ViewfinderSurfaceProvider
public interface ViewfinderSurfaceProvider
A interface implemented by the application to provide a Surface for viewfinder.
This interface is implemented by the application to provide a Surface. This will be called by application when it needs a Surface for viewfinder. It also signals when the Surface is no longer in use.
Summary
Public methods |
|
|---|---|
abstract void |
Called when a new |
Public methods
onSurfaceRequested
Added in 1.4.0-alpha10
abstract void onSurfaceRequested(@NonNull ViewfinderSurfaceRequest request)
Called when a new Surface has been requested by the frame producer.
This is called every time a new surface is required to keep the viewfinder running. The producer may repeatedly request surfaces, but only a single request will be active at a time.
| Parameters | |
|---|---|
@NonNull ViewfinderSurfaceRequest request |
the request for a surface which contains the requirements of the surface and methods for completing the request. |