In this tutorial, you can easily learn about Flutter Animated Container Widget, Elevated Button, and SizeBox Widget.
Elevated Button Widget Example:
ElevatedButton(
onPressed: () {
setState(() {
clicked =
!clicked; // when user clicked here bool value return false ...
});
},
child: const Text("Click Me")),When you need free space you can use the height or width property in SizeBox Widget.
SizeBox Widget Example:
SizedBox(
height: 10,
),Flutter Animated Container Widget
Flutter Animated Container widget Source Code:
import 'package:flutter/material.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
// here already create bool value ... ok
bool clicked = true;
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
//Hey welcome to my channel ...
// here already create a scaffold widget .... also center and column ..
// column widget main Axisalignment CENTER ... ok now start our new topic....
// Now we create a elevant button then container then Animated container let's started......
ElevatedButton(
onPressed: () {
setState(() {
clicked =
!clicked; // when user clicked here bool value return false ...
});
},
child: const Text("Click Me")),
// here need some space ... now we use sizebox widget ...
SizedBox(
height: 10,
),
AnimatedContainer(
// now when user click clickme button then change Container value ... height, width and color ...
height: ((clicked == false) ? 400 : 200),
width: ((clicked == false) ? 200 : 400),
// already workign button next change also color ....
color: ((clicked == false) ? Colors.amber : Colors.green),
// it is tool fast if we add animation here that way maybe more amazing ......so
// animated it .... ok
duration: const Duration(seconds: 2),
// you can also add here BOX Decoration widget then watch our BOX decoration widget tutorial ...
// IF you link this tutorial please SUBSCRIBE .... Thank YOu........Code LInk in the description ...
)
]),
),
);
}
}
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