Initial commit

lib/ui/error.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+
+class ErrorScreen extends StatelessWidget {
+
+  final String message;
+
+  ErrorScreen({this.message});
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+          Icon(
+            Icons.error,
+            color: Colors.red,
+            size: 64.0,
+          ),
+          Container(height: 4.0,),
+          Text(message ?? 'Please check your connection and try again later...')
+        ],
+      ),
+    );
+  }
+}