View controllers can also display modal views, respond to low-memory warnings, and rotate views when the orientation changes.

视图控制器也可以显示独占的视图、回应低内存警告，以及当方向改变时旋转视图。

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As you can see, the backdrop rotates as we rotate the view.

就像你所看到的，在我们转动视角的同时，背景幕也随之转动。

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As you move and rotate your phone, the view on the map will change to show the proper direction.

手机移动和旋转时，地图上的景象也会随之调整显示正确的方向。

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Like, you could rotate the view from any perspective, go forward and back in time, et cetera, like a video game in replay mode?

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View pages in color, rotate the display to read documents on your laptop, or create a bookmark to take you to the page where you left off.

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The TV could show the view ahead, just like any other driving game but the controller shows the view out your cannon barrel, which can rotate and fire in any direction.

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