Troubleshooting

Apps with development build may crash when doing suspend/resume operations such as switching to the other apps and then back to your app, turning off HMD by pressing power bank, and taking HMD off for a while then putting it on.
[How to fix]
Select project settings > Project > Packaging > Project > Build Configuration as Shipping.
Crash after hiding and showing StereoLayer .
[How to fix]
Enable Live Texture
If the content includes a resources.arsc file and runs in an Android 11 device, you must re-package the content referring to Behavior changes: Apps targeting Android 11 | Android Developers .
Bluetooth is Unavailable When using Focus Vision.
[Root cause]
The Android version of Focus Vision is 12.
[How to fix]
Declare several permission for the Bluetooth feature referring to Bluetooth permissions | Android Developers .

Crash after enabling the OpenXREyeTracker plugin using cosmos .
[How to fix]
Disable OpenXREyeTracker plugin when using cosmos