widgetText3.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text("Aplikasi Pertamaku"),
        ),
        body: Center(
            child: Container(
                color: Colors.lightGreen,
                width: 160,
                height: 70,
                child: Text(
                  "Hari ini saya latihan membuat aplikasi sederhana mengggunakan flutter",
                  maxLines: 4,
                ))),
      ),
    );
  }
}