Fadein and Fadeout using AnimatedOpacity Widget in Flutter

<p>In this article, I'm going to share you the example of how to Fadein and Fadeout using AnimatedOpactiy Widget. Here is how the final output is going to look. ![](https://fluttercentral.com/Uploads/32e36dee-501d-44d6-b351-635fd6872320.gifwidth="50%height="auto](</p> <p>Below is an example code of how to Fadein and Fadeout using AnimatedOpcity widget in Flutter. This Code from Main.dart file. In order to run this project locally, all you need to do is to create a Project and copy paste the below code to Lib\main.dart file.</p> <p>color: rgb(212, 212, 212); background-color: rgb(30, 30, 30); font-family: Consolas, "Courier New", monospace; font-size: 14px; line-height: 19px; white-space: pre-wrap;](</p> <p _visible="!_visible;">color: #569cd6;](import color: #ce9178;]('package:flutter/material.dart'; color: #569cd6;](void main(List args) { runApp(MyApp());} color: #569cd6;](class MyApp color: #569cd6;](extends StatefulWidget { color: #569cd6;](@override _MyAppState createState() => _MyAppState();} color: #569cd6;](class _MyAppState color: #569cd6;](extends State { color: #569cd6;](bool _visible = color: #569cd6;](true; color: #569cd6;](@override Widget build(BuildContext context) { color: #569cd6;](return MaterialApp( title: color: #ce9178;]("AnimatedOpacity Example", home: Scaffold( appBar: AppBar(title: Text(color: #ce9178;]('AnimatedOpacity Example'),), body: MyHomePage(visible: _visible), floatingActionButton: FloatingActionButton( child: Icon(Icons.flip), onPressed: (){ setState(() ); }, ), ), ); }} color: #569cd6;](class MyHomePage color: #569cd6;](extends StatefulWidget { color: #569cd6;](final color: #569cd6;](bool visible; color: #569cd6;](const MyHomePage({Key key, color: #569cd6;](this.visible}) : color: #569cd6;](super(key: key); color: #569cd6;](@override _MyHomePageState createState() => _MyHomePageState();} color: #569cd6;](class _MyHomePageState color: #569cd6;](extends State { color: #569cd6;](@override Widget build(BuildContext context) { color: #569cd6;](return Center( child: AnimatedOpacity( child: Container( child: Center(child: Text(color: #ce9178;]('Hello World')), width: color: #b5cea8;](200.0, height: color: #b5cea8;](200.0, color: Colors.green, ), duration: Duration(seconds: color: #b5cea8;](1), opacity: widget.visible ? color: #b5cea8;](1.0: color: #b5cea8;](0.0, ), ); }} Hope this will be helpful to you. Thanks,Srikanth</p>