Change default alert dialog theme's accentColor

        <item name="android:colorPrimaryDark">@color/primary_color_dark</item>

        <item name="android:colorPrimary">@color/primary_color</item>

        <item name="android:colorAccent">@color/primary_color</item>

        <item name="android:alertDialogTheme">@style/ContactsAlertDialogTheme</item>

        <item name="list_item_height">?android:attr/listPreferredItemHeight</item>

        <item name="activated_background">@drawable/list_item_activated_background</item>

        <item name="section_header_background">@drawable/list_title_holo</item>

        <item name="android:textColor">#363636</item>

        <item name="android:fontFamily">sans-serif</item>

    </style>

    <!-- Inherit from Theme.Material.Light.Dialog instead of Theme.Material.Light.Dialog.Alert

        since the Alert dialog is private. They are identical anyway. -->

    <style name="ContactsAlertDialogTheme" parent="@android:style/Theme.Material.Light.Dialog">

        <item name="android:colorAccent">@color/primary_color</item>

    </style>

</resources>