feat(updater): download successful dialog (#938)

assets/i18n/en_US.json

@@ -24,11 +24,13 @@
         "WIP": "Work in progress...",
         "noInstallations": "No patched applications installed",
         "installed": "Installed",
+        "installUpdate": "Continue to install the update?",
         "updateDialogTitle": "Update Manager",
         "updateChangelogTitle": "Changelog",
         "notificationTitle": "Update downloaded",
         "notificationText": "Tap to install the update",
         "downloadingMessage": "Downloading update...",
+        "downloadedMessage": "Update downloaded!",
         "installingMessage": "Installing update...",
         "errorDownloadMessage": "Unable to download update",
         "errorInstallMessage": "Unable to install update",

lib/services/revanced_api.dart

@@ -170,6 +170,7 @@ class RevancedAPI {
 
         updateManagerDownloadProgress(progress);
       } else if (result is FileInfo) {
+        disposeManagerUpdateProgress();
         // The download is complete; convert the FileInfo object to a File object
         outputFile = File(result.file.path);
       }

lib/ui/views/home/home_viewmodel.dart

@@ -1,7 +1,6 @@
 // ignore_for_file: use_build_context_synchronously
 import 'dart:async';
 import 'dart:io';
-
 import 'package:app_installer/app_installer.dart';
 import 'package:cross_connectivity/cross_connectivity.dart';
 import 'package:flutter/foundation.dart';
@@ -39,6 +38,7 @@ class HomeViewModel extends BaseViewModel {
   List<PatchedApplication> patchedInstalledApps = [];
   List<PatchedApplication> patchedUpdatableApps = [];
   String? _latestManagerVersion = '';
+  File? downloadedApk;
 
   Future<void> initialize(BuildContext context) async {
     _latestManagerVersion = await _managerAPI.getLatestManagerVersion();
@@ -162,14 +162,20 @@ class HomeViewModel extends BaseViewModel {
   }
 
   Future<void> updateManager(BuildContext context) async {
+    final ValueNotifier<bool> downloaded = ValueNotifier(false);
     try {
       _toast.showBottom('homeView.downloadingMessage');
       showDialog(
         context: context,
-        builder: (context) => SimpleDialog(
+        builder: (context) => ValueListenableBuilder(
+          valueListenable: downloaded,
+          builder: (context, value, child) {
+            return SimpleDialog(
               contentPadding: const EdgeInsets.all(16.0),
               title: I18nText(
-            'homeView.downloadingMessage',
+                !value
+                    ? 'homeView.downloadingMessage'
+                    : 'homeView.downloadedMessage',
                 child: Text(
                   '',
                   style: TextStyle(
@@ -200,6 +206,10 @@ class HomeViewModel extends BaseViewModel {
                       ],
                     ),
                     const SizedBox(height: 16.0),
+                    if (!value)
+                      Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
                           StreamBuilder<double>(
                             initialData: 0.0,
                             stream: _revancedAPI.managerUpdateProgress.stream,
@@ -225,11 +235,61 @@ class HomeViewModel extends BaseViewModel {
                           ),
                         ],
                       ),
+                    if (value)
+                      Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          I18nText(
+                            'homeView.installUpdate',
+                            child: Text(
+                              '',
+                              style: TextStyle(
+                                fontSize: 20,
+                                fontWeight: FontWeight.w500,
+                                color: Theme.of(context).colorScheme.secondary,
+                              ),
+                            ),
+                          ),
+                          const SizedBox(height: 16.0),
+                          Row(
+                            mainAxisAlignment: MainAxisAlignment.end,
+                            children: [
+                              Align(
+                                alignment: Alignment.centerRight,
+                                child: CustomMaterialButton(
+                                  isFilled: false,
+                                  label: I18nText('cancelButton'),
+                                  onPressed: () {
+                                    Navigator.of(context).pop();
+                                  },
+                                ),
+                              ),
+                              const SizedBox(width: 8.0),
+                              Align(
+                                alignment: Alignment.centerRight,
+                                child: CustomMaterialButton(
+                                  label: I18nText('updateButton'),
+                                  onPressed: () async {
+                                    await AppInstaller.installApk(
+                                        downloadedApk!.path,);
+                                  },
+                                ),
+                              ),
                             ],
                           ),
+                        ],
+                      ),
+                  ],
+                ),
+              ],
+            );
+          },
+        ),
       );
       final File? managerApk = await downloadManager();
       if (managerApk != null) {
+        downloaded.value = true;
+        downloadedApk = managerApk;
         // await flutterLocalNotificationsPlugin.zonedSchedule(
         //   0,
         //   FlutterI18n.translate(