Occasionally, quickstep.RecentsActivity (at least, versionCode=35) becomes inaccessible without repeated input keyevent KEYCODE_APP_SWITCHs: [1]
RokeJulianLockhart@Beedell:~$ adb shell input keyevent KEYCODE_APP_SWITCH RokeJulianLockhart@Beedell:~$ adb shell input keyevent KEYCODE_APP_SWITCH RokeJulianLockhart@Beedell:~$ adb shell input keyevent KEYCODE_APP_SWITCH RokeJulianLockhart@Beedell:~$ adb shell input keyevent KEYCODE_APP_SWITCH RokeJulianLockhart@Beedell:~$ adb shell input keyevent KEYCODE_APP_SWITCH RokeJulianLockhart@Beedell:~$ adb shell input keyevent KEYCODE_APP_SWITCH
When this occurs, activities occasionally render as transparent (per the depicted text) with a #000000 background:
I recall seeing this in multiple applications, else I’d report it to github.com/element-hq/element-x-android/issues. However, to confirm (because human memory is fickle):
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