public static List<VideoInfo> allVideoList = null;// 視訊資訊集合
allVideoList = new ArrayList<VideoInfo>();
getVideoFile(allVideoList,Environment.getExternalStorageDirectory());// 獲得視訊檔案

private void getVideoFile(final List<VideoInfo> list, File file) {// 獲得視訊檔案

		file.listFiles(new FileFilter() {

			@Override
			public boolean accept(File file) {
				// sdCard找到視訊名稱
				String name = file.getName();

				int i = name.indexOf('.');
				if (i != -1) {
					name = name.substring(i);
					if (name.equalsIgnoreCase(".mp4")
							|| name.equalsIgnoreCase(".3gp")
							|| name.equalsIgnoreCase(".wmv")
							|| name.equalsIgnoreCase(".ts")
							|| name.equalsIgnoreCase(".rmvb")
							|| name.equalsIgnoreCase(".mov")
							|| name.equalsIgnoreCase(".m4v")
							|| name.equalsIgnoreCase(".avi")
							|| name.equalsIgnoreCase(".m3u8")
							|| name.equalsIgnoreCase(".3gpp")
							|| name.equalsIgnoreCase(".3gpp2")
							|| name.equalsIgnoreCase(".mkv")
							|| name.equalsIgnoreCase(".flv")
							|| name.equalsIgnoreCase(".divx")
							|| name.equalsIgnoreCase(".f4v")
							|| name.equalsIgnoreCase(".rm")
							|| name.equalsIgnoreCase(".asf")
							|| name.equalsIgnoreCase(".ram")
							|| name.equalsIgnoreCase(".mpg")
							|| name.equalsIgnoreCase(".v8")
							|| name.equalsIgnoreCase(".swf")
							|| name.equalsIgnoreCase(".m2v")
							|| name.equalsIgnoreCase(".asx")
							|| name.equalsIgnoreCase(".ra")
							|| name.equalsIgnoreCase(".ndivx")
							|| name.equalsIgnoreCase(".xvid")) {
						VideoInfo vi = new VideoInfo();
						vi.setDisplayName(file.getName());
						vi.setPath(file.getAbsolutePath());
						list.add(vi);
						return true;
					}
				} else if (file.isDirectory()) {
					getVideoFile(list, file);
				}
				return false;
			}
		});
	}