Files

61 lines
1.7 KiB
Dart

import 'package:flutter/material.dart';
//import get package
import 'package:get/get.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(),
);
}
}
class MyHomePage extends StatelessWidget {
const MyHomePage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
// create variable that hold out number with .obs parameter (.obs comes from getx state management)
var _counter = 0.obs;
return Scaffold(
appBar: AppBar(
title: const Text("Counter app with Getx (Get) state management"),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'You have pushed the button this many times:',
),
// in get (getx) we must ue Obx for the widget that we want to change like setState in statefull widget\
Obx(() => Text(
// we can show our variable by call .value method
'${_counter.value}',
style: Theme.of(context).textTheme.headline4,
)),
],
),
),
floatingActionButton: FloatingActionButton(
// we can plus or everything that we want by add .value method to our obs variable
onPressed: () => _counter.value++,
tooltip: 'Increment',
child: const Icon(Icons.add),
));
}
}