长时间按下软键盘上的退格键导致错误

Question

I have a search area (EditText) with addTextChangedListener . When an input comes, my AsyncTask , which is in afterTextChanged method starts up.

• In onPreExecute method, the dialog with the message of "please wait" is shown.
• In doInBackground method, items are filtered
• In onPostExecute method, filtered items are written to the list, after that the "please wait" dialog is stopped.

Suppose that there is a word with 6 characters in the search area. When I press and hold the backspace button on the soft keyboard, characters are deleted one by one quickly.

But in here I get error IllegalStateException (the content of the adapter has changed but ListView did not receive a notification).

Although I use the notifyDataSetChanged method in postExecute .

What can I do to fix this?

Answer 1

 public boolean onKeyDown(int keyCode, KeyEvent event) {    

///forcontrol pressing backeSpace in editText(softKeyboard)

            if (keyCode == KeyEvent.KEYCODE_DEL) {

                parent.endsWith("");            

                return true;
            } 
}