Container Example

container.dart

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

void main() {
  debugPaintSizeEnabled = false;
  runApp(MaterialApp(home: MyApp()));
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Container')),
      body: Center(
        child: Container(
          margin: EdgeInsets.all(30.0),
          padding: EdgeInsets.all(10.0),
          alignment: Alignment.center,
          width: 200,
          height: 100,
          color: Colors.red,
//           decoration: BoxDecoration(
//             color: Colors.green,
// //             gradient: new LinearGradient(
// //                 colors: [Colors.red, Colors.cyan],
// //                 begin: Alignment.centerRight,
// //                 end: Alignment.centerLeft),
// //             borderRadius: BorderRadius.circular(20.0),
// //             border: Border.all(),
// //             boxShadow: [
// //               BoxShadow(
// //                 offset: Offset(8, 8),
// //                 blurRadius: 20.0,
// //               ),
// //             ],
//           ),
          child: Text(
            "Hello",
            style: TextStyle(fontSize: 30, color: Colors.white),
          ),
        ),
      ),
    );
  }
}