Added in API level 33

VsyncCallback

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Kotlin |Java

interface VsyncCallback

android.view.Choreographer.VsyncCallback

Implement this interface to receive a callback to start the next frame. The callback is invoked on the Looper thread to which the Choreographer is attached. The callback payload contains information about multiple possible frames, allowing choice of the appropriate frame based on latency requirements.

Summary

Public methods
abstract Unit	onVsync(data: Choreographer.FrameData) Called when a new display frame is being rendered.

Public methods

onVsync

Added in API level 33

abstract fun onVsync(data: Choreographer.FrameData): Unit

Called when a new display frame is being rendered.

Parameters
data	Choreographer.FrameData: The payload which includes frame information. Divide nanosecond values by 1000000 to convert it to the SystemClock.uptimeMillis() time base. data is not valid outside of onVsync and should not be accessed outside the callback. This value cannot be null.

See Also

• android.view.Choreographer.FrameCallback#doFrame