startPreview
suspend fun IWithVideoSource.startPreview(viewfinder: CameraViewfinder, previewSize: Size): ViewfinderSurfaceRequest
Start preview on a CameraViewfinder
Return
The ViewfinderSurfaceRequest used to set the preview. Use it to call ViewfinderSurfaceRequest.markSurfaceSafeToRelease after IWithVideoSource.stopPreview.
Parameters
viewfinder
The CameraViewfinder to set as preview
previewSize
The size of the preview
Throws
if the video source is not previewable
suspend fun IPreviewableSource.startPreview(viewfinder: CameraViewfinder, previewSize: Size): ViewfinderSurfaceRequest
Start preview on a CameraViewfinder
Return
The ViewfinderSurfaceRequest used to set the preview. Use it to call ViewfinderSurfaceRequest.markSurfaceSafeToRelease after stopPreview.
Parameters
viewfinder
The CameraViewfinder to set as preview
previewSize
The size of the preview