在组装应用程序时，各个组件被线连到一个页面切换组件，这个组件将这些状态通知映射为特定的页面迁移。

At application assembly time, the components are wired to a page switching component that maps these notifications to the specific page transitions desired.

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要切换到地平线视图中，您可以电话倾斜向上或向下。

To switch to the horizon view, you can tilt the phone up or down.

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定义完状态，就能定义在状态之间的各种转场了。每个转场都会控制一条在一组样式和下一组样式之间切换的时间线。

After you define states, you can define transitions between the states. Each transition controls the timing of switching between one set of styles and the next.

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