Android PopupWindow的showAsDropDown位置失效的问题

突然发现Android PopupWindow的showAsDropDown位置失效，听说是Android的sdk版本兼容问题，须要本身重写改方法，安卓的坑真多啊
在网上找了好多方法无论用，最后终于找到一个能够的：
贴一下解决方法，感谢
重写showAsDropDown(view)就解决了。

public class SupportPopupWindow extends PopupWindow {

public SupportPopupWindow(View contentView, int width, int height){
    super(contentView,width,height);
}

[@Override](https://my.oschina.net/u/1162528)
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);
}

[@Override](https://my.oschina.net/u/1162528)
public void showAsDropDown(View anchor, int xoff, int yoff) {
    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, xoff, yoff);
}

}

做者：alwaysGoalong 来源：CSDN 原文：https://blog.csdn.net/alwaysGoalong/article/details/80455427