Popupwindow的简单实用案例(显示在控件下方)

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

  

  
  
  

  

public void onClick(View v) {
  switch (v.getId()) {
   case R.id.home_travel_modes_yuefen_textview:
       showPopupWindow(v);
      break;
   case R.id.popupwindow_Jan:
      showToastMsg("一月份");
      break;
    case R.id.popupwindow_Feb:
      showToastMsg("二月份");
      break;
    default:
      break;
  }

 public void showPopupWindow(View v){
    View cOntentView= LayoutInflater.from(HomeTravelModesActivity.this).inflate(R.layout.home_popuplayout, null);
    TextView JanText = (TextView)contentView.findViewById(R.id.popupwindow_Jan);
    TextView FebText = (TextView)contentView.findViewById(R.id.popupwindow_Feb);
    TextView MarText = (TextView)contentView.findViewById(R.id.popupwindow_Mar);
    JanText.setOnClickListener(this);
    FebText.setOnClickListener(this);
    MarText.setOnClickListener(this);
    final PopupWindow popupWindow = new PopupWindow(contentView,
        LinearLayout.LayoutParams.MATCH_PARENT, 300, true);
    popupWindow.setTouchable(true);

//    popupWindow.setTouchInterceptor(new View.OnTouchListener() {
//
//      @Override
//      public boolean onTouch(View v, MotionEvent event) {
//
//        Log.i("mengdd", "onTouch : ");
//
//        return false;
//        // 这里如果返回true的话，touch事件将被拦截
//        // 拦截后 PopupWindow的onTouchEvent不被调用，这样点击外部区域无法dismiss
//      }
//    });
    // 如果不设置PopupWindow的背景，无论是点击外部区域还是Back键都无法dismiss弹框
    // 我觉得这里是API的一个bug
    popupWindow.setBackgroundDrawable(getResources().getDrawable(
        R.mipmap.ic_launcher));
    // 设置好参数之后再show
    popupWindow.showAsDropDown(v);
  }

@Override
public void onWindowFocusChanged(boolean hasFocus) {
  super.onWindowFocusChanged(hasFocus);
  //弹出PopupWindow的具体代码
}