android - PopupWindow Enter Exit Animation not working on Marshmallow (23) -

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i have set enter/exit animation style popupwindow 

 mpopupwindow.setanimationstyle(r.style.popupanimation);

and style as

<style name="popupanimation" parent="widget.appcompat.popupwindow">     <item name="android:windowenteranimation">@anim/popup_show</item>     <item name="android:windowexitanimation">@anim/popup_hide</item> </style>

so , when popupwindow show/hide has animations works fine lollipop , previous android versions. marshmallow popup shows after animation time interval , no animation effects.

popup-show.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"> <alpha android:fromalpha="0.0"     android:toalpha="1.0"     android:interpolator="@android:anim/accelerate_interpolator"     android:duration="1000"/>

popup-hide.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"> <alpha android:fromalpha="1.0"     android:toalpha="0"     android:interpolator="@android:anim/accelerate_interpolator"     android:duration="1000"/> </set>


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