add load error in featurecontext

lib/utils/feature_context.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:openmediacentermobile/login/login_context.dart';
 import '../api/settings_api.dart';
 
 // todo maybe instead of feature context a context for all settings?
@@ -35,30 +36,53 @@ class FeatureContainer extends StatefulWidget {
 class _FeatureContainerState extends State<FeatureContainer> {
   bool? tvShowEnabled;
   bool? fullDeleteEnabled;
+  bool fetcherror = false;
 
   @override
   void initState() {
-    loadInitialData().then((value) => setState(
+    loadInitialData()
+        .then((value) => setState(
               () {
                 fullDeleteEnabled = value.fullDeleteEnabled;
                 tvShowEnabled = value.tvShowEnabled;
               },
-        ));
+            ))
+        .catchError((err) => setState(() => fetcherror = true));
 
     super.initState();
   }
 
   @override
   Widget build(BuildContext context) {
-    if (tvShowEnabled == null || fullDeleteEnabled == null) {
+    if (fetcherror) {
+      final loginctx = LoginContext.of(context);
+
       return MaterialApp(
-        home: Container(
+        home: Scaffold(
+          body: Center(
+            child:
+                Column(mainAxisAlignment: MainAxisAlignment.center, children: [
+              Text("Fetch error"),
+              MaterialButton(
+                onPressed: () => loginctx.onLoggin(false),
+                child: Text("Logout"),
+              )
+            ]),
+          ),
+        ),
+      );
+    } else if (tvShowEnabled == null || fullDeleteEnabled == null) {
+      return MaterialApp(
+        home: Scaffold(
+          body: Container(
             color: Colors.white,
             child: Center(
                 child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
               children: [CircularProgressIndicator(), Text("loading features")],
             )),
           ),
+        ),
       );
     } else {
       return FeatureContext(tvShowEnabled!, fullDeleteEnabled!,