In camera 2 api you need to identify the camera lizard
private android.hardware.camera2.CameraManager manager;
//better to add inside constructor
manager = (android.hardware.camera2.CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
Next steps you can get camera features like
for (String cameraId : manager.getCameraIdList()) {
CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
}
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