Added F-Droid, Mullvad. Bug fixes.

lib/main.dart

@@ -11,7 +11,7 @@ import 'package:workmanager/workmanager.dart';
 import 'package:dynamic_color/dynamic_color.dart';
 
 const String currentReleaseTag =
-    'v0.1.5-beta'; // KEEP THIS IN SYNC WITH GITHUB RELEASES
+    'v0.1.6-beta'; // KEEP THIS IN SYNC WITH GITHUB RELEASES
 
 @pragma('vm:entry-point')
 void bgTaskCallback() {
@@ -94,7 +94,9 @@ class MyApp extends StatelessWidget {
             'ImranR98',
             'Obtainium',
             currentReleaseTag,
-            currentReleaseTag, []));
+            currentReleaseTag,
+            [],
+            0));
       }
     }
 

lib/providers/apps_provider.dart

@@ -96,7 +96,7 @@ class AppsProvider with ChangeNotifier {
       if (apps[id] == null) {
         throw 'App not found';
       }
-      String? apkUrl = apps[id]!.app.apkUrls.last;
+      String? apkUrl = apps[id]!.app.apkUrls[apps[id]!.app.preferredApkIndex];
       if (apps[id]!.app.apkUrls.length > 1) {
         apkUrl = await showDialog(
             context: context,
@@ -105,6 +105,11 @@ class AppsProvider with ChangeNotifier {
             });
       }
       if (apkUrl != null) {
+        int urlInd = apps[id]!.app.apkUrls.indexOf(apkUrl);
+        if (urlInd != apps[id]!.app.preferredApkIndex) {
+          apps[id]!.app.preferredApkIndex = urlInd;
+          await saveApp(apps[id]!.app);
+        }
         appsToInstall.putIfAbsent(id, () => apkUrl!);
       }
     }
@@ -200,6 +205,9 @@ class AppsProvider with ChangeNotifier {
     App newApp = await SourceProvider().getApp(currentApp.url);
     if (newApp.latestVersion != currentApp.latestVersion) {
       newApp.installedVersion = currentApp.installedVersion;
+      if (currentApp.preferredApkIndex < newApp.apkUrls.length) {
+        newApp.preferredApkIndex = currentApp.preferredApkIndex;
+      }
       await saveApp(newApp);
       return newApp;
     }
@@ -290,17 +298,17 @@ class _APKPickerState extends State<APKPicker> {
       scrollable: true,
       title: const Text('Pick an APK'),
       content: Column(children: [
-        Text('${widget.app.name} has more than one package - pick one.'),
-        ...widget.app.apkUrls.map((u) => ListTile(
+        Text('${widget.app.name} has more than one package:'),
+        const SizedBox(height: 16),
+        ...widget.app.apkUrls.map((u) => RadioListTile<String>(
             title: Text(Uri.parse(u).pathSegments.last),
-            leading: Radio<String>(
-                value: u,
-                groupValue: apkUrl,
-                onChanged: (String? val) {
-                  setState(() {
-                    apkUrl = val;
-                  });
-                })))
+            value: u,
+            groupValue: apkUrl,
+            onChanged: (String? val) {
+              setState(() {
+                apkUrl = val;
+              });
+            }))
       ]),
       actions: [
         TextButton(

lib/providers/source_provider.dart

@@ -29,8 +29,9 @@ class App {
   String? installedVersion;
   late String latestVersion;
   List<String> apkUrls = [];
+  late int preferredApkIndex;
   App(this.id, this.url, this.author, this.name, this.installedVersion,
-      this.latestVersion, this.apkUrls);
+      this.latestVersion, this.apkUrls, this.preferredApkIndex);
 
   @override
   String toString() {
@@ -38,15 +39,19 @@ class App {
   }
 
   factory App.fromJson(Map<String, dynamic> json) => App(
-      json['id'] as String,
-      json['url'] as String,
-      json['author'] as String,
-      json['name'] as String,
-      json['installedVersion'] == null
-          ? null
-          : json['installedVersion'] as String,
-      json['latestVersion'] as String,
-      List<String>.from(jsonDecode(json['apkUrls'])));
+        json['id'] as String,
+        json['url'] as String,
+        json['author'] as String,
+        json['name'] as String,
+        json['installedVersion'] == null
+            ? null
+            : json['installedVersion'] as String,
+        json['latestVersion'] as String,
+        List<String>.from(jsonDecode(json['apkUrls'])),
+        json['preferredApkIndex'] == null
+            ? 0
+            : json['preferredApkIndex'] as int,
+      );
 
   Map<String, dynamic> toJson() => {
         'id': id,
@@ -56,6 +61,7 @@ class App {
         'installedVersion': installedVersion,
         'latestVersion': latestVersion,
         'apkUrls': jsonEncode(apkUrls),
+        'preferredApkIndex': preferredApkIndex
       };
 }
 
@@ -89,7 +95,7 @@ class GitHub implements AppSource {
 
   @override
   String standardizeURL(String url) {
-    RegExp standardUrlRegEx = RegExp('^https?://$host/[^/]*/[^/]*');
+    RegExp standardUrlRegEx = RegExp('^https?://$host/[^/]+/[^/]+');
     RegExpMatch? match = standardUrlRegEx.firstMatch(url.toLowerCase());
     if (match == null) {
       throw 'Not a valid URL';
@@ -99,7 +105,6 @@ class GitHub implements AppSource {
 
   @override
   Future<APKDetails> getLatestAPKDetails(String standardUrl) async {
-    // The GitHub RSS feed does not contain asset download details, so we use web scraping (avoid API due to rate limits)
     Response res = await get(Uri.parse('$standardUrl/releases/latest'));
     if (res.statusCode == 200) {
       var standardUri = Uri.parse(standardUrl);
@@ -148,7 +153,7 @@ class GitLab implements AppSource {
 
   @override
   String standardizeURL(String url) {
-    RegExp standardUrlRegEx = RegExp('^https?://$host/[^/]*/[^/]*');
+    RegExp standardUrlRegEx = RegExp('^https?://$host/[^/]+/[^/]+');
     RegExpMatch? match = standardUrlRegEx.firstMatch(url.toLowerCase());
     if (match == null) {
       throw 'Not a valid URL';
@@ -158,7 +163,6 @@ class GitLab implements AppSource {
 
   @override
   Future<APKDetails> getLatestAPKDetails(String standardUrl) async {
-    // GitLab provides an RSS feed with all the details we need
     Response res = await get(Uri.parse('$standardUrl/-/tags?format=atom'));
     if (res.statusCode == 200) {
       var standardUri = Uri.parse(standardUrl);
@@ -225,11 +229,98 @@ class Signal implements AppSource {
   }
 
   @override
-  AppNames getAppNames(String standardUrl) => AppNames('signal', 'signal');
+  AppNames getAppNames(String standardUrl) => AppNames('Signal', 'Signal');
+}
+
+class FDroid implements AppSource {
+  @override
+  late String host = 'f-droid.org';
+
+  @override
+  String standardizeURL(String url) {
+    RegExp standardUrlRegEx = RegExp('^https?://$host/[^/]+/packages/[^/]+');
+    RegExpMatch? match = standardUrlRegEx.firstMatch(url.toLowerCase());
+    if (match == null) {
+      throw 'Not a valid URL';
+    }
+    return url.substring(0, match.end);
+  }
+
+  @override
+  Future<APKDetails> getLatestAPKDetails(String standardUrl) async {
+    Response res = await get(Uri.parse(standardUrl));
+    if (res.statusCode == 200) {
+      var latestReleaseDiv =
+          parse(res.body).querySelector('#latest.package-version');
+      var apkUrl = latestReleaseDiv
+          ?.querySelector('.package-version-download a')
+          ?.attributes['href'];
+      if (apkUrl == null) {
+        throw 'No APK found';
+      }
+      var version = latestReleaseDiv
+          ?.querySelector('.package-version-header b')
+          ?.innerHtml
+          .split(' ')
+          .last;
+      if (version == null) {
+        throw 'Could not determine latest release version';
+      }
+      return APKDetails(version, [apkUrl]);
+    } else {
+      throw 'Unable to fetch release info';
+    }
+  }
+
+  @override
+  AppNames getAppNames(String standardUrl) {
+    var name = Uri.parse(standardUrl).pathSegments.last;
+    return AppNames(name, name);
+  }
+}
+
+class Mullvad implements AppSource {
+  @override
+  late String host = 'mullvad.net';
+
+  @override
+  String standardizeURL(String url) {
+    RegExp standardUrlRegEx = RegExp('^https?://$host');
+    RegExpMatch? match = standardUrlRegEx.firstMatch(url.toLowerCase());
+    if (match == null) {
+      throw 'Not a valid URL';
+    }
+    return url.substring(0, match.end);
+  }
+
+  @override
+  Future<APKDetails> getLatestAPKDetails(String standardUrl) async {
+    Response res = await get(Uri.parse('$standardUrl/en/download/android'));
+    if (res.statusCode == 200) {
+      var version = parse(res.body)
+          .querySelector('p.subtitle.is-6')
+          ?.querySelector('a')
+          ?.attributes['href']
+          ?.split('/')
+          .last;
+      if (version == null) {
+        throw 'Could not determine the latest release version';
+      }
+      return APKDetails(
+          version, ['https://mullvad.net/download/app/apk/latest']);
+    } else {
+      throw 'Unable to fetch release info';
+    }
+  }
+
+  @override
+  AppNames getAppNames(String standardUrl) {
+    return AppNames('Mullvad-VPN', 'Mullvad-VPN');
+  }
 }
 
 class SourceProvider {
-  List<AppSource> sources = [GitHub(), GitLab(), Signal()];
+  List<AppSource> sources = [GitHub(), GitLab(), FDroid(), Mullvad(), Signal()];
 
   // Add more source classes here so they are available via the service
   AppSource getSource(String url) {
@@ -265,7 +356,8 @@ class SourceProvider {
         names.name[0].toUpperCase() + names.name.substring(1),
         null,
         apk.version,
-        apk.apkUrls);
+        apk.apkUrls,
+        apk.apkUrls.length - 1);
   }
 
   List<String> getSourceHosts() => sources.map((e) => e.host).toList();

pubspec.yaml

@@ -17,7 +17,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.1.5+6 # When changing this, update the tag in main() accordingly
+version: 0.1.6+7 # When changing this, update the tag in main() accordingly
 
 environment:
   sdk: '>=2.19.0-79.0.dev <3.0.0'