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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

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.

Public Methods

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.