I can't start MovieActivity Andorid 12

[hainm-2525]

hi google developer. I have issue, pls help me fix it. it happens on some device like sony pixel 1 II, oppo ... with andorid 12. please watch the video
Step:
1: Open app and move to MovieActivity
2. Enter the PIP . state3.
3. Out the PIP . state , back Full screen (MovieActivity)4.
4 . Back to MainActivity
5. Close PIP
6.