根据文件名后缀判断是否是视频文件:
import java.util.Arrays;
import java.util.List;/*** @class describe* @anthor alias.su* @time 2024/1/5 10:11* @change * @chang time * @class describe*/
public class FileCheckUtil {// 定义常见的图片格式的护展名列表// 判断文件护展名是否为图片格式private static List<String> imageExtensions = Arrays.asList("jpg", "jpeg", "png", "gif");private static List<String> videoExtensions = Arrays.asList("mp4", "flv", "avi", "rm", "rmvb", "wmv");public static boolean isPic(String url) {boolean isImage = imageExtensions.contains(url.subSequence(url.lastIndexOf("."),url.length()).toString().replace(".","").toLowerCase());if (isImage) {return true;}return false;}public static boolean isVideo(String url) {boolean isImage = videoExtensions.contains(url.subSequence(url.lastIndexOf("."),url.length()).toString().replace(".","").toLowerCase());if (isImage) {return true;}return false;}}
根据文件是否可以播放来判断:
public static boolean isVideo(File file) {int duration = 0;try {MediaMetadataRetriever mmr = new MediaMetadataRetriever();// mmr.setDataSource(file.getAbsolutePath());mmr.setDataSource(Utils.getApp(), Uri.parse(file.getAbsolutePath()));duration = Integer.valueOf(mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION));// 播放时长单位为毫秒LocalLogNew.d(TAG, "isVideo", 44, "检查是否为视频:" + duration);} catch (Exception e) {LocalLogNew.d(TAG, "isVideo", 44, "检查是否为视频报错:" + e.toString());duration = 0;}return duration > 0;}