Allow entire app config to be shared as link (see https://github.com/ImranR98/apps.obtainium.imranr.dev/issues/5)

lib/providers/apps_provider.dart

@@ -404,7 +404,7 @@ class AppsProvider with ChangeNotifier {
       .isNotEmpty;
 
   Future<bool> canInstallSilently(App app) async {
-    if (app.id == obtainiumId) {
+    if (app.id == obtainiumApp.id) {
       return false;
     }
     if (!settingsProvider.enableBackgroundUpdates) {
@@ -428,7 +428,7 @@ class AppsProvider with ChangeNotifier {
     } catch (e) {
       // Probably not installed - ignore
     }
-    if (installerPackageName != obtainiumId) {
+    if (installerPackageName != obtainiumApp.id) {
       // If we did not install the app (or it isn't installed), silent install is not possible
       return false;
     }
@@ -673,7 +673,7 @@ class AppsProvider with ChangeNotifier {
 
     // Move Obtainium to the end of the line (let all other apps update first)
     appsToInstall =
-        moveStrToEnd(appsToInstall, obtainiumId, strB: obtainiumTempId);
+        moveStrToEnd(appsToInstall, obtainiumApp.id, strB: obtainiumTempId);
 
     Future<void> updateFn(String id, {bool skipInstalls = false}) async {
       try {
@@ -1676,7 +1676,8 @@ Future<void> bgUpdateCheck(String taskId, Map<String, dynamic>? params) async {
     }
     if (toInstall.isNotEmpty) {
       logs.add('BG install task: Started (${toInstall.length}).');
-      var tempObtArr = toInstall.where((element) => element.key == obtainiumId);
+      var tempObtArr =
+          toInstall.where((element) => element.key == obtainiumApp.id);
       if (tempObtArr.isNotEmpty) {
         // Move obtainium to the end of the list as it must always install last
         var obt = tempObtArr.first;

lib/providers/settings_provider.dart

@@ -15,7 +15,22 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:shared_storage/shared_storage.dart' as saf;
 
 String obtainiumTempId = 'imranr98_obtainium_${GitHub().hosts[0]}';
-String obtainiumId = 'dev.imranr.obtainium';
+
+App obtainiumApp = App(
+    'dev.imranr.obtainium',
+    'https://github.com/ImranR98/Obtainium',
+    'ImranR98',
+    'Obtainium',
+    currentReleaseTag,
+    currentReleaseTag,
+    [],
+    0,
+    {
+      'includePrereleases': true,
+      'versionDetection': 'standardVersionDetection'
+    },
+    null,
+    false);
 
 enum InstallMethodSettings { normal, shizuku, root }
 

lib/providers/source_provider.dart

@@ -276,9 +276,10 @@ class App {
         json['installedVersion'] == null
             ? null
             : json['installedVersion'] as String,
-        json['latestVersion'] as String,
-        assumed2DlistToStringMapList(jsonDecode(json['apkUrls'])),
-        json['preferredApkIndex'] as int,
+        (json['latestVersion'] ?? tr('unknown')) as String,
+        assumed2DlistToStringMapList(jsonDecode(
+            (json['apkUrls'] ?? '[["placeholder", "placeholder"]]'))),
+        (json['preferredApkIndex'] ?? -1) as int,
         jsonDecode(json['additionalSettings']) as Map<String, dynamic>,
         json['lastUpdateCheck'] == null
             ? null