PopWindow的showAsDropDown在7.0手机上显示位置错乱问题

只需要重写下面的方法即可：

@Override public void showAsDropDown(View anchor) { if(Build.VERSION.SDK_INT == 24) { Rect rect = new Rect(); anchor.getGlobalVisibleRect(rect); int h = anchor.getResources().getDisplayMetrics().heightPixels - rect.bottom; setHeight(h); } super.showAsDropDown(anchor); }