Android 7.0 及以上 showAsDropDown 无法正确显示 POP

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我发现在 Android 7.0 及以上 showAsDropDown 无法正确显示在控件的下发，总是遮住控件

class KtSearchGuidePop(context: Context) : BasePopWindow(context) {
    override fun getAnimateView(): View = animateView

    override fun getLayoutId(): Int = R.layout.pop_search_guide

    override fun getBackDrawableColor(): Int = Color.TRANSPARENT

    override fun isSupportBGDismiss(): Boolean = true

    override fun showAsDropDown(anchor: View) {
        if (Build.VERSION.SDK_INT >= 24) {
            val rect = Rect()
            anchor.getGlobalVisibleRect(rect)
            val h = anchor.resources.displayMetrics.heightPixels - rect.bottom
            height = h
        }
        super.showAsDropDown(anchor)
    }

    override fun showAsDropDown(anchor: View, xoff: Int, yoff: Int) {
        if (Build.VERSION.SDK_INT >= 24) {
            val rect = Rect()
            anchor.getGlobalVisibleRect(rect)
            val h = anchor.resources.displayMetrics.heightPixels - rect.bottom
            height = h
        }
        super.showAsDropDown(anchor, xoff, yoff)
    }

    override fun initPop(context: Context?, layoutId: Int) {
        super.initPop(context, layoutId)
        RxUtil.click(parent){
            dismissAfterAnimation()
        }
    }
}