app crash when try present

[odejinmi]

Process: com.cloudwebrtc.flutterwebrtcdemo, PID: 22639
E/AndroidRuntime(22639): java.lang.SecurityException: Media projections require a foreground service of type ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION
E/AndroidRuntime(22639): at android.os.Parcel.createException(Parcel.java:2071)
E/AndroidRuntime(22639): at android.os.Parcel.readException(Parcel.java:2039)
E/AndroidRuntime(22639): at android.os.Parcel.readException(Parcel.java:1987)
E/AndroidRuntime(22639): at android.media.projection.IMediaProjection$Stub$Proxy.start(IMediaProjection.java:231)
E/AndroidRuntime(22639): at android.media.projection.MediaProjection.(MediaProjection.java:58)
E/AndroidRuntime(22639): at android.media.projection.MediaProjectionManager.getMediaProjection(MediaProjectionManager.java:104)
E/AndroidRuntime(22639): at org.webrtc.ScreenCapturerAndroid.startCapture(ScreenCapturerAndroid.java:110)
E/AndroidRuntime(22639): at com.cloudwebrtc.webrtc.OrientationAwareScreenCapturer.startCapture(OrientationAwareScreenCapturer.java:62)
E/AndroidRuntime(22639): at com.cloudwebrtc.webrtc.GetUserMediaImpl$3.onReceiveResult(GetUserMediaImpl.java:479)
E/AndroidRuntime(22639): at android.os.ResultReceiver$MyRunnable.run(ResultReceiver.java:50)
E/AndroidRuntime(22639): at android.os.Handler.handleCallback(Handler.java:883)
E/AndroidRuntime(22639): at android.os.Handler.dispatchMessage(Handler.java:100)
E/AndroidRuntime(22639): at android.os.Looper.loop(Looper.java:214)
E/AndroidRuntime(22639): at android.app.ActivityThread.main(ActivityThread.java:7386)
E/AndroidRuntime(22639): at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(22639): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
E/AndroidRuntime(22639): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)
E/AndroidRuntime(22639): Caused by: android.os.RemoteException: Remote stack trace:
E/AndroidRuntime(22639): at com.android.server.media.projection.MediaProjectionManagerService$MediaProjection.start(MediaProjectionManagerService.java:476)
E/AndroidRuntime(22639): at android.media.projection.IMediaProjection$Stub.onTransact(IMediaProjection.java:135)
E/AndroidRuntime(22639): at android.os.Binder.execTransactInternal(Binder.java:1021)
E/AndroidRuntime(22639): at android.os.Binder.execTransact(Binder.java:994)
E/AndroidRuntime(22639):

[Rexobias]

Here's the solution: flutter-webrtc/flutter-webrtc#979

The crash only happens when targetSdkVersion is higher than 28.