Android Back Button and Progress Dialog

Question

I have an AsyncTask that shows a progressDialog whilst working (it calls runOnUiThread from within doInBackground to show the progress dialog).

<

Answer 1

Its very simple just copy the below code and paste within Async task..

ProgressDialog dialog;

@Override
protected void onPreExecute() {

    dialog = new ProgressDialog(MainActivity.this) {
        @Override
        public void onBackPressed() {
            dialog.cancel();
            dialog.dismiss();
        }
    };
    // dialog.setTitle("file is..");//its optional If u want set title in progress
    // bar
    dialog.setMessage("Loading file....");
    dialog.setCancelable(false);

    dialog.show();

}