Source Code Dart Flutter Tugas Pertemuan 4 - Pertemuan 9 Pertemuan 4 main.dart import 'package:flutter/material.dart' ; import 'baris_kolom.dart' ; void main () { runApp ( const MyApp ()); } class MyApp extends StatelessWidget { const MyApp ({ Key ? key }) : super ( key : key ); @ override Widget build ( BuildContext context ) { return const MaterialApp ( title : 'BarisKolom' , home : BarisKolom (), ); } } ui/baris_kolom.dart import 'package:flutter/material.dart' ; class BarisKolom extends StatelessWidget { const BarisKolom ({ Key ? key }) : super ( key : key ); @ override Widget build ( BuildContext context ) { return Scaffold ( appBar : AppBar ( title : const Text ( "Baris dan Kolom" ) ), body...