import package:flutter/material.dart;

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
	return MaterialApp(
  	title: Notifikasi Belanja,
  	home: ShoppingListApp(),
	);
  }
}

class ShoppingListApp extends StatefulWidget {
  @override
  _ShoppingListAppState createState() => _ShoppingListAppState();
}

class _ShoppingListAppState extends State<ShoppingListApp> {
  final List<String> _shoppingList = [];
  final TextEditingController _controller = TextEditingController();

  void _addItem() {
	if (_controller.text.isNotEmpty) {
  	setState(() {
    	_shoppingList.add(_controller.text);
    	_controller.clear();
  	});
	}
  }

  @override
  Widget build(BuildContext context) {
	return Scaffold(
  	appBar: AppBar(
    	title: Text(Daftar Belanja),
  	),
  	body: Padding(
    	padding: const EdgeInsets.all(8.0),
    	child: Column(
      	children: [
        	TextField(
          	controller: _controller,
          	decoration: InputDecoration(labelText: Masukkan Barang),
        	),
        	ElevatedButton(
          	onPressed: _addItem,
          	child: Text(Tambah Barang),
        	),
        	Expanded(
          	child: ListView.builder(
            	itemCount: _shoppingList.length,
            	itemBuilder: (context, index) {
              	return ListTile(
                	title: Text(_shoppingList[index]),
              	);
            	},
          	),
        	),
      	],
    	),
  	),
	);
  }
}