深度遞迴遍曆檔案夾

 private class CheckVideoFileSizeThread extends Thread    {    private boolean flag = false;    private Vector<String> vector = new Vector<String>();        public void stopCheck()    {    flag = false;    }        public void run() {    super.run();    flag = true;    while (flag) {try {Thread.sleep(2000);listFile(Environment.getExternalStorageDirectory());} catch (Exception e) {}}    }        private void listFile(File file)    {    if(file == null)    {    return;    }    if(file.isFile())    {    String path = file.getAbsolutePath();    if(!vector.contains(path))    {    System.out.println(path);    vector.add(path);    }    }    if(file.isDirectory())    {    File files[] = file.listFiles();    if(files!= null)    {    for(File file2:files)    {    listFile(file2);    }    }        }    }    }