A small refactoring

lib/components/login_form.dart

@@ -66,9 +66,7 @@ class _LoginFormState extends State<LoginForm> {
       accountsGrpc.signIn(username, "", password).then((rs) {
         window.localStorage["token"] = rs.token;
         window.localStorage["uuid"] = rs.uuid;
-        setState(() {
-                  
-                });
+        Navigator.of(context, rootNavigator: true).pop();
       }).catchError((e) {
         print(e);
         GrpcError error = e;

lib/main.dart

@@ -27,13 +27,7 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       title: 'Softplayer',
-      home: Scaffold(
-        body: TestAlert(channel: channel),
-        appBar: AppBar(),
-        floatingActionButton: FloatingActionButton(
-          onPressed: () => print("1"),
-        ),
-      ),
+      home: TestAlert(channel: channel),
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
         useMaterial3: true,
@@ -53,7 +47,8 @@ class TestAlert extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     if (!isSignedIn()) {
-      return Container(
+      return Scaffold( 
+        body: Container(
         decoration: const BoxDecoration(
           image: DecorationImage(
             image: AssetImage("assets/login_background.jpg"),
@@ -61,9 +56,15 @@ class TestAlert extends StatelessWidget {
           ),
         ),
         child: LoginForm(grpcChannel: channel),
-      );
+      ));
     } else {
-      return EnvirnomentList(channel: channel);
+      return Scaffold(
+        body: EnvirnomentList(channel: channel),
+        appBar: AppBar(),
+        floatingActionButton: FloatingActionButton(
+          onPressed: () => print("1"),
+        ),
+      );
     }
   }
 }