import 'package:flutter/material.dart';

void main() {
  runApp(
    new MaterialApp(
      title: 'Flutter Demo',
      theme: new ThemeData(
        primarySwatch: Colors.blue
      ),
      home: new FlutterDemo()
    )
  );
}

class FlutterDemo extends StatelessWidget {

  Widget buttons(BoxDecoration decoration) {
    return new Container(
      decoration: decoration,
      child: new Row(
        children: [
          new FlatButton(
            child: new Text("FLAT BUTTON"),
            onPressed: () => null
          ),
          new InkWell(
            child: new Text("WELL"),
            onTap: () => null
          ),
          new RaisedButton(
            child: new Text("RAISED BUTTON"),
            onPressed: () => null
          )
        ]
      )
    );
  }

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('Flutter Demo')
      ),
      body: new Column(
        children: [
          // INK DOES NOT SHOW
          buttons(new BoxDecoration(backgroundColor: Colors.yellow[100])),
          buttons(null),
          // INK DOES NOT SHOW
          buttons(new BoxDecoration(gradient: new LinearGradient(colors: [Colors.grey[100], Colors.grey[500]]))),
          buttons(new BoxDecoration(gradient: new LinearGradient(colors: [Colors.black26, Colors.grey[500]]))),
          buttons(new BoxDecoration(backgroundColor: Colors.white10))
        ]
      )
    );
  }
}