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Commit e7d3cd0a authored by Shuzhen Wang's avatar Shuzhen Wang
Browse files

Camera: Document getNumberOfCameras behavior for logical camera 

For camera1 API, framework only exposes one camera id for every
logical/physical camera id group. Document this behavior accordingly.

Test: Build
Bug: 80075565
Change-Id: I32c2de84d27a603d485014255bf1fad5031aa08e
parent 737d8318

core/java/android/hardware/Camera.java

+6 −0
Original line number Diff line number Diff line
@@ -263,6 +263,12 @@ public class Camera { 
     * supports external cameras and an external camera is connected or

     * disconnected.

     *

     * If there is a

     * {@link android.hardware.camera2.CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA

     * logical multi-camera} in the system, to maintain app backward compatibility, this method will

     * only expose one camera for every logical camera and underlying physical cameras group.

     * Use camera2 API to see all cameras.

     *

     * @return total number of accessible camera devices, or 0 if there are no

     *   cameras or an error was encountered enumerating them.

     */