fix(android)!: error caused endless loading on launch

- forgot setState on the future so the error widget didnt show.
- the error came from a bug in secure_storage after backup restore.
mogol/flutter_secure_storage#354
- this fix causes all android users to get signed out once

android/app/build.gradle

@@ -54,7 +54,7 @@ android {
 
     defaultConfig {
         applicationId "tv.brunstad.app"
-        minSdkVersion 21
+        minSdkVersion 23
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

lib/providers/auth_state/implementations/auth_state_notifier_mobile.dart

@@ -24,14 +24,21 @@ import '../../../models/auth0/auth0_id_token.dart';
 import '../../../models/auth_state.dart';
 import '../auth_state.dart';
 
-// Careful. This line is very important,
+// Careful. The function naming here is very important,
 // but because it's conditionally imported (see auth_state_notifier_interface.dart)
-// IDEs don't show any errors when you remove it..
-AuthStateNotifier getPlatformSpecificAuthStateNotifier(Ref ref) => AuthStateNotifierMobile(
-      appAuth: const FlutterAppAuth(),
-      secureStorage: const FlutterSecureStorage(),
-      settingsService: ref.watch(settingsProvider.notifier),
-    );
+// IDEs don't show any errors when you remove/change it..
+AuthStateNotifier getPlatformSpecificAuthStateNotifier(Ref ref) {
+  return AuthStateNotifierMobile(
+    appAuth: const FlutterAppAuth(),
+    secureStorage: const FlutterSecureStorage(
+      aOptions: AndroidOptions(
+        encryptedSharedPreferences: true, // https://github.com/mogol/flutter_secure_storage/issues/354
+        sharedPreferencesName: 'auth',
+      ),
+    ),
+    settingsService: ref.watch(settingsProvider.notifier),
+  );
+}
 
 const kMinimumCredentialsTTL = Duration(hours: 1);
 

lib/screens/auto_login.dart

@@ -40,7 +40,9 @@ class _AutoLoginScreeenState extends ConsumerState<AutoLoginScreen> {
 
   void load() async {
     final deepLinkUri = await AppLinks().getInitialAppLink();
-    authFuture = ref.read(authStateProvider.notifier).load();
+    setState(() {
+      authFuture = ref.read(authStateProvider.notifier).load();
+    });
     authFuture!.then((_) {
       debugPrint('navigate(deepLinkUri: $deepLinkUri)');
       navigate(deepLinkUri: deepLinkUri);