Android implementation method to add and delete bitmap in EditText

SpannableString mSpan1 = new SpannableString("1");
/*
* this is add bitmap on edit text
*/
private void displayBitmapOnText(Bitmap thumbnailBitmap) {
if(thumbnailBitmap == null)
return;
    int start = ();
    (new ImageSpan(thumbnailBitmap) , () - 1, (), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
//    ();
    if(mEditText != null) {
      Editable et = ();
      (start, mSpan1);
      (et);
      (start + ());
    }
    (10f, 1f);
}
/*
* this is delete bitmap on edit text
* from end to start
*/
private void deleteEditTextSpan() {
    Spanned s = ();
    ImageSpan[] imageSpan = (0, (), ); 
    for (int i =  - 1; i >= 0; i--) {
      if(i ==  - 1) {
        int start = (imageSpan[i]);
        int end = (imageSpan[i]);
        Editable et = ();
        (start, end);
      }
    }
    ();
}