Android如何遍历特定目录下所有文件

 private boolean deleteLastFromFloder(String path) {
    boolean success = false;
    try {
      ArrayList images = new ArrayList();
      getFiles(images, path);
      File latestSavedImage = images.get(0);
      if (latestSavedImage.exists()) {
        for (int i = 1; i  latestSavedImage.lastModified()) {
            latestSavedImage = nextFile;
          }
        }

        Log.e("brady", "images = " + latestSavedImage.getAbsolutePath());
        success = latestSavedImage.delete();
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return success;
  }

  private void getFiles(ArrayList fileList, String path) {
    File[] allFiles = new File(path).listFiles();
    for (int i = 0; i 

package com.once;
 
import java.io.File;
import java.util.ArrayList;
import java.util.LinkedList;
/**
 * 文件夹遍历
 * @author once
 *
 */
public class DirTraversal {
   
  //no recursion
  public static LinkedList listLinkedFiles(String strPath) {
    LinkedList list = new LinkedList();
    File dir = new File(strPath);
    File file = dir.listFiles();
    for (int i = 0; i  listFiles(String strPath) {
    return refreshFileList(strPath);
  }
 
  public static ArrayList refreshFileList(String strPath) {
    ArrayList filelist = new ArrayList();
    File dir = new File(strPath);
    File files = dir.listFiles();
 
    if (files == null)
      return null;
    for (int i = 0; i