Android camera2 Lens intrinsic calibration

Question

I downloaded an Android camera2 demo, it ran well.

Now I want to get the intrinsic matrix of the camera by querying the CameraCharacteristics.

My code is

Answer 1

The lens intrinsics are only guaranteed to be defined if the camera device supports the DEPTH_OUTPUT capability.

As of right now, the depth extensions to the camera2 API are new, and not yet supported by basically any Android device.