Flutter

  Design Timeline Page using Flutter Final Code: import 'package:flutter/cupertino.dart' ; import 'package:flutter/gestures.dart' ; import 'package:flutter/material.dart' ; class Timeline_Page extends StatefulWidget{ Timeline_PageState createState()=> Timeline_PageState (); } class Timeline_PageState extends State<Timeline_Page>{ @override Widget build(BuildContext context) { return DefaultTabController ( initialIndex: 0 , // default is 0 length: 4 , // Number of Tabs child: Scaffold ( appBar: AppBar (title: Text ( "joe_root" ), backgroundColor: Colors. indigoAccent , actions: [ IconButton ( icon: Icon (Icons. send_outlined ,), onPressed: ()=>{})],), body: SingleChildScrollView ( child: Column ( crossAxisAlignment: CrossAxisAlignment. start , mainAxisSize: MainAxisSize. max , children: [ SizedBox ...

   Adding TabBarView & TabBar in Flutter using DefaultTabController Import it Now in your Dart code, you can use: import 'package:flutter/gestures .dart ' ;          //for drag gesture Three Simple Steps: 1. Remember to add DefaultTabController before Scaffold: class Timeline_PageState extends State<Timeline_Page>{ @override Widget build(BuildContext context) { return DefaultTabController ( initialIndex: 0 , // default is 0 length: 4 , // Number of Tabs      ); } } 2. TabBar Code: Container (color:Colors. grey . shade100 ,     //TAB_BAR Inside a Container height: 50 , child: TabBar (labelColor: Colors. black , tabs: [ Tab (text: 'About' , icon: Icon (Icons. account_box_outlined , color: Colors. indigo ,), iconMargin: EdgeInsets . only (bottom: 0.0 ),...

  Adding Audio/Sound in Flutter First, Add dependencies: dependencies: audioplayers: ^0.18.3 Now, run an implicit dart pub get . Note: Install the latest version. Import it Now in your Dart code, you can use: import 'package:audioplayers/audioplayers.dart ' ; import 'package:audioplayers/audio_cache .dart ' ; Play  Sound/Audio after you open the app : AudioPlayer advancedPlayer ; Future loadMusic() async {      advancedPlayer = await AudioCache ().loop( "filename.mp3" );     //to play audio in a loop                    // OR      advancedPlayer = await AudioCache ().play( "filename.mp3" );    //to play audio once } @override void initState() {      loadMusic();      super .initState(); } To Stop  Sound/Audio : Future stopp(){          //created stopp() function to stop playing audio a...