diff --git a/.metadata b/.metadata
index 9e70ade..aa90aa8 100644
--- a/.metadata
+++ b/.metadata
@@ -1,11 +1,11 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled.
+# This file should be version controlled and should not be manually edited.
 
 version:
-  revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-  channel: stable
+  revision: "ba393198430278b6595976de84fe170f553cc728"
+  channel: "stable"
 
 project_type: app
 
@@ -13,26 +13,26 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-      base_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
     - platform: android
-      create_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-      base_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
     - platform: ios
-      create_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-      base_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
     - platform: linux
-      create_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-      base_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
     - platform: macos
-      create_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-      base_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
     - platform: web
-      create_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-      base_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
     - platform: windows
-      create_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
-      base_revision: 52b3dc25f6471c27b2144594abb11c741cb88f57
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
 
   # User provided section
 
diff --git a/android/app/build.gradle b/android/app/build.gradle
index 82b91e3..22e7515 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -1,3 +1,9 @@
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    id "dev.flutter.flutter-gradle-plugin"
+}
+
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -6,11 +12,6 @@ if (localPropertiesFile.exists()) {
     }
 }
 
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
 if (flutterVersionCode == null) {
     flutterVersionCode = '1'
@@ -21,13 +22,9 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'com.google.gms.google-services'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 android {
-    compileSdkVersion flutter.compileSdkVersion
+    namespace "eu.mhsl.marianum.mobile.client"
+    compileSdk flutter.compileSdkVersion
     ndkVersion flutter.ndkVersion
 
     compileOptions {
@@ -35,16 +32,23 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
     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-build-configuration.
+        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
         minSdkVersion 19
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        multiDexEnabled true
     }
 
     buildTypes {
@@ -59,3 +63,5 @@ android {
 flutter {
     source '../..'
 }
+
+dependencies {}
diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml
index 7ac7ebe..399f698 100644
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="eu.mhsl.marianum.mobile.client">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 230aa28..3c24865 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,6 +1,5 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="eu.mhsl.marianum.mobile.client">
-   <application
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
         android:label="Marianum Fulda"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
@@ -31,5 +30,16 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
+    <!-- Required to query activities that can process text, see:
+         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
+
+         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.PROCESS_TEXT"/>
+            <data android:mimeType="text/plain"/>
+        </intent>
+    </queries>
     <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>
diff --git a/android/app/src/main/java/eu/mhsl/marianum/mobile/client/MainActivity.java b/android/app/src/main/java/eu/mhsl/marianum/mobile/client/MainActivity.java
deleted file mode 100644
index 3f2d75f..0000000
--- a/android/app/src/main/java/eu/mhsl/marianum/mobile/client/MainActivity.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package eu.mhsl.marianum.mobile.client;
-
-import io.flutter.embedding.android.FlutterActivity;
-
-public class MainActivity extends FlutterActivity {
-}
diff --git a/android/app/src/main/kotlin/com/example/client/MainActivity.kt b/android/app/src/main/kotlin/com/example/client/MainActivity.kt
new file mode 100644
index 0000000..a994680
--- /dev/null
+++ b/android/app/src/main/kotlin/com/example/client/MainActivity.kt
@@ -0,0 +1,5 @@
+package com.example.client
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity()
diff --git a/android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/MainActivity.kt b/android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/MainActivity.kt
new file mode 100644
index 0000000..5e1f387
--- /dev/null
+++ b/android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/MainActivity.kt
@@ -0,0 +1,5 @@
+package eu.mhsl.marianum.mobile.client
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity()
diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml
index 7ac7ebe..399f698 100644
--- a/android/app/src/profile/AndroidManifest.xml
+++ b/android/app/src/profile/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="eu.mhsl.marianum.mobile.client">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/build.gradle b/android/build.gradle
index ff42463..bc157bd 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,18 +1,3 @@
-buildscript {
-    ext.kotlin_version = '1.8.0'
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:7.4.2'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.google.gms:google-services:4.3.15'
-        classpath 'androidx.multidex:multidex:2.0.1'
-    }
-}
-
 allprojects {
     repositories {
         google()
diff --git a/android/gradle.properties b/android/gradle.properties
index 94adc3a..598d13f 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,3 +1,3 @@
-org.gradle.jvmargs=-Xmx1536M
+org.gradle.jvmargs=-Xmx4G
 android.useAndroidX=true
 android.enableJetifier=true
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 30b5cb4..5083229 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Oct 18 21:35:48 CEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/android/settings.gradle b/android/settings.gradle
index 44e62bc..1d6d19b 100644
--- a/android/settings.gradle
+++ b/android/settings.gradle
@@ -1,11 +1,26 @@
-include ':app'
+pluginManagement {
+    def flutterSdkPath = {
+        def properties = new Properties()
+        file("local.properties").withInputStream { properties.load(it) }
+        def flutterSdkPath = properties.getProperty("flutter.sdk")
+        assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+        return flutterSdkPath
+    }
+    settings.ext.flutterSdkPath = flutterSdkPath()
 
-def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
-def properties = new Properties()
+    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")
 
-assert localPropertiesFile.exists()
-localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
 
-def flutterSdkPath = properties.getProperty("flutter.sdk")
-assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+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
+}
+
+include ":app"
diff --git a/ios/RunnerTests/RunnerTests.swift b/ios/RunnerTests/RunnerTests.swift
new file mode 100644
index 0000000..86a7c3b
--- /dev/null
+++ b/ios/RunnerTests/RunnerTests.swift
@@ -0,0 +1,12 @@
+import Flutter
+import UIKit
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
diff --git a/macos/RunnerTests/RunnerTests.swift b/macos/RunnerTests/RunnerTests.swift
new file mode 100644
index 0000000..5418c9f
--- /dev/null
+++ b/macos/RunnerTests/RunnerTests.swift
@@ -0,0 +1,12 @@
+import FlutterMacOS
+import Cocoa
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
diff --git a/web/index.html b/web/index.html
index 3c972c9..58cee3c 100644
--- a/web/index.html
+++ b/web/index.html
@@ -51,6 +51,8 @@
   
   
   
+  
+  
   <style id="splash-screen-style">
     html {
       height: 100%
@@ -128,6 +130,7 @@
   
   
   
+  
     
   <script>
     window.addEventListener('load', function(ev) {