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Nov 19th, 2019
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  1. import 'package:flutter/material.dart';
  2.  
  3. void main() => runApp(MyApp());
  4.  
  5. class MyApp extends StatelessWidget {
  6. // This widget is the root of your application.
  7. @override
  8. Widget build(BuildContext context) {
  9. return MaterialApp(
  10. title: 'Flutter Demo',
  11. theme: ThemeData(
  12. primarySwatch: Colors.blue,
  13. ),
  14. home: MyHomePage(title: 'Flutter Demo Home Page'),
  15. );
  16. }
  17. }
  18.  
  19. class MyHomePage extends StatefulWidget {
  20. MyHomePage({Key key, this.title}) : super(key: key);
  21.  
  22. final String title;
  23.  
  24. @override
  25. _MyHomePageState createState() => _MyHomePageState();
  26. }
  27.  
  28. class _MyHomePageState extends State<MyHomePage> {
  29. @override
  30. Widget build(BuildContext context) {
  31. return Scaffold(
  32. appBar: AppBar(
  33. title: Text(widget.title),
  34. ),
  35. body: Column(
  36. children: <Widget>[
  37. Flexible(
  38. flex: 1,
  39. child: Container(
  40. color: Colors.yellow,
  41.  
  42. ),
  43. ),
  44. Flexible(
  45. flex: 1,
  46. child: Container(
  47. color: Colors.red,
  48. ),
  49. ),
  50. Row(
  51. children: <Widget>[
  52. Flexible(
  53. flex: 2,
  54. child: Container(
  55. color: Colors.pink,
  56. ),
  57. ),
  58. Flexible(
  59. flex: 2,
  60. child: Container(
  61. color: Colors.green,
  62. ),
  63. ),
  64. ],
  65. )
  66. ],
  67. ),
  68. );
  69. }
  70. }
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