用行动吧,但没有标题的活动? [英] Activity with action bar but without title?
问题描述
如何实现这一目标?这似乎很简单,但实际上,这并不容易做,在可以接受的方式。我想这样的:
How to achieve this? It seems very simple, but actually it's not easy to do it in acceptable way. I tried this:
1)AndroidManifest我设置活动主题Theme.NoTitleBar。然而,在我的活动,然后getActionBar()方法返回null => UNUSABLE
1) in AndroidManifest I set activity theme to Theme.NoTitleBar. However, in my Activity then getActionBar() method returns null => UNUSABLE
2)我在活动编程隐藏标题致电:
2) I hide title programatically in my activity by calling:
actionbar.setDisplayShowTitleEnabled(false);
actionbar.setDisplayShowHomeEnabled(false);
和它帮助,但有一个小的延迟,这样我就可以看到标题栏也许第二季度的活动推出后,然后消失。它看起来非常蹩脚。
and it helped, but there's a little delay, so I can see title bar maybe quarter of second after activity launch, then it disappears. It looks really lame.
是否还有其他选择?
推荐答案
应用自定义主题的活动,是这样的:
Apply a custom theme to your Activity, something like:
<style name="TestTheme" parent="android:Theme.Holo.Light">
<item name="android:actionBarStyle">@style/TestActionBar</item>
</style>
<style name="TestActionBar" parent="android:style/Widget.Holo.Light.ActionBar">
<item name="android:background">@drawable/actionbar_background</item>
<item name="android:displayOptions"></item>
</style>
这将显示带有徽标的操作栏,但没有标题。
This will show the action bar with the logo, but no title.
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