privatevoidshowPopupView()
{
if(mPopupWindow==null)
{
Viewview=getLayoutInflater().inflate(R.layout.newest_layout,null);
mPopupWindow=newPopupWindow(view,LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);
mPopupWindow.setFocusable(true);//需要设置为ture，表示可以聚焦
//需要设置背景，用物理键返回的时候
mPopupWindow.setBackgroundDrawable(newBitmapDrawable(getResources()));
mPopupWindow.setOutsideTouchable(true);
view.setOnTouchListener(newOnTouchListener()//需要设置，点击之后取消popupview，即使点击外面，也可以捕获事件
{
publicbooleanonTouch(Viewv,MotionEventevent)
{
if(mPopupWindow.isShowing())
{
Trace.Log("-------------------onTouch------------");
mPopupWindow.dismiss();
}
returnfalse;
}
});
}
if(mPopupWindow.isShowing())
{
mPopupWindow.dismiss();
}
else
{
Viewparent=findViewById(R.id.newest);
mPopupWindow.showAsDropDown(parent);//显示再指定控件的下面
}
}
