public interface PreviewLoader
TimedThumbnail from a given ThumbnailDocument and the playhead position,
 into the ThumbnailView.| Modifier and Type | Field and Description | 
|---|---|
| static PreviewLoader | EMPTYAn Empty Preview Loader. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | loadPreview(ThumbnailView thumbnailView,
           long playheadPosition,
           long duration)Given a playhead position, finds a  TimedThumbnailin theThumbnailDocumentset withsetThumbnailDocument(ThumbnailDocument), and loads it into theThumbnailView. | 
| void | setThumbnailDocument(ThumbnailDocument thumbnailDocument) | 
static final PreviewLoader EMPTY
void setThumbnailDocument(@NonNull
                          ThumbnailDocument thumbnailDocument)
thumbnailDocument - the Thumbnail documentvoid loadPreview(@NonNull
                 ThumbnailView thumbnailView,
                 long playheadPosition,
                 long duration)
TimedThumbnail in the ThumbnailDocument set with
 setThumbnailDocument(ThumbnailDocument), and loads it into the ThumbnailView.thumbnailView - the view to load the preview thumbnail imageplayheadPosition - the Video's playhead positionduration - the Video's duration