Code used in the video:
import 'package:flutter/material.dart';
import 'package:lessons/second_page.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
String _currentPicture = 'assets/images/bike.jpg';
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text(
'Hello World',
style: TextStyle(color: Colors.white),
),
centerTitle: true,
backgroundColor: Colors.blue,
elevation: 10.0,
),
body: Center(
child: Column(
children: [
Image.asset(
_currentPicture,
width: 300,
height: 300,
fit: BoxFit.fill,
),
const SizedBox(
height: 10.0,
),
ElevatedButton(
onPressed: () {
if (_currentPicture == 'assets/images/bike.jpg') {
_currentPicture = 'assets/images/twitter.jpg';
} else {
_currentPicture = 'assets/images/bike.jpg';
}
},
style: ElevatedButton.styleFrom(
foregroundColor: Colors.white,
backgroundColor: Colors.blue,
),
child: const Text("Change Picture"),
),
],
),
));
}
}
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