styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">

        <!-- Customize your theme here. -->
        <item name="android:background">@color/app_bg</item>
        <item name="android:actionBarStyle">@style/AppActionBar</item>
    </style>

    <style name="AppActionBar" parent="@style/Widget.AppCompat.ActionBar">
        <item name="android:background">@color/actionbar_bg</item>
        <item name="android:icon">@drawable/ic_actionbar</item>
        <item name="android:titleTextStyle">@style/AppActionBarTitleText</item>
        <item name="titleTextStyle">@style/AppActionBarTitleText</item>
    </style>

    <style name="AppActionBarTitleText" parent="@style/TextAppearance.AppCompat.Widget.ActionBar.Title">
        <item name="android:textColor">@color/actionbar_text</item>
        <item name="android:background">@color/actionbar_bg</item>
    </style>

</resources>