[Camera]: availableCameras() throw CameraException: Camera is being used after Camera.release() was called / no camera found #76782
Description
[Camera Plugin] v0.7.0+2
call availableCameras() method and throw CameraException :
Camera is being used after Camera.release() was called
device : OPPO R11, Android 9.
Log:
ERROR, 03-01 10:56:31.441, 03-01 10:56:31.441, 26643, 27068, 27068, 03-01 10:56:31.441: E/flutter(26643): [ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: CameraException(error, Camera is being used after Camera.release() was called)
ERROR, 03-01 10:56:31.441, 03-01 10:56:31.441, 26643, 27068, 27068, 03-01 10:56:31.441: E/flutter(26643): #0 MethodChannelCamera.availableCameras (package:camera_platform_interface/src/method_channel/method_channel_camera.dart:71)
The same code, run on other devices, it is all right. but it has problem on the device above.
Flutter 1.22.4 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 1aafb3a8b9 (3 months ago) • 2020-11-13 09:59:28 -0800
Engine • revision 2c956a31c0
Tools • Dart 2.10.4
flutter upgrade -f
output:
Flutter 1.22.6 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 9b2d32b605 (5 weeks ago) • 2021-01-22 14:36:39 -0800
Engine • revision 2f0af37152
Tools • Dart 2.10.5
Running flutter doctor -v...
[✓] Flutter (Channel stable, 1.22.6, on Mac OS X 10.15.6 19G2021 darwin-x64, locale zh-Hans-CN)
• Flutter version 1.22.6 at /Users/kk/Documents/software/flutter
• Framework revision 9b2d32b605 (5 weeks ago), 2021-01-22 14:36:39 -0800
• Engine revision 2f0af37152
• Dart version 2.10.5
• 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 30.0.2)
• Android SDK at /Users/kk/Library/Android/sdk
• Platform android-30, build-tools 30.0.2
• ANDROID_HOME = /Users/kk/Library/Android/sdk
• ANDROID_SDK_ROOT = /Users/kk/Library/Android/sdk
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 12.0.1)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 12.0.1, Build version 12A7300
• CocoaPods version 1.9.3
[✓] Android Studio (version 4.1)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin installed
• Dart plugin version 201.9245
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)
sample code:
Future getCameras() async {
await availableCameras().then((lista) {
//cameras.sink.add(lista);
}).catchError((e) {
//cameras.sink.add(null);
print("ERROR CAMERA: $e");
});
}
By the way, I run the official example on the device, It found no camera.
flutter run -v too much output, I cannot provide