TabBarView always change to the first one after minimize the application window in flutter for windows #64718
Description
Steps to Reproduce
- Run
flutter create bug. - Update the lib/main.dart as follows: ...
import 'package:flutter/material.dart';
void main() {
runApp(TabBarDemo());
}
class TabBarDemo extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: DefaultTabController(
length: 3,
child: Scaffold(
appBar: AppBar(
bottom: TabBar(
tabs: [
Tab(icon: Icon(Icons.directions_car)),
Tab(icon: Icon(Icons.directions_transit)),
Tab(icon: Icon(Icons.directions_bike)),
],
),
title: Text('Tabs Demo'),
),
body: TabBarView(
children: [
Icon(Icons.directions_car),
Icon(Icons.directions_transit),
Icon(Icons.directions_bike),
],
),
),
),
);
}
}
- flutter run -d windows
switch tab to second or third tab, minimize application and reopen it.
Expected results:
TabBarView should be synced with tabbar.
Actual results:
First TabBarView is shown. See the picture:
Logs
[√] Flutter (Channel master, 1.22.0-2.0.pre.93, on Microsoft Windows [Version 10.0.18363.1016], locale zh-CN)
• Flutter version 1.22.0-2.0.pre.93 at F:\flutter
• Framework revision f35a8b7470 (9 hours ago), 2020-08-26 21:33:03 -0700
• Engine revision 388193a67b
• Dart version 2.10.0 (build 2.10.0-62.0.dev)
• Pub download mirror https://pub.flutter-io.cn
• Flutter download mirror https://storage.flutter-io.cn
[!] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
• Android SDK at F:\Android_SDK
• Platform android-29, build-tools 29.0.2
• ANDROID_SDK_ROOT = F:\Android_SDK
X Android SDK file not found: F:\Android_SDK\platforms\android-29\android.jar.
• Try re-installing or updating your Android SDK,
visit https://flutter.dev/docs/get-started/install/windows#android-setup for detailed instructions.
[√] Visual Studio - develop for Windows (Visual Studio Community 2019 16.6.5)
• Visual Studio at C:\Program Files (x86)\Microsoft Visual Studio\2019\Community
• Visual Studio Community 2019 version 16.6.30320.27
• Windows 10 SDK version 10.0.18362.0
[√] Android Studio (version 4.0)
• Android Studio at F:\Android Studio
• Flutter plugin version 48.1.2
• Dart plugin version 193.7361
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
[√] VS Code (version 1.48.2)
• VS Code at C:\Users\zouji\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.13.2
[√] Connected device (1 available)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.18363.1016]
! Doctor found issues in 1 category.