Android 동영상 썸네일 추출

File dir = Environment.getExternalStorageDirectory();

String path = dir.getAbsolutePath() + "/Download/SampleVideo_1280x720_50mb.mp4";

ImageView iv = (ImageView)findViewById(R.id.thumb);

Bitmap b = ThumbnailUtils.createVideoThumbnail(path, MediaStore.Images.Thumbnails.MICRO_KIND);