Layout created for single screen app (#2)

lib/Utils/ViewUtils.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/cupertino.dart';
+import 'package:toast/toast.dart';
+
+class ViewUtils{
+
+  static displayToast(BuildContext context, String message){
+    Toast.show(
+        message,
+        duration: Toast.lengthLong,
+        gravity:  Toast.bottom
+    );
+  }
+
+  static displayToastDeferred(BuildContext context, String message){
+    WidgetsBinding.instance.addPostFrameCallback(
+            (_) => displayToast(context, message));
+  }
+}