[Android 10] Unable to set transparent navigation bar #40974
Description
Steps to Reproduce
Run the provided code on an Android 10 device. Tested on a physical Pixel 3 XL running latest Android 10 stable release.
Expected: The blue background pushes until the bottom of the screen, while the gestures bar stays floating over the app.
Result: The navigation bar is still black, the app doesn't draw until the bottom.
Sample code
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
void main() {
runApp(SampleApp());
}
class SampleApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values);
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData.light(),
darkTheme: ThemeData.dark(),
home: Scaffold(
backgroundColor: Colors.blue,
body: Center(
child: Text('Test'),
),
),
);
}
}Flutter doctor output
[√] Flutter (Channel master, v1.10.6-pre.20, on Microsoft Windows [Version 10.0.18362.356], locale es-ES)
• Flutter version 1.10.6-pre.20 at C:\src\flutter
• Framework revision c238045a96 (35 minutes ago), 2019-09-20 07:58:53 -0700
• Engine revision 70f21b0edb
• Dart version 2.6.0 (build 2.6.0-dev.1.0 7c1821c4aa)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
• Android SDK at C:\Users\Cristian\AppData\Local\Android\sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-29, build-tools 29.0.2
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
• All Android licenses accepted.
[√] Android Studio (version 3.5)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin version 39.0.3
• Dart plugin version 191.8423
• Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
[√] Connected device (1 available)
• Pixel 3 XL • 89PY09NNV • android-arm64 • Android 10 (API 29)
• No issues found!
Related to #34678
cc/ @shihaohong
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Important issues not at the top of the work listMatching the OEM platforms betterSystemChrome and Framework's Layout IssuesA truly polished experienceAffects or could affect many people, though not necessarily a specific customer.Affects only some versions of the relevant operating systemflutter/engine related. See also e: labels.Found to occur in 1.22flutter/packages/flutter repository. See also f: labels.The issue has been confirmed reproducible and is ready to work onAndroid applications specifically