styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
    <style name="LightDrawer" parent="Theme.Sherlock.Light">
        <item name="homeAsUpIndicator">@drawable/ic_drawer_light</item>
    </style>
    <style name="DarkDrawer" parent="Theme.Sherlock">
        <item name="homeAsUpIndicator">@drawable/ic_drawer_dark</item>
    </style>
    <style name="LightDarkDrawer" parent="Theme.Sherlock.Light.DarkActionBar">
        <item name="homeAsUpIndicator">@drawable/ic_drawer_dark</item>
    </style>

    <style name="Light" parent="Theme.Sherlock.Light"></style>
    <style name="Dark" parent="Theme.Sherlock"></style>
    <style name="LightDark" parent="Theme.Sherlock.Light.DarkActionBar"></style>

        <style name="Widget.ActionBar" parent="Widget.Sherlock.Light.ActionBar">
        <item name="android:background">@drawable/ab_bg_wood</item>
        <item name="background">@drawable/ab_bg_wood</item>
    </style>

    <style name="Widget.ActionBar.Transparent">
        <item name="android:background">@android:color/transparent</item>
        <item name="background">@android:color/transparent</item>
    </style>

        <style name="AppTheme" parent="@style/Theme.Sherlock">
    <item name="actionBarStyle">@style/AppTheme.ActionBar</item>
        <item name="android:background">@android:color/transparent</item>
    <item name="background">@android:color/transparent</item>

</style>

<style name="AppTheme.ActionBar" parent="@style/Widget.Sherlock.ActionBar">
    <item name="background">@android:color/transparent</item>
    <item name="android:background">@android:color/transparent</item>
</style>

</resources>