Crashed after change targetSdkVersion to 29

[dynamicfire]

Logcat:
2019-07-30 15:04:57.215 909-3862/? E/InputDispatcher: Window handle Window{7faca60 u0 Sys2003:com.android.systemui/com.android.systemui.media.MediaProjectionPermissionActivity} has no registered input channel
2019-07-30 15:04:57.233 28983-28983/? D/AndroidRuntime: Shutting down VM
2019-07-30 15:04:57.241 28983-28983/? E/AndroidRuntime: FATAL EXCEPTION: main
Process: net.yrom.screenrecorder.demo, PID: 28983
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { (has extras) }} to activity {net.yrom.screenrecorder.demo/net.yrom.screenrecorder.MainActivity}: java.lang.SecurityException: Media projections require a foreground service of type ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION
at android.app.ActivityThread.deliverResults(ActivityThread.java:4843)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4884)
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7343)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:933)
Caused by: java.lang.SecurityException: Media projections require a foreground service of type ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION
at android.os.Parcel.createException(Parcel.java:2071)
at android.os.Parcel.readException(Parcel.java:2039)
at android.os.Parcel.readException(Parcel.java:1987)
at android.media.projection.IMediaProjection$Stub$Proxy.start(IMediaProjection.java:231)
at android.media.projection.MediaProjection.(MediaProjection.java:58)
at android.media.projection.MediaProjectionManager.getMediaProjection(MediaProjectionManager.java:104)
at net.yrom.screenrecorder.MainActivity.onActivityResult(MainActivity.java:148)
at android.app.Activity.dispatchActivityResult(Activity.java:8110)
at android.app.ActivityThread.deliverResults(ActivityThread.java:4836)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4884) 
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51) 
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016) 
at android.os.Handler.dispatchMessage(Handler.java:107) 
at android.os.Looper.loop(Looper.java:214) 
at android.app.ActivityThread.main(ActivityThread.java:7343) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:933) 
Caused by: android.os.RemoteException: Remote stack trace:
at com.android.server.media.projection.MediaProjectionManagerService$MediaProjection.start(MediaProjectionManagerService.java:476)
at android.media.projection.IMediaProjection$Stub.onTransact(IMediaProjection.java:135)
at android.os.Binder.execTransactInternal(Binder.java:1021)
at android.os.Binder.execTransact(Binder.java:994)

[dynamicfire]

Android Q似乎要求mediaprojection需要在services中进行
https://developer.android.com/reference/android/content/pm/ServiceInfo
https://blog.csdn.net/qq_36332133/article/details/96485285

[dynamicfire]

另：在Android Q下录屏时没有弹出通知

[yrom]

本来 mediaprojection 就应该在 service 中使用，这里只是demo，没用service

[dkshin]

same issue....

target sdk version : 29
my device : Android10

[TapasKumarBehera]

same issue....

target sdk version : 29
my device : Android10