RecipientEditTextView.java 文件源码

/**
 * Remove selection from this chip. Unselecting a RecipientChip will render the chip without a delete icon and with
 * an unfocused background. This is called when the RecipientChip no longer has focus.
 */
private void unselectChip(final DrawableRecipientChip chip)
  {
  final int start=getChipStart(chip);
  final int end=getChipEnd(chip);
  final Editable editable=getText();
  mSelectedChip=null;
  if(start==-1||end==-1)
    {
    Log.w(TAG,"The chip doesn't exist or may be a chip a user was editing");
    setSelection(editable.length());
    commitDefault();
    }
  else
    {
    getSpannable().removeSpan(chip);
    QwertyKeyListener.markAsReplaced(editable,start,end,"");
    editable.removeSpan(chip);
    try
      {
      if(!mNoChips)
        editable.setSpan(constructChipSpan(chip.getEntry(),false,false),start,end,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
      }
    catch(final NullPointerException e)
      {
      Log.e(TAG,e.getMessage(),e);
      }
    }
  setCursorVisible(true);
  setSelection(editable.length());
  if(mAlternatesPopup!=null&&mAlternatesPopup.isShowing())
    mAlternatesPopup.dismiss();
  }