如何使用异步任务将文件上传到服务器？

如何使用异步任务将文件上传到服务器？

mButton.setonClickListener(new View.onClickListener() {     public void onClick(View v) {new UploadImageTask().execute(); // initialize asynchronous task}});//Now implement Asynchronous Taskpublic class Get_User_Data extends AsyncTask<Void, Void, Void> { private final ProgressDialog dialog = new ProgressDialog( MyActivity.this);    protected void onPreExecute() {        this.dialog.setMessage("Loading...");        this.dialog.setCancelable(false);        this.dialog.show();    }        @Override        protected Void doInBackground(Void... params) {         uploadImage(); // inside the method paste your file uploading pre return null;        }        protected void onPostExecute(Void result) { // Here if you wish to do future process for ex. move to another activity do here if (dialog.isShowing()) {     dialog.dismiss(); }        }    }

有关更多信息，请参考此链接 http://vikaskanani.wordpress.com/2011/01/29/android-image-
upload-activity/