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Code Issues Releases Wiki Activity

Fix TabController index update (#2753)

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Hi, I noticed this bug in the navigation_and_routing sample. 

This PR fixes the tab controller state update issue in BooksScreen.
This commit is contained in:
Sherzod
2025-12-17 22:26:12 +05:00
committed by GitHub
parent 6f4e07c9dd
commit 3c112d0efc
1 changed files with 8 additions and 1 deletions
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9
navigation_and_routing/lib/src/screens/books.dart
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@@ -31,6 +31,14 @@ class _BooksScreenState extends State<BooksScreen>
..addListener(_handleTabIndexChanged); ..addListener(_handleTabIndexChanged);
} }
@override
void didUpdateWidget(covariant BooksScreen oldWidget) {
super.didUpdateWidget(oldWidget);
if (oldWidget.selectedIndex != widget.selectedIndex) {
_tabController.index = widget.selectedIndex;
}
}
@override @override
void dispose() { void dispose() {
_tabController.removeListener(_handleTabIndexChanged); _tabController.removeListener(_handleTabIndexChanged);
@@ -39,7 +47,6 @@ class _BooksScreenState extends State<BooksScreen>
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
_tabController.index = widget.selectedIndex;
return Scaffold( return Scaffold(
appBar: AppBar( appBar: AppBar(
title: const Text('Books'), title: const Text('Books'),