Refactor codebase resolving warnings and remove self-package imports

lib/view/settings/settings.dart

@@ -0,0 +1,192 @@
+
+import 'package:flutter/material.dart';
+import 'package:package_info/package_info.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import '../../model/accountModel.dart';
+import '../../model/appTheme.dart';
+import 'debug/debugOverview.dart';
+
+class Settings extends StatefulWidget {
+  const Settings({Key? key}) : super(key: key);
+
+  @override
+  State<Settings> createState() => _SettingsState();
+}
+
+class _SettingsState extends State<Settings> {
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  bool developerMode = false;
+
+  @override
+  Widget build(BuildContext context) {
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("Einstellungen"),
+      ),
+      body: ListView(
+        children: [
+
+          ListTile(
+            leading: const Icon(Icons.logout_outlined),
+            title: const Text("Konto abmelden"),
+            onTap: () {
+              showDialog(
+                context: context,
+                builder: (context) {
+                  return AlertDialog(
+                    title: const Text("Abmelden?"),
+                    content: const Text("Möchtest du dich wirklich abmelden?"),
+                    actions: [
+                      TextButton(
+                          child: const Text("Abmelden"),
+                          onPressed: () {
+                            SharedPreferences.getInstance().then((value) => {
+                              value.clear(),
+                            }).then((value) => {
+                              Provider.of<AccountModel>(context, listen: false).logout(),
+                              Navigator.popUntil(context, (route) => !Navigator.canPop(context)),
+                            });
+                          }
+                      ),
+
+                      TextButton(
+                        child: const Text("Abbrechen"),
+                        onPressed: () {
+                          Navigator.pop(context);
+                        },
+                      ),
+                    ],
+                  );
+                },
+              );
+            },
+          ),
+
+          const Divider(),
+
+          Consumer<AppTheme>(
+            builder: (context, value, child) {
+              return ListTile(
+                leading: const Icon(Icons.dark_mode_outlined),
+                title: const Text("Farbgebung"),
+                trailing: DropdownButton<ThemeMode>(
+                  value: value.getMode,
+                  icon: const Icon(Icons.arrow_drop_down),
+                  items: ThemeMode.values.map((e) => DropdownMenuItem<ThemeMode>(
+                    value: e,
+                    enabled: e != value.getMode,
+                    child: Row(
+                      children: [
+                        Icon(AppTheme.getDisplayOptions(e).icon),
+                        const SizedBox(width: 10),
+                        Text(AppTheme.getDisplayOptions(e).displayName),
+                      ],
+                    ),
+                  )).toList(),
+                  onChanged: (e) {
+                    Provider.of<AppTheme>(context, listen: false).setTheme(e ?? ThemeMode.system);
+                  },
+                ),
+              );
+            },
+          ),
+
+          const Divider(),
+
+          ListTile(
+            leading: const Icon(Icons.live_help_outlined),
+            title: const Text("Informationen und Lizenzen"),
+            onTap: () async {
+              final appInfo = await PackageInfo.fromPlatform();
+
+              if(!context.mounted) return; // TODO Fix context used in async
+              showAboutDialog(
+                context: context,
+                applicationIcon: const Icon(Icons.apps),
+                applicationName: "MarianumMobile",
+                applicationVersion: "${appInfo.appName}\n\nPackage: ${appInfo.packageName}\n\nVersion: ${appInfo.version}\nBuild: ${appInfo.buildNumber}",
+                applicationLegalese: "Dies ist ein Inoffizieller Nextcloud & Webuntis Client und wird nicht vom Marianum selbst betrieben.\n"
+                    "Keinerlei Gewähr für Vollständigkeit, Richtigkeit und Aktualität!\n\n"
+                    "Development build\n"
+                    "Marianum Fulda 2023 Elias Müller",
+              );
+            },
+            trailing: const Icon(Icons.arrow_right),
+          ),
+
+          ListTile(
+            leading: const Icon(Icons.policy_outlined),
+            title: const Text("Datenschutz"),
+            onTap: () {
+              launchUrl(Uri.parse("https://mhsl.eu/datenschutz.html"));
+            },
+            trailing: const Icon(Icons.open_in_new),
+          ),
+
+          ListTile(
+            leading: const Icon(Icons.badge_outlined),
+            title: const Text("Impressum"),
+            onTap: () {
+              launchUrl(Uri.parse("https://mhsl.eu/id.html"));
+            },
+            trailing: const Icon(Icons.open_in_new),
+          ),
+
+          const Divider(),
+
+          ListTile(
+            leading: const Icon(Icons.developer_mode_outlined),
+            title: const Text("Entwicklermodus"),
+            trailing: Checkbox(
+              visualDensity: const VisualDensity(horizontal: VisualDensity.minimumDensity),
+              value: developerMode,
+              onChanged: (state) {
+                setState(() {
+                  developerMode = !developerMode;
+                });
+              },
+            ),
+          ),
+
+          Visibility(
+            visible: developerMode,
+            child: ListTile(
+              leading: const Icon(Icons.data_object),
+              title: const Text("Storage view"),
+              onTap: () {
+                Navigator.push(context, MaterialPageRoute(builder: (context) {
+                  return const DebugOverview();
+                }));
+              },
+              trailing: const Icon(Icons.arrow_right),
+            ),
+          ),
+
+          Visibility(
+            visible: developerMode && false, // TODO Implement verbose logging
+            child: ListTile(
+              leading: const Icon(Icons.logo_dev),
+              title: const Text("Logging verbosity"),
+              trailing: DropdownButton<String>(
+                value: "1",
+                items: ["1", "2", "3"].map((e) => DropdownMenuItem<String>(value: e, child: Text(e))).toList(),
+                onChanged: (e) {
+
+                },
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}