kn0ch3n · June 22, 2018 17:32 · Jun 22, 2018
diff --git a/flutter_example.dart b/flutter_example.dart
@@ -0,0 +1,28 @@
+class CounterState extends State<Counter> {
+  int counter = 0;
+
+  void increment() {
+    // Tells the Flutter framework that state has changed,
+    // so the framework can run build() and update the display.
+    setState(() {
+      counter++;
+    });
+  }
+
+  Widget build(BuildContext context) {
+    // This method is rerun every time setState is called.
+    // The Flutter framework has been optimized to make rerunning
+    // build methods fast, so that you can just rebuild anything that
+    // needs updating rather than having to individually change
+    // instances of widgets.
+    return new Row(
+      children: <Widget>[
+        new RaisedButton(
+          onPressed: increment,
+          child: new Text('Increment'),
+        ),
+        new Text('Count: $counter'),
+      ],
+    );
+  }
+}