custom_dialog.java

private AlertDialog showCustomDialog(final Activity act, 
                                      CharSequence title, 
                                      CharSequence message, 
                                      CharSequence buttonYes, 
                                      CharSequence buttonNo, 
                                      final int selectedIndex) {
    AlertDialog.Builder customDialog = new AlertDialog.Builder(act);
    customDialog.setTitle(title);
    customDialog.setMessage(message);
    
    //clicking the positive button
    customDialog.setPositiveButton(buttonYes, new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialogInterface, int i) {
    //Action performed on clicking the positive dialog button action
            picURL.remove(selectedIndex);
        }
    });
    
    //Clicking the negative button
    customDialog.setNegativeButton(buttonNo, new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialogInterface, int i) {
    //Action performed on clicking the negative dialog button action
        }
    });
    return customDialog.show();
}