Replace updater permission check

- Use permission_handler package to check for InstallPackages permission instead of custom java implementation
- Show toast notification when user denied permission

android/app/build.gradle

@@ -74,7 +74,7 @@ android {
         }
         debug {
             applicationIdSuffix '.debug'
-            versionNameSuffix ' DEBUG'
+            versionNameSuffix '-debug'
         }
     }
 

android/app/src/main/java/r/r/refreezer/MainActivity.java

@@ -219,18 +219,7 @@ public class MainActivity extends AudioServiceActivity {
                 result.success(null);
                 return;
             }
-            // Check if can request package install permission
-            if (call.method.equals("checkInstallPackagesPermission")) {
-                result.success(canRequestPackageInstalls());
-                return;
-            }
-            // Request package install permission
-            if (call.method.equals("requestInstallPackagesPermission")) {
-                requestInstallPackagesPermission();
-                result.success(true);
-                return;
-            }
-
+            
             result.error("0", "Not implemented!", "Not implemented!");
         }));
 
@@ -249,19 +238,6 @@ public class MainActivity extends AudioServiceActivity {
         }));
     }
 
-    private boolean canRequestPackageInstalls() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            return getPackageManager().canRequestPackageInstalls();
-        }
-        return true;
-    }
-
-    private void requestInstallPackagesPermission() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            startActivity(new Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES, Uri.parse("package:" + getPackageName())));
-        }
-    }
-
     //Start/Bind/Reconnect to download service
     private void connectService() {
         if (serviceBound)

lib/languages/en_us.dart

@@ -444,5 +444,9 @@ const language_en_us = {
 
     // 0.7.13
     'Download failed!': 'Download failed!',
+
+    // 0.7.14
+    'Permission denied, download canceled!':
+        'Permission denied, download canceled!',
   }
 };

lib/ui/updater.dart

@@ -3,7 +3,6 @@ import 'dart:io';
 
 import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:fluttertoast/fluttertoast.dart';
@@ -13,6 +12,7 @@ import 'package:open_filex/open_filex.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:path/path.dart' as p;
 import 'package:path_provider/path_provider.dart';
+import 'package:permission_handler/permission_handler.dart';
 
 import '../api/cache.dart';
 import '../api/download.dart';
@@ -29,7 +29,6 @@ class UpdaterScreen extends StatefulWidget {
 }
 
 class _UpdaterScreenState extends State<UpdaterScreen> {
-  static const MethodChannel _platform = MethodChannel('r.r.refreezer/native');
   bool _loading = true;
   bool _error = false;
   ReFreezerLatest? _latestRelease;
@@ -38,27 +37,22 @@ class _UpdaterScreenState extends State<UpdaterScreen> {
   double _progress = 0.0;
   bool _buttonEnabled = true;
 
-  static Future<bool> _checkInstallPackagesPermission() async {
-    try {
-      return await _platform.invokeMethod('checkInstallPackagesPermission');
-    } catch (e) {
-      Logger.root.severe('Failed to check install packages permission', e);
-      return false;
-    }
-  }
-
-  static Future<void> _requestInstallPackagesPermission() async {
-    try {
-      await _platform.invokeMethod('requestInstallPackagesPermission');
-    } catch (e) {
-      Logger.root.severe('Failed to request install packages permission', e);
+  Future<bool> _hasInstallPackagesPermission() async {
+    if (await Permission.requestInstallPackages.isDenied) {
+      final status = await Permission.requestInstallPackages.request();
+      if (status.isGranted) {
+        return true;
+      } else {
+        return false;
+      }
     }
+    return true;
   }
 
   Future _load() async {
-    // Load current version (convert DEBUG mode to SemVer)
+    // Load current version
     PackageInfo info = await PackageInfo.fromPlatform();
-    String versionString = info.version.replaceFirst(' DEBUG', '-debug');
+    String versionString = info.version;
 
     // Parse the version string
     setState(() {
@@ -91,8 +85,16 @@ class _UpdaterScreenState extends State<UpdaterScreen> {
   }
 
   Future _download() async {
-    if (!await _checkInstallPackagesPermission()) {
-      await _requestInstallPackagesPermission();
+    if (!await _hasInstallPackagesPermission()) {
+      Fluttertoast.showToast(
+          msg: 'Permission denied, download canceled!'.i18n,
+          toastLength: Toast.LENGTH_LONG,
+          gravity: ToastGravity.BOTTOM);
+      setState(() {
+        _progress = 0.0;
+        _buttonEnabled = true;
+      });
+      return;
     }
 
     try {
@@ -203,10 +205,6 @@ class _UpdaterScreenState extends State<UpdaterScreen> {
                   const FreezerDivider(),
                   Padding(
                     padding: const EdgeInsets.fromLTRB(16, 4, 16, 8),
-                    /*child: Text(
-                      _latestRelease?.changelog ?? '',
-                      style: const TextStyle(fontSize: 16.0),
-                    ),*/
                     child: Container(
                       constraints: const BoxConstraints(
                           maxHeight: 350 // Screen Title height, ...
@@ -354,9 +352,9 @@ class ReFreezerLatest {
 
       AndroidNotificationDetails androidNotificationDetails =
           AndroidNotificationDetails(
-        'freezerupdates',
-        'Freezer Updates'.i18n,
-        channelDescription: 'Freezer Updates'.i18n,
+        'refreezerupdates',
+        'ReFreezer Updates'.i18n,
+        channelDescription: 'ReFreezer Updates'.i18n,
         importance: Importance.high,
         priority: Priority.high,
       );