popwindow在安卓7.0手机 显示错位的处理

    @Override
    public void showAsDropDown(View anchorView, int xoff, int yoff) {
        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.N) {
            int[] a = new int[2];
            anchorView.getLocationInWindow(a);
            showAtLocation(anchorView, Gravity.NO_GRAVITY, xoff, a[1] + anchorView.getHeight() + yoff);
        } else {
            super.showAsDropDown(anchorView, xoff, yoff);
        }
    }

    @Override
    public void showAsDropDown(View anchorView) {
        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.N) {
            int[] a = new int[2];
            anchorView.getLocationInWindow(a);
            showAtLocation(anchorView, Gravity.NO_GRAVITY, 0, a[1] + anchorView.getHeight());
        } else {
            super.showAsDropDown(anchorView);
        }
    }