For information about how to define the action bar background, read Styling the action bar.

有关如何定义操作栏的背景资料之一，阅读样式化的操作栏。

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Now we're going to add the navigation bar background.

现在我们要添加导航栏的背景。

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A self-painted can set the background picture of the progress bar control class.

一个自绘的可以设置背景图片的进度条控件类。

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A self-painted can set the background picture of the progress bar control class.

一个自绘的可以设置背景图片的进度条控件类。

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