fix: Add toast service to simplify creation of toasts

lib/app/app.dart

@@ -2,6 +2,7 @@ import 'package:revanced_manager/services/github_api.dart';
 import 'package:revanced_manager/services/manager_api.dart';
 import 'package:revanced_manager/services/patcher_api.dart';
 import 'package:revanced_manager/services/revanced_api.dart';
+import 'package:revanced_manager/services/toast.dart';
 import 'package:revanced_manager/ui/views/app_selector/app_selector_view.dart';
 import 'package:revanced_manager/ui/views/contributors/contributors_view.dart';
 import 'package:revanced_manager/ui/views/home/home_viewmodel.dart';
@@ -36,6 +37,7 @@ import 'package:stacked_services/stacked_services.dart';
     LazySingleton(classType: PatcherAPI),
     LazySingleton(classType: RevancedAPI),
     LazySingleton(classType: GithubAPI),
+    LazySingleton(classType: Toast),
   ],
 )
 class AppSetup {}

lib/services/toast.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_i18n/flutter_i18n.dart';
+import 'package:fluttertoast/fluttertoast.dart' as t;
+
+class Toast {
+  final t.FToast _fToast = t.FToast();
+  late BuildContext buildContext;
+
+  void initialize(BuildContext context) {
+    _fToast.init(context);
+  }
+
+  void show(String text) {
+    t.Fluttertoast.showToast(
+      msg: FlutterI18n.translate(
+        _fToast.context!,
+        text,
+      ),
+      toastLength: t.Toast.LENGTH_LONG,
+      gravity: t.ToastGravity.CENTER,
+    );
+  }
+}

lib/ui/views/app_selector/app_selector_viewmodel.dart

@@ -2,16 +2,16 @@ import 'dart:io';
 import 'package:device_apps/device_apps.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_i18n/flutter_i18n.dart';
-import 'package:fluttertoast/fluttertoast.dart';
 import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/models/patched_application.dart';
 import 'package:revanced_manager/services/patcher_api.dart';
+import 'package:revanced_manager/services/toast.dart';
 import 'package:revanced_manager/ui/views/patcher/patcher_viewmodel.dart';
 import 'package:stacked/stacked.dart';
 
 class AppSelectorViewModel extends BaseViewModel {
   final PatcherAPI _patcherAPI = locator<PatcherAPI>();
+  final Toast _toast = locator<Toast>();
   final List<ApplicationWithIcon> apps = [];
   bool noApps = false;
 
@@ -61,14 +61,7 @@ class AppSelectorViewModel extends BaseViewModel {
         }
       }
     } on Exception {
-      Fluttertoast.showToast(
-        msg: FlutterI18n.translate(
-          context,
-          'appSelectorView.errorMessage',
-        ),
-        toastLength: Toast.LENGTH_LONG,
-        gravity: ToastGravity.CENTER,
-      );
+      _toast.show('appSelectorView.errorMessage');
     }
   }
 

lib/ui/views/home/home_viewmodel.dart

@@ -6,13 +6,13 @@ import 'package:device_apps/device_apps.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_i18n/flutter_i18n.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
-import 'package:fluttertoast/fluttertoast.dart';
 import 'package:injectable/injectable.dart';
 import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/app/app.router.dart';
 import 'package:revanced_manager/models/patched_application.dart';
 import 'package:revanced_manager/services/manager_api.dart';
 import 'package:revanced_manager/services/patcher_api.dart';
+import 'package:revanced_manager/services/toast.dart';
 import 'package:revanced_manager/ui/views/navigation/navigation_viewmodel.dart';
 import 'package:revanced_manager/ui/views/patcher/patcher_viewmodel.dart';
 import 'package:revanced_manager/ui/widgets/installerView/custom_material_button.dart';
@@ -25,6 +25,7 @@ class HomeViewModel extends BaseViewModel {
   final NavigationService _navigationService = locator<NavigationService>();
   final ManagerAPI _managerAPI = locator<ManagerAPI>();
   final PatcherAPI _patcherAPI = locator<PatcherAPI>();
+  final Toast _toast = locator<Toast>();
   final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
   DateTime? _lastUpdate;
   bool showUpdatableApps = true;
@@ -45,14 +46,7 @@ class HomeViewModel extends BaseViewModel {
         ?.requestPermission();
     bool isConnected = await Connectivity().checkConnection();
     if (!isConnected) {
-      Fluttertoast.showToast(
-        msg: FlutterI18n.translate(
-          context,
-          'homeView.noConnection',
-        ),
-        toastLength: Toast.LENGTH_LONG,
-        gravity: ToastGravity.CENTER,
-      );
+      _toast.show('homeView.noConnection');
     }
     _getPatchedApps();
     _managerAPI.reAssessSavedApps().then((_) => _getPatchedApps());
@@ -109,14 +103,7 @@ class HomeViewModel extends BaseViewModel {
 
   Future<void> updateManager(BuildContext context) async {
     try {
-      Fluttertoast.showToast(
-        msg: FlutterI18n.translate(
-          context,
-          'homeView.downloadingMessage',
-        ),
-        toastLength: Toast.LENGTH_LONG,
-        gravity: ToastGravity.CENTER,
-      );
+      _toast.show('homeView.downloadingMessage');
       File? managerApk = await _managerAPI.downloadManager();
       if (managerApk != null) {
         await flutterLocalNotificationsPlugin.zonedSchedule(
@@ -143,34 +130,13 @@ class HomeViewModel extends BaseViewModel {
           uiLocalNotificationDateInterpretation:
               UILocalNotificationDateInterpretation.absoluteTime,
         );
-        Fluttertoast.showToast(
-          msg: FlutterI18n.translate(
-            context,
-            'homeView.installingMessage',
-          ),
-          toastLength: Toast.LENGTH_LONG,
-          gravity: ToastGravity.CENTER,
-        );
+        _toast.show('homeView.installingMessage');
         await AppInstaller.installApk(managerApk.path);
       } else {
-        Fluttertoast.showToast(
-          msg: FlutterI18n.translate(
-            context,
-            'homeView.errorDownloadMessage',
-          ),
-          toastLength: Toast.LENGTH_LONG,
-          gravity: ToastGravity.CENTER,
-        );
+        _toast.show('homeView.errorDownloadMessage');
       }
     } on Exception {
-      Fluttertoast.showToast(
-        msg: FlutterI18n.translate(
-          context,
-          'homeView.errorInstallMessage',
-        ),
-        toastLength: Toast.LENGTH_LONG,
-        gravity: ToastGravity.CENTER,
-      );
+      _toast.show('homeView.errorInstallMessage');
     }
   }
 

lib/ui/views/installer/installer_viewmodel.dart

@@ -3,13 +3,13 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_background/flutter_background.dart';
 import 'package:flutter_i18n/flutter_i18n.dart';
-import 'package:fluttertoast/fluttertoast.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/models/patch.dart';
 import 'package:revanced_manager/models/patched_application.dart';
 import 'package:revanced_manager/services/manager_api.dart';
 import 'package:revanced_manager/services/patcher_api.dart';
+import 'package:revanced_manager/services/toast.dart';
 import 'package:revanced_manager/ui/views/patcher/patcher_viewmodel.dart';
 import 'package:revanced_manager/ui/widgets/installerView/custom_material_button.dart';
 import 'package:stacked/stacked.dart';
@@ -18,6 +18,7 @@ import 'package:wakelock/wakelock.dart';
 class InstallerViewModel extends BaseViewModel {
   final ManagerAPI _managerAPI = locator<ManagerAPI>();
   final PatcherAPI _patcherAPI = locator<PatcherAPI>();
+  final Toast _toast = locator<Toast>();
   final PatchedApplication _app = locator<PatcherViewModel>().selectedApp!;
   final List<Patch> _patches = locator<PatcherViewModel>().selectedPatches;
   static const _installerChannel = MethodChannel(
@@ -219,14 +220,7 @@ class InstallerViewModel extends BaseViewModel {
 
   Future<bool> onWillPop(BuildContext context) async {
     if (isPatching) {
-      Fluttertoast.showToast(
-        msg: FlutterI18n.translate(
-          context,
-          'installerView.noExit',
-        ),
-        toastLength: Toast.LENGTH_LONG,
-        gravity: ToastGravity.CENTER,
-      );
+      _toast.show('installerView.noExit');
       return false;
     }
     cleanPatcher();

lib/ui/views/navigation/navigation_viewmodel.dart

@@ -4,7 +4,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:injectable/injectable.dart';
 import 'package:permission_handler/permission_handler.dart';
+import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/services/root_api.dart';
+import 'package:revanced_manager/services/toast.dart';
 import 'package:revanced_manager/ui/views/home/home_view.dart';
 import 'package:revanced_manager/ui/views/patcher/patcher_view.dart';
 import 'package:revanced_manager/ui/views/settings/settings_view.dart';
@@ -14,6 +16,7 @@ import 'package:stacked/stacked.dart';
 @lazySingleton
 class NavigationViewModel extends IndexTrackingViewModel {
   void initialize(BuildContext context) async {
+    locator<Toast>().initialize(context);
     SharedPreferences prefs = await SharedPreferences.getInstance();
     if (prefs.getBool('permissionsRequested') == null) {
       await prefs.setBool('permissionsRequested', true);