在4.0在自己之上的标题栏定义

private void setCustomTitle() {
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
setContentView(R.layout.main);
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,
R.layout.customtitle);
}

<style name="CustomizedWindowTitleBackground">
<item name="android:background">#044BF6</item>
</style>

<style name="titlebarstyle" parent="android:Theme">
<item name="android:windowTitleSize">48dp</item>
<item name="android:windowTitleBackgroundStyle">@style/CustomizedWindowTitleBackground</item>
</style>