<style name="Theme.ArgleBargle" parent="@style/Theme.AppCompat.Light">
    <item name="colorPrimary">@color/primary</item>
    <item name="colorAccent">@color/accent</item>
    <item name="vpiIconPageIndicatorStyle">@style/Widget.IconPageIndicator</item>
    <item name="vpiTabPageIndicatorStyle">@style/Widget.TabPageIndicator</item>
    <item name="windowActionBar">false</item>
    <item name="windowActionBarOverlay">true</item>
    <item name="android:windowActionBarOverlay">true</item>
    <item name="android:windowBackground">@color/background</item>
</style>

<style name="CustomActionBar" parent="@style/ThemeOverlay.AppCompat.Light">
    <item name="android:windowActionBarOverlay">true</item>
    <!-- Support library compatibility -->
    <item name="windowActionBarOverlay">true</item>
</style>

<android.support.v7.widget.Toolbar
        android:id="@+id/actionbar"
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:minHeight="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        app:theme="@style/CustomActionBar"/>

actionbar = (Toolbar) findViewById(R.id.actionbar);;
setSupportActionBar(actionbar);