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;
}