Android Question capture screenshot when app is service?

[fifiddu70]

hello, i have a question, is possible capture screenshoot of smartphone when app is in service module? i need to capture the screen in invisible mode of the smartphone, is possibile?

 

[Erel]

https://www.b4x.com/android/forum/threads/b4a-screenrecorder-screenshots.71348/

 

[fifiddu70]

https://www.b4x.com/android/forum/threads/b4a-screenrecorder-screenshots.71348/

i have this error in logs:

Logger connesso a:  WIKO HARRY
--------- beginning of main
** Activity (main) Pause, UserClosed = false **
java.lang.IllegalStateException: Can't stop due to wrong state.
    at android.media.MediaMuxer.stop(MediaMuxer.java:257)
    at net.yrom.screenrecorder.ScreenRecorder.release(ScreenRecorder.java:194)
    at net.yrom.screenrecorder.ScreenRecorder.run(ScreenRecorder.java:94)
--------- beginning of crash
Logger connesso a:  WIKO HARRY
--------- beginning of crash
--------- beginning of main
** Activity (main) Pause, UserClosed = false **
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
grant = true and resultCode is -1
Event was raised and grant value is true
** Activity (main) Resume **
java.lang.IllegalStateException: Can't stop due to wrong state.
    at android.media.MediaMuxer.stop(MediaMuxer.java:257)
    at net.yrom.screenrecorder.ScreenRecorder.release(ScreenRecorder.java:194)
    at net.yrom.screenrecorder.ScreenRecorder.run(ScreenRecorder.java:94)
** Activity (main) Pause, UserClosed = true **

but i not need to save mp4 video but jpg, i try after to insert a timer for capture screen about 4 second and save in jpg in root external.