确认是否删除文件夹/文件夹?

public void confirmDel(final String path ,final int folder){ AlertDialog.Builder ad1=new AlertDialog.Builder(FileManagerActivity.this); ad1.setTitle("删除文件夹?"); ad1.setPositiveButton("是", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int i) { // TODO Auto-generated method stub if (folder==1) { delFolder(path); } else { delFile(path); } } }); ad1.setNegativeButton("否",new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int i) { } }); ad1.show();//显示对话框 } public boolean delFile(String path) { File file = new File(path); return file.delete(); //return true; } public void delFolder(String folderPath) { try { delAllFile(folderPath); //删除完里面所有内容 String filePath = folderPath; filePath = filePath.toString(); java.io.File myFilePath = new java.io.File(filePath); myFilePath.delete(); //删除空文件夹 } catch (Exception e) { System.out.println("删除文件夹操作出错"); e.printStackTrace(); } } /** * 删除文件夹里面的所有文件 * @param path String 文件夹路径 如 c:/fqf */ public void delAllFile(String path) { File file = new File(path); if (!file.exists()) { return; } if (!file.isDirectory()) { return; } String[] tempList = file.list(); File temp = null; for (int i = 0; i < tempList.length; i++) { if (path.endsWith(File.separator)) { temp = new File(path + tempList[i]); } else { temp = new File(path + File.separator + tempList[i]); } if (temp.isFile()) { temp.delete(); } if (temp.isDirectory()) { delAllFile(path+"/"+ tempList[i]);//先删除文件夹里面的文件 delFolder(path+"/"+ tempList[i]);//再删除空文件夹 } }