Added settings page

lib/main.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/pages/home.dart';
 import 'package:obtainium/services/apps_provider.dart';
+import 'package:obtainium/services/settings_provider.dart';
 import 'package:obtainium/services/source_service.dart';
 import 'package:provider/provider.dart';
 import 'package:workmanager/workmanager.dart';
@@ -16,8 +17,8 @@ void backgroundUpdateCheck() {
       String message = updates.length == 1
           ? '${updates[0].name} has an update.'
           : '${(updates.length == 2 ? '${updates[0].name} and ${updates[1].name}' : '${updates[0].name} and ${updates.length - 1} more apps')} have updates.';
-      appsProvider.downloaderNotifications.cancel(2);
-      appsProvider.notify(
+      await appsProvider.downloaderNotifications.cancel(2);
+      await appsProvider.notify(
           2,
           'Updates Available',
           message,
@@ -45,7 +46,10 @@ void main() async {
       initialDelay: const Duration(minutes: 15),
       constraints: Constraints(networkType: NetworkType.connected));
   runApp(MultiProvider(
-    providers: [ChangeNotifierProvider(create: (context) => AppsProvider())],
+    providers: [
+      ChangeNotifierProvider(create: (context) => AppsProvider()),
+      ChangeNotifierProvider(create: (context) => SettingsProvider())
+    ],
     child: const MyApp(),
   ));
 }
@@ -59,9 +63,34 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return DynamicColorBuilder(
         builder: (ColorScheme? lightDynamic, ColorScheme? darkDynamic) {
+      // Initialize the settings provider (if needed) and perform first-run actions if needed
+      SettingsProvider settingsProvider = context.watch<SettingsProvider>();
+      if (settingsProvider.prefs == null) {
+        settingsProvider.initializeSettings().then((_) {
+          bool isFirstRun = settingsProvider.checkAndFlipFirstRun();
+          if (isFirstRun) {
+            AppsProvider appsProvider = context.read<AppsProvider>();
+            appsProvider
+                .notify(
+                    3,
+                    'Permission Notification',
+                    'This is a transient notification used to trigger the Android 13 notification permission prompt',
+                    'PERMISSION_NOTIFICATION',
+                    'Permission Notifications',
+                    'A transient notification used to trigger the Android 13 notification permission prompt',
+                    important: false)
+                .whenComplete(() {
+              appsProvider.downloaderNotifications.cancel(3);
+            });
+          }
+        });
+      }
+
       ColorScheme lightColorScheme;
       ColorScheme darkColorScheme;
-      if (lightDynamic != null && darkDynamic != null) {
+      if (lightDynamic != null &&
+          darkDynamic != null &&
+          settingsProvider.colour == ColourSettings.materialYou) {
         lightColorScheme = lightDynamic.harmonized();
         darkColorScheme = darkDynamic.harmonized();
       } else {
@@ -74,10 +103,15 @@ class MyApp extends StatelessWidget {
           title: 'Obtainium',
           theme: ThemeData(
               useMaterial3: true,
-              colorScheme: lightColorScheme,
+              colorScheme: settingsProvider.theme == ThemeSettings.dark
+                  ? darkColorScheme
+                  : lightColorScheme,
               fontFamily: 'Metropolis'),
-          darkTheme:
-              ThemeData(useMaterial3: true, colorScheme: darkColorScheme),
+          darkTheme: ThemeData(
+              useMaterial3: true,
+              colorScheme: settingsProvider.theme == ThemeSettings.light
+                  ? lightColorScheme
+                  : darkColorScheme),
           home: const HomePage());
     });
   }

lib/pages/settings.dart

@@ -1,4 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:obtainium/services/settings_provider.dart';
+import 'package:provider/provider.dart';
+import 'package:url_launcher/url_launcher_string.dart';
 
 class SettingsPage extends StatefulWidget {
   const SettingsPage({super.key});
@@ -10,11 +13,74 @@ class SettingsPage extends StatefulWidget {
 class _SettingsPageState extends State<SettingsPage> {
   @override
   Widget build(BuildContext context) {
-    return Center(
-        child: Text(
-      'No Configurable Settings Yet.',
-      style: Theme.of(context).textTheme.bodyLarge,
-      textAlign: TextAlign.center,
-    ));
+    SettingsProvider settingsProvider = context.watch<SettingsProvider>();
+    if (settingsProvider.prefs == null) {
+      settingsProvider.initializeSettings();
+    }
+    return Padding(
+        padding: const EdgeInsets.all(16),
+        child: settingsProvider.prefs == null
+            ? Container()
+            : Column(
+                children: [
+                  DropdownButtonFormField(
+                      decoration: const InputDecoration(labelText: 'Theme'),
+                      value: settingsProvider.theme,
+                      items: const [
+                        DropdownMenuItem(
+                          value: ThemeSettings.dark,
+                          child: Text('Dark'),
+                        ),
+                        DropdownMenuItem(
+                          value: ThemeSettings.light,
+                          child: Text('Light'),
+                        ),
+                        DropdownMenuItem(
+                          value: ThemeSettings.system,
+                          child: Text('Follow System'),
+                        )
+                      ],
+                      onChanged: (value) {
+                        if (value != null) {
+                          settingsProvider.theme = value;
+                        }
+                      }),
+                  const SizedBox(
+                    height: 16,
+                  ),
+                  DropdownButtonFormField(
+                      decoration: const InputDecoration(labelText: 'Colour'),
+                      value: settingsProvider.colour,
+                      items: const [
+                        DropdownMenuItem(
+                          value: ColourSettings.basic,
+                          child: Text('Obtainium'),
+                        ),
+                        DropdownMenuItem(
+                          value: ColourSettings.materialYou,
+                          child: Text('Material You'),
+                        )
+                      ],
+                      onChanged: (value) {
+                        if (value != null) {
+                          settingsProvider.colour = value;
+                        }
+                      }),
+                  const Spacer(),
+                  Row(
+                    mainAxisAlignment: MainAxisAlignment.end,
+                    children: [
+                      ElevatedButton.icon(
+                        onPressed: () {
+                          launchUrlString(settingsProvider.sourceUrl,
+                              mode: LaunchMode.externalApplication);
+                        },
+                        icon: const Icon(Icons.code),
+                        label: const Text('Source'),
+                      )
+                    ],
+                  ),
+                ],
+              ));
   }
 }

lib/services/apps_provider.dart

@@ -51,7 +51,8 @@ class AppsProvider with ChangeNotifier {
   }
 
   Future<void> notify(int id, String title, String message, String channelCode,
-      String channelName, String channelDescription) {
+      String channelName, String channelDescription,
+      {bool important = true}) {
     return downloaderNotifications.show(
         id,
         title,
@@ -59,8 +60,8 @@ class AppsProvider with ChangeNotifier {
         NotificationDetails(
             android: AndroidNotificationDetails(channelCode, channelName,
                 channelDescription: channelDescription,
-                importance: Importance.max,
-                priority: Priority.max,
+                importance: important ? Importance.max : Importance.min,
+                priority: important ? Priority.max : Priority.min,
                 groupKey: 'dev.imranr.obtainium.$channelCode')));
   }
 
@@ -98,6 +99,7 @@ class AppsProvider with ChangeNotifier {
     }
 
     if (!isForeground) {
+      await downloaderNotifications.cancel(1);
       await notify(
           1,
           'Complete App Installation',

lib/services/settings_provider.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+enum ThemeSettings { system, light, dark }
+
+enum ColourSettings { basic, materialYou }
+
+class SettingsProvider with ChangeNotifier {
+  SharedPreferences? prefs;
+
+  String sourceUrl = 'https://github.com/ImranR98/Obtainium';
+
+  // Not done in constructor as we want to be able to await it
+  Future<void> initializeSettings() async {
+    prefs = await SharedPreferences.getInstance();
+    notifyListeners();
+  }
+
+  ThemeSettings get theme {
+    return ThemeSettings
+        .values[prefs?.getInt('theme') ?? ThemeSettings.system.index];
+  }
+
+  set theme(ThemeSettings t) {
+    print(t);
+    prefs?.setInt('theme', t.index);
+    notifyListeners();
+  }
+
+  ColourSettings get colour {
+    return ColourSettings
+        .values[prefs?.getInt('colour') ?? ColourSettings.basic.index];
+  }
+
+  set colour(ColourSettings t) {
+    prefs?.setInt('colour', t.index);
+    notifyListeners();
+  }
+
+  checkAndFlipFirstRun() {
+    bool result = prefs?.getBool('firstRun') ?? true;
+    if (result) {
+      prefs?.setBool('firstRun', false);
+    }
+    return result;
+  }
+}