private void postMedias(@NonNull final IMediaTaskCallback<VideoMedia> callback,
                            final List<VideoMedia> videoMedias, final int count) {
        BoxingExecutor.getInstance().runUI(new Runnable() {
            @Override
            public void run() {
                callback.postMedia(videoMedias, count);
            }
        });
    }
A Task to load {@link VideoMedia} in database.

@author ChenSL
boxing/src/main/java/com/bilibili/boxing/model/task/impl/VideoTask.java