On the fly image conversion

web_native/lib/screens/login_screen.dart

@@ -19,12 +19,6 @@ class _LoginScreenState extends State<LoginScreen> {
 
   LoginBloc bloc;
 
-  @override
-  void dispose() {
-    super.dispose();
-    // bloc.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     _init();
@@ -42,9 +36,8 @@ class _LoginScreenState extends State<LoginScreen> {
   }
 
   void _init(){
-    if(bloc != null){
+    if(bloc != null)
         return;
-    }
 
     bloc = LoginBloc(AppProvider.getApplication(context));
     bloc.authenticatedResult.listen((bool status) {
@@ -60,6 +53,12 @@ class _LoginScreenState extends State<LoginScreen> {
     });
   }
 
+  @override
+  void dispose() {
+    super.dispose();
+    // bloc.dispose();
+  }
+
   Widget _appLoading(){
     return Center(
       child: ConstrainedBox(