: offset, to: data.anchorDate) ?? data.anchorDate
+                VStack(spacing: 0) {
+                    Text(weekday(for: day))
+                        .font(.system(size: 11, weight: .bold))
+                        .foregroundStyle(.primary)
+                    Text(shortDate(day))
+                        .font(.system(size: 9))
+                        .foregroundStyle(.secondary)
+                }
+                .frame(maxWidth: .infinity)
+                if offset < 4 { columnDivider }
+            }
+        }
+    }
+
+    private func timeLabelsColumn(hourHeight: CGFloat, periods: [WidgetPeriod]) -> some View {
+        let totalMin = periods.last?.virtualEndMinutes ?? FALLBACK_VIRTUAL_MINUTES
+        let totalHeight = CGFloat(totalMin) * hourHeight / 60.0
+        return ZStack(alignment: .topTrailing) {
+            ForEach(periodBoundaries(periods), id: \.self) { virtualMin in
+                Rectangle()
+                    .fill(Color.primary.opacity(0.08))
+                    .frame(height: 1)
+                    .offset(y: CGFloat(virtualMin) * hourHeight / 60.0)
+            }
+            ForEach(periods, id: \.startMinutes) { period in
+                VStack(alignment: .trailing, spacing: -2) {
+                    Text(String(format: "%02d:%02d", period.startMinutes / 60, period.startMinutes % 60))
+                        .font(.system(size: 8))
+                        .foregroundStyle(.primary)
+                        .lineLimit(1)
+                    Text("\(period.name).")
+                        .font(.system(size: 6, weight: .bold))
+                        .foregroundStyle(.secondary)
+                        .lineLimit(1)
+                }
+                .offset(y: CGFloat(period.virtualStartMinutes) * hourHeight / 60.0)
+            }
+        }
+        .frame(height: totalHeight, alignment: .topTrailing)
+    }
+
+    private func column(
+        data: WidgetTimetableData,
+        offset: Int,
+        hourHeight: CGFloat,
+        subjectOnly: Bool
+    ) -> some View {
+        let cal = Calendar.current
+        let day = cal.date(byAdding: .day, value: offset, to: data.anchorDate) ?? data.anchorDate
+        let lessonsForDay = data.lessons.filter { cal.isDate($0.start, inSameDayAs: day) }
+        return TimeGridView(
+            lessons: lessonsForDay,
+            periods: data.periods,
+            anchorDate: day,
+            hourHeight: hourHeight,
+            showRoom: !subjectOnly,
+            showTeacher: !subjectOnly,
+            showTimeLabels: false,
+            horizontalPadding: 3
+        )
+    }
+
+    private func weekday(for date: Date) -> String {
+        let f = DateFormatter()
+        f.locale = Locale(identifier: "de_DE")
+        f.dateFormat = "EE"
+        return f.string(from: date)
+    }
+
+    private func placeholder(_ message: String) -> some View {
+        VStack(spacing: 4) {
+            Text("Marianum Stundenplan")
+                .font(.system(size: 14, weight: .semibold))
+            Text(message)
+                .font(.caption)
+                .foregroundStyle(.secondary)
+                .multilineTextAlignment(.center)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+    }
+}

ios/TimetableWidgetExtension/TimetableWidgetExtension.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.eu.mhsl.marianum.mobile.client.widget</string>
+	</array>
+</dict>
+</plist>

ios/TimetableWidgetExtension/TimetableWidgetExtension.swift

@@ -0,0 +1,138 @@
+import SwiftUI
+import WidgetKit
+
+@main
+struct MarianumWidgetBundle: WidgetBundle {
+    var body: some Widget {
+        TimetableDayWidget()
+        TimetableWeekWidget()
+    }
+}
+
+// MARK: - Day widget
+
+struct TimetableDayWidget: Widget {
+    let kind: String = "TimetableDayWidget"
+
+    var body: some WidgetConfiguration {
+        StaticConfiguration(kind: kind, provider: TimetableDayProvider()) { entry in
+            TimetableDayView(entry: entry).widgetContainerBackground()
+        }
+        .configurationDisplayName("Marianum · Heute")
+        .description("Stundenplan und Vertretungen für den anstehenden Schultag.")
+        .supportedFamilies([.systemSmall, .systemMedium, .systemLarge])
+    }
+}
+
+struct TimetableDayProvider: TimelineProvider {
+    func placeholder(in context: Context) -> TimetableEntry {
+        TimetableEntry.placeholder()
+    }
+
+    func getSnapshot(in context: Context, completion: @escaping (TimetableEntry) -> Void) {
+        completion(TimetableEntry.current(variant: .day))
+    }
+
+    func getTimeline(
+        in context: Context,
+        completion: @escaping (Timeline<TimetableEntry>) -> Void
+    ) {
+        let entry = TimetableEntry.current(variant: .day)
+        // 30 min mirrors the Dart workmanager cadence. iOS treats this as
+        // advisory; the "Stand:" label tells the user when data is stale.
+        let next = Calendar.current.date(byAdding: .minute, value: 30, to: Date()) ?? Date()
+        completion(Timeline(entries: [entry], policy: .after(next)))
+    }
+}
+
+// MARK: - Week widget
+
+struct TimetableWeekWidget: Widget {
+    let kind: String = "TimetableWeekWidget"
+
+    var body: some WidgetConfiguration {
+        StaticConfiguration(kind: kind, provider: TimetableWeekProvider()) { entry in
+            TimetableWeekView(entry: entry).widgetContainerBackground()
+        }
+        .configurationDisplayName("Marianum · Woche")
+        .description("Stundenplan und Vertretungen für die ganze Schulwoche.")
+        .supportedFamilies([.systemMedium, .systemLarge, .systemExtraLarge])
+    }
+}
+
+struct TimetableWeekProvider: TimelineProvider {
+    func placeholder(in context: Context) -> TimetableEntry {
+        TimetableEntry.placeholder()
+    }
+
+    func getSnapshot(in context: Context, completion: @escaping (TimetableEntry) -> Void) {
+        completion(TimetableEntry.current(variant: .week))
+    }
+
+    func getTimeline(
+        in context: Context,
+        completion: @escaping (Timeline<TimetableEntry>) -> Void
+    ) {
+        let entry = TimetableEntry.current(variant: .week)
+        let next = Calendar.current.date(byAdding: .minute, value: 30, to: Date()) ?? Date()
+        completion(Timeline(entries: [entry], policy: .after(next)))
+    }
+}
+
+// MARK: - Entry
+
+enum TimetableVariant { case day, week }
+
+struct TimetableEntry: TimelineEntry {
+    let date: Date
+    let variant: TimetableVariant
+    let data: WidgetTimetableData?
+    let isLoggedIn: Bool
+    let themeMode: String
+
+    static func placeholder() -> TimetableEntry {
+        TimetableEntry(
+            date: Date(),
+            variant: .day,
+            data: nil,
+            isLoggedIn: true,
+            themeMode: "system"
+        )
+    }
+
+    static func current(variant: TimetableVariant) -> TimetableEntry {
+        let isLoggedIn = WidgetDataLoader.isLoggedIn()
+        let data = isLoggedIn
+            ? (variant == .day ? WidgetDataLoader.loadDay() : WidgetDataLoader.loadWeek())
+            : nil
+        return TimetableEntry(
+            date: Date(),
+            variant: variant,
+            data: data,
+            isLoggedIn: isLoggedIn,
+            themeMode: WidgetDataLoader.themeMode()
+        )
+    }
+}
+
+extension View {
+    @ViewBuilder
+    func widgetThemeOverride(_ mode: String) -> some View {
+        switch mode {
+        case "light": self.environment(\.colorScheme, .light)
+        case "dark": self.environment(\.colorScheme, .dark)
+        default: self
+        }
+    }
+
+    /// `.containerBackground(_:for:)` is iOS 17+. Older iOS uses the
+    /// implicit `.background(...)` model and renders fine without it.
+    @ViewBuilder
+    func widgetContainerBackground() -> some View {
+        if #available(iOS 17.0, *) {
+            self.containerBackground(.fill.tertiary, for: .widget)
+        } else {
+            self
+        }
+    }
+}

ios/TimetableWidgetExtension/WidgetData.swift

@@ -0,0 +1,128 @@
+import Foundation
+
+/// Mirrors lib/widget_data/widget_data.dart. JSON keys must stay in sync —
+/// the bridge is one-way: Dart writes, Swift reads.
+enum WidgetLessonStatus: String, Codable {
+    case regular
+    case ongoing
+    case past
+    case cancelled
+    case irregular
+    case teacherChanged
+    case event
+}
+
+struct WidgetLesson: Codable {
+    let start: Date
+    let end: Date
+    let subjectShort: String
+    let subjectLong: String?
+    let room: String?
+    let teacher: String?
+    let originalTeacher: String?
+    let status: WidgetLessonStatus
+    let customColor: String?
+    let siblingCount: Int?
+}
+
+struct WidgetPeriod: Codable {
+    let name: String
+    let startMinutes: Int
+    let endMinutes: Int
+    let virtualStartMinutes: Int
+    let virtualEndMinutes: Int
+}
+
+struct WidgetTimetableData: Codable {
+    let fetchedAt: Date
+    let anchorDate: Date
+    let lessons: [WidgetLesson]
+    let periods: [WidgetPeriod]
+    let isHoliday: Bool
+    let holidayName: String?
+}
+
+enum WidgetDataKey {
+    static let appGroupId = "group.eu.mhsl.marianum.mobile.client.widget"
+    static let dayData = "widget_data_day_v1"
+    static let weekData = "widget_data_week_v1"
+    static let loggedIn = "widget_data_logged_in_v1"
+    static let themeMode = "widget_setting_theme_mode_v1"
+}
+
+enum WidgetDataLoader {
+    /// Dart's `DateTime.toIso8601String()` on a non-UTC DateTime drops the
+    /// trailing Z and ships local wall-clock time. ISO8601DateFormatter's
+    /// default treats that as UTC and shifts every lesson by the local TZ
+    /// offset — dispatch by suffix instead, mirroring WidgetDataParser.kt.
+    private static func parseDartDate(_ raw: String) -> Date? {
+        let hasTzSuffix = raw.hasSuffix("Z")
+            || raw.range(of: #"[+-]\d{2}:?\d{2}$"#, options: .regularExpression) != nil
+        if hasTzSuffix {
+            let iso = ISO8601DateFormatter()
+            iso.formatOptions = [.withFullDate, .withFullTime, .withFractionalSeconds]
+            if let d = iso.date(from: raw) { return d }
+            iso.formatOptions = [.withFullDate, .withFullTime]
+            return iso.date(from: raw)
+        }
+        for pattern in [
+            "yyyy-MM-dd'T'HH:mm:ss.SSSSSS",
+            "yyyy-MM-dd'T'HH:mm:ss.SSS",
+            "yyyy-MM-dd'T'HH:mm:ss",
+        ] {
+            let f = DateFormatter()
+            f.dateFormat = pattern
+            f.timeZone = TimeZone.current
+            f.locale = Locale(identifier: "en_US_POSIX")
+            if let d = f.date(from: raw) { return d }
+        }
+        return nil
+    }
+
+    private static func decoder() -> JSONDecoder {
+        let dec = JSONDecoder()
+        dec.dateDecodingStrategy = .custom { decoder in
+            let container = try decoder.singleValueContainer()
+            let raw = try container.decode(String.self)
+            if let d = parseDartDate(raw) { return d }
+            throw DecodingError.dataCorruptedError(
+                in: container,
+                debugDescription: "Unparseable date: \(raw)"
+            )
+        }
+        return dec
+    }
+
+    static func loadDay() -> WidgetTimetableData? {
+        load(key: WidgetDataKey.dayData)
+    }
+
+    static func loadWeek() -> WidgetTimetableData? {
+        load(key: WidgetDataKey.weekData)
+    }
+
+    static func isLoggedIn() -> Bool {
+        let defaults = UserDefaults(suiteName: WidgetDataKey.appGroupId)
+        return defaults?.bool(forKey: WidgetDataKey.loggedIn) ?? false
+    }
+
+    /// "light" / "dark" / "system". The view's `.environment(\.colorScheme)`
+    /// reads this so the App's theme choice wins over the OS-level setting.
+    static func themeMode() -> String {
+        let defaults = UserDefaults(suiteName: WidgetDataKey.appGroupId)
+        return defaults?.string(forKey: WidgetDataKey.themeMode) ?? "system"
+    }
+
+    private static func load(key: String) -> WidgetTimetableData? {
+        guard let defaults = UserDefaults(suiteName: WidgetDataKey.appGroupId),
+              let raw = defaults.string(forKey: key),
+              let data = raw.data(using: .utf8) else {
+            return nil
+        }
+        do {
+            return try decoder().decode(WidgetTimetableData.self, from: data)
+        } catch {
+            return nil
+        }
+    }
+}

lib/api/apiError.dart

@@ -1,10 +0,0 @@
-class ApiError {
-  String message;
-
-  ApiError(this.message);
-
-  @override
-  String toString() {
-    return 'ApiError: $message';
-  }
-}

lib/api/apiParams.dart

@@ -1,3 +0,0 @@
-class ApiParams {
-
-}

lib/api/apiRequest.dart

@@ -1,5 +0,0 @@
-
-
-class ApiRequest {
-
-}

lib/api/api_error.dart

@@ -0,0 +1,8 @@
+class ApiError implements Exception {
+  String message;
+
+  ApiError(this.message);
+
+  @override
+  String toString() => 'ApiError: $message';
+}