I am not using a navigation drawer . I only am using a menu.xml and i want to draw a line separating between these items. I am sure that the line is drawn but i think its color is white so i cannot see it , how can i change its color? Thank you
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
    tools:context="com.orangelabs.crypto.blindstorage.android.poc.HomeActivity">
    <group android:checkableBehavior="none"
        android:id="@+id/group1">
    <item android:id="@+id/action_disconnect"
        android:title="@string/action_disconnect"
        app:showAsAction="never"/>
    <item android:id="@+id/action_upload"
        android:title="@string/action_upload"
        app:showAsAction="never">
    <menu>
        <item android:id="@+id/action_chiffre"
            android:title="@string/action_chiffre"
            app:showAsAction="never"/>
        <item android:id="@+id/action_non_chiffre"
            android:title="@string/action_non_chiffre"
            app:showAsAction="never"/>
    </menu>
</item>
    <item android:id="@+id/action_create_folder"
        android:title="@string/action_create_folder"
        app:showAsAction="never"/>
</group>
    <group android:checkableBehavior="none"
        android:id="@+id/group2">
        <item android:id="@+id/action_logs"
            android:title="@string/a_propos"
            app:showAsAction="never"/>
    </group>
</menu>