This site has been permanently archived. The content on this site was last updated in 2019.

All developers actively developing experiences for Google Cardboard should use the open source Cardboard SDKs for iOS, Android NDK, and Unity XR Plugin.
The Daydream View VR headset is no longer available for purchase as of October 15, 2019. As of November 2023, previously supported devices will no longer be able to download and install Google VR Serivces (Android application ID com.google.vr.vrcore) for new users.

GvrLayout.ExternalSurfaceListener

Page Summary

GvrLayout.ExternalSurfaceListener is used to detect events on the video Surface managed by the async reprojection thread.
onFrameAvailable() is called when a new frame is available on the external Surface.
onSurfaceAvailable(Surface surface) is called when the external Surface is valid and ready to be used, providing the Surface object.

public static interface GvrLayout.ExternalSurfaceListener

Listener for external Surface events. Used to detect events on the video Surface managed by the async reprojection thread.

abstract void	onFrameAvailable() Called whenever there is a new frame available on the external Surface.
abstract void	onSurfaceAvailable(Surface surface) Called when the external Surface is valid and available to use.

Called whenever there is a new frame available on the external Surface.

Called when the external Surface is valid and available to use.

surface	The Surface that is available to consume.