"No TabController for TabBar." Code Answer's
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No TabController for TabBarView.
Itchy Impala
on Aug 31, 2020
import 'package:flutter/material.dart';void main() { runApp(StartPage());}class StartPage extends StatelessWidget { @override Widget build(BuildContext context) { return new MaterialApp( title: "New Task", debugShowCheckedModeBanner: false, home: new HomePage(), ); }}class HomePage extends StatefulWidget { @override _HomePageState createState() => _HomePageState();}class _HomePageState extends State<HomePage> with SingleTickerProviderStateMixin{ TabController _tabController; @override void initState() { _tabController = new TabController(length: 3, vsync: this); super.initState(); } @override Widget build(BuildContext context) { return new Scaffold( appBar: new AppBar( title: new Text("GrubX"), bottom: TabBar( unselectedLabelColor: Colors.white, labelColor: Colors.amber, tabs: [ new Tab(icon: new Icon(Icons.call)), new Tab( icon: new Icon(Icons.chat), ), new Tab( icon: new Icon(Icons.notifications), ) ], controller: _tabController, indicatorColor: Colors.white, indicatorSize: TabBarIndicatorSize.tab,), bottomOpacity: 1, ), body: TabBarView( children: [ new Text("This is call Tab View"), new Text("This is chat Tab View"), new Text("This is notification Tab View"), ], controller: _tabController,), ); }}Source: medium.com
No TabController for TabBar.
Lokesh003
on Mar 31, 2021
As The Error is Stating you need - TabController Edit Your Code as Below.
@override
Widget build(BuildContext context) {
// TODO: implement build
return DefaultTabController( // Added
length: 4, // Added
initialIndex: 0, //Added
child: Scaffold(
appBar: AppBar(
title: new Text("Tab App."),
),
drawer: sideDrawer(context), // Passed BuildContext in function.
bottomNavigationBar: bottomTabBar()),
);
}
Widget sideDrawer(BuildContext context){ ......No TabController for TabBarView.
Itchy Impala
on Aug 31, 2020
body: TabBarView( children: [ new Text("This is call Tab View"), new Text("This is chat Tab View"), new Text("This is notification Tab View"),],controller: _tabController,),Source: medium.com
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