Tugast.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Parsing ',
      home: Scaffold(
        appBar: AppBar(
          title: Text('Flexible dan Stack'),
        ),
        body: Stack(
          children: <Widget>[
            Column(
              children: [
                Flexible(
                    flex: 1,
                    child: Row(
                      children: [
                        Flexible(
                          flex: 1,
                          child: Container(color: Colors.white),
                        ),
                        Flexible(
                          flex: 1,
                          child: Container(color: Colors.black),
                        ),
                      ],
                    )),
                 Flexible(
                    flex: 1,
                    child: Row(
                      children: [
                        Flexible(
                          flex: 1,
                          child: Container(color: Colors.black),
                        ),
                        Flexible(
                          flex: 1,
                          child: Container(color: Colors.white),
                        ),
                      ],
                    )),
              ],
            ),
            Container(
              padding:EdgeInsets.all(10),
              child:ListView(children:[
              Text('Nama    : Tigor Purba'),
              Text('TTL     : Sibolga, 05 November 1998'),
              Text('Kelas   : 5MIA2'),
              Text('Jurusan : Manajemen Informatika'),
              Text('Semester: 5'),
              Text('Golongan Darah  : O'),
            ],)),
            Align(
              alignment:Alignment(0,0.8),
              child:
            RaisedButton(
              onPressed: () {},
              child: Text("Tombol "),
            ),
              ),
          ],
        ),
      ),
    );
  }
}