Less restrictive install permission requests (#488)

lib/pages/add_app.dart

@@ -124,9 +124,6 @@ class _AddAppPageState extends State<AddAppPage> {
               pickedSource!, userInput, additionalSettings,
               trackOnlyOverride: trackOnly,
               overrideSource: pickedSourceOverride);
-          if (!trackOnly) {
-            await settingsProvider.getInstallPermission();
-          }
           // Only download the APK here if you need to for the package ID
           if (sourceProvider.isTempId(app) &&
               app.additionalSettings['trackOnly'] != true) {

lib/pages/app.dart

@@ -327,9 +327,6 @@ class _AppPageState extends State<AppPage> {
             ? () async {
                 try {
                   HapticFeedback.heavyImpact();
-                  if (app?.app.additionalSettings['trackOnly'] != true) {
-                    await settingsProvider.getInstallPermission();
-                  }
                   var res = await appsProvider.downloadAndInstallLatestApps(
                       [app!.app.id], globalNavigatorKey.currentContext);
                   if (res.isNotEmpty && mounted) {

lib/pages/apps.dart

@@ -624,11 +624,6 @@ class AppsPageState extends State<AppsPage> {
                   bool shouldInstallNew = values['installs'] == true;
                   bool shouldMarkTrackOnlies = values['trackonlies'] == true;
                   (() async {
-                    if (shouldInstallNew || shouldInstallUpdates) {
-                      await settingsProvider.getInstallPermission();
-                    }
-                  })()
-                      .then((_) {
                     List<String> toInstall = [];
                     if (shouldInstallUpdates) {
                       toInstall.addAll(existingUpdateIdsAllOrSelected);
@@ -639,6 +634,12 @@ class AppsPageState extends State<AppsPage> {
                     if (shouldMarkTrackOnlies) {
                       toInstall.addAll(trackOnlyUpdateIdsAllOrSelected);
                     }
+                    if (toInstall.length > 1) {
+                      // Permission is requested automatically, but if there are more than 1 installs,
+                      // We want to explicitly request it and wait for the result to avoid multiple requests
+                      await settingsProvider.getInstallPermission(
+                          enforce: false);
+                    }
                     appsProvider
                         .downloadAndInstallLatestApps(
                             toInstall, globalNavigatorKey.currentContext)

lib/providers/settings_provider.dart

@@ -120,7 +120,7 @@ class SettingsProvider with ChangeNotifier {
     return result;
   }
 
-  Future<void> getInstallPermission() async {
+  Future<void> getInstallPermission({bool enforce = false}) async {
     while (!(await Permission.requestInstallPackages.isGranted)) {
       // Explicit request as InstallPlugin request sometimes bugged
       Fluttertoast.showToast(
@@ -129,6 +129,9 @@ class SettingsProvider with ChangeNotifier {
           PermissionStatus.granted) {
         break;
       }
+      if (!enforce) {
+        break;
+      }
     }
   }