android - When click on OptionMenu it shows black background on kitkat -

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when clicking on optionmenuitem on toolbar shows black background . getting issue on kitkat device , working on lollipop , higher

    // toolbar using       <android.support.v7.widget.toolbar xmlns:android="http://schemas.android.com/apk/res/android"                 xmlns:local="http://schemas.android.com/apk/res-auto"                 android:id="@+id/toolbar"                 android:layout_width="match_parent"                 android:layout_height="wrap_content"                 android:background="?attr/colorprimary"                 android:minheight="?attr/actionbarsize"                 local:popuptheme="@style/mycustompopuptheme"                 local:theme="@style/toolbarcustomtheme" />       // mycustompopuptheme theme works correctly       <style name="mycustompopuptheme" parent="themeoverlay.appcompat.light">             <item name="windownotitle">true</item>             <item name="colorprimary">@color/colorprimary</item>             <item name="colorprimarydark">@color/colorprimarydark</item>             <item name="coloraccent">@color/coloraccent</item>             <item name="actionmenutextcolor">@color/white</item>             <item name="android:background">@color/white</item>             <!--  item setting background color of item selected list -->             <item name="listchoicebackgroundindicator">@color/white</item>         </style>    // toolbarcustomtheme theme here getting issue extending themeoverlay.appcompat.dark.actionbar theme      <style name="toolbarcustomtheme" parent="themeoverlay.appcompat.dark.actionbar">             <item name="windownotitle">true</item>             <item name="colorprimary">@color/colorprimary</item>             <item name="colorprimarydark">@color/colorprimarydark</item>             <item name="coloraccent">@color/coloraccent</item>             <item name="actionmenutextcolor">@color/white</item>             <item name="android:background">@color/colorprimary</item>             <item name="background">@color/colorprimary</item>         </style>

try setting alpha when defining colors. if want red, instead of #ff0000 define #ffff0000.

in case @color/white simple #ffffff, use predefined @android:color/white. theres couple predefined ones.


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