Android 改变标题栏的背景色

1：styles.xml

<!-- Activity theme -->
    <style name="CustomTheme" parent="android:Theme">
        <item name="android:windowTitleBackgroundStyle">@style/TitleBackground</item>
    </style>
    <style name="TitleBackground">
        <item name="android:background">#ff8f26</item>
    </style>

2:AndroidManifest.xml

<activity
            android:theme="@style/CustomTheme">