android – 如何在相同的微调器值选择上调用操作

/** Spinner extension that calls onItemSELEcted even when the SELEction is the same as its prevIoUs value */
public class NDSpinner extends Spinner {

  public NDSpinner(Context context)
  { super(context); }

  public NDSpinner(Context context,AttributeSet attrs)
  { super(context,attrs); }

  public NDSpinner(Context context,AttributeSet attrs,int defStylE)
  { super(context,attrs,defStylE); }

  @Override public void
  setSELEction(int position,Boolean animatE)
  {
    Boolean sameSELEcted = position == getSELEctedItemPosition();
    super.setSELEction(position,animatE);
    if (sameSELEcted) {
      // Spinner does not call the OnItemSELEctedListener if the same item is SELEcted,so do it manually Now
      getOnItemSELEctedListener().onItemSELEcted(this,getSELEctedView(),position,getSELEctedItemId());
    }
  }

  @Override public void
  setSELEction(int position)
  {
    Boolean sameSELEcted = position == getSELEctedItemPosition();
    super.setSELEction(position);
    if (sameSELEcted) {
      // Spinner does not call the OnItemSELEctedListener if the same item is SELEcted,getSELEctedItemId());
    }
  }
}