在android中更改actionbar样式

<style name="CustomActionBar" parent="@style/Widget.AppCompat.ActionBar">
    <item name="android:background">@color/custom_color</item>
    <item name="android:titleTextStyle">@style/CustomActionBarText</item>
</style>

<style name="CustomActionBarText" parent="@style/TextAppearance.AppCompat.Widget.ActionBar.Title">
    <item name="android:textColor">@color/custom_text_color</item>
</style>

<activity android:name=".MainActivity"
    android:theme="@style/CustomActionBar">
    ...
</activity>

getSupportActionBar().setIcon(R.drawable.custom_icon);
getSupportActionBar().setTitle("Custom Title");