Beautification of ActionBar
1、
<style name="MyActionBar" parent="@Android:style/Widget.Holo.ActionBar">
<item name="android:windowActionBarOverlay">true</item>
<item name="android:background">@color/ab_background_color</item>
<item name="android:backgroundStacked">@color/ab_backgroundStacked_color</item>
<item name="android:backgroundSplit">@color/ab_backgroundSplit_color</item>
</style>
item name="android:background: The background color of the ActionBar itself.
item name="android:backgroundStacked": The background color of the Tab when the ActionBar is separated.
item name="android:backgroundSplit": The background of the ActionBar Item when it is split to the bottom color.item
name="android:background: blue item name="android:backgroundStacked": purple item name="android:backgroundSplit": green
