/**  * 獲取目錄下所有文件(按時間排序)  *   * @param path  * @return  */ public static List<File> listFileSortByModifyTime(String path) {  List<File> list = getFiles(path, new ArrayList<File>());  if (list != null && list.size() > 0) {   Collections.sort(list, new Comparator<File>() {    public int compare(File file, File newFile) {     if (file.lastModified() < newFile.lastModified()) {      return -1;     } else if (file.lastModified() == newFile.lastModified()) {      return 0;     } else {      return 1;     }    }   });  }  return list; } /**  *   * 獲取目錄下所有文件  *   * @param realpath  * @param files  * @return  */ public static List<File> getFiles(String realpath, List<File> files) {  File realFile = new File(realpath);  if (realFile.isDirectory()) {   File[] subfiles = realFile.listFiles();   for (File file : subfiles) {    if (file.isDirectory()) {     getFiles(file.getAbsolutePath(), files);    } else {     files.add(file);    }   }  }  return files; }

List<File> list = listFileSortByModifyTime("/storage/sdcard1/DCIM/Camera/");    int i = 0;    for (File file : list) {     i++;     Log.i("ZMS",       i + ":" + file.getName() + " = "         + file.lastModified());    }