iPhone能否确定你是面向北，南，东还是西？ [英] Can the iPhone determine if you're facing north, south, east or west?

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iPhone能否判断您是面向北，南，东还是西？

Can the iPhone determine if you're facing north, south, east or west?

对于2.2你可能想看看下面添加到CoreLocation：

If you're developing for 2.2 you might want to take a look at the following additions to CoreLocation:

CLLocation.course

CLLocation .speed

CLLocation.speed

CLLocationDirection

CLLocationSpeed

CLLocation .course将给你的标题，将允许你确定北/南/东/西。

CLLocation.course will give you heading which will allow you to determine north/south/east/west.

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iPhone能否确定你是面向北，南，东还是西？ [英] Can the iPhone determine if you&#39;re facing north, south, east or west?