用这些方法在课堂下打电话
new AsyncCaller().execute();
private class AsyncCaller extends AsyncTask<Void, Void, String>
{
ProgressDialog pdLoading = new ProgressDialog(AsyncExample.this);
@Override
protected void onPreExecute() {
super.onPreExecute();
//this method will be running on UI thread
pdLoading.setMessage("Loading...");
pdLoading.show();
}
@Override
protected String doInBackground(Void... params) {
String result= getString("your username","your password")
return result;
}
@Override
protected void onPostExecute(String result) {
super.onPostExecute(result);
pdLoading.dismiss();
Toast.make(context,result,Toas.LENGTH_SHORT).show();
}
}
}