Xcode：使用 googlemapAPI 或其他 API 离线 GPS 导航？
我需要创建一个 iphone 应用程序 ：离线旅游指南在有限位置使用GPS导航（一处，但区域广阔） ：包含有导航点的地图 ：当您到达某个区域（例如我到达寺庙时）时，程序将显示包含寺庙详细信息的内容 ：可以显示您已经去过和尚未去过的区域。
1.是否可以使用googlemap API或其他服务或其他方式（创建我自己的地图，在背景上使用地图图像并创建移动点）来做到这一点？
2.如果改成网上申请会更好吗？
谢谢你的建议，..
I need to create an iphone application that
: Offline Travel Guide Navigation with GPS at limited location(One place,but wide area)
: contain a map which has a navigation point
: when you arrive to some area like when I arrive to the temple, program will show content that contains a detail of the temple
: can be show that what area are you already have been there and not yet.
1.Is it possible to do this with googlemap API or another service or another way such as (create my own map,use an map image on the background and create a moving point)?
2.Is it better if I change to online application ?
thx for your advice,..
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如果我理解您的要求，您希望能够指定一个区域，然后从谷歌地图缓存该区域，以便您可以离线连接并仍然查看该地图区域。
如果这就是您所问的，那么这绝对是可能的 - 请参阅名为“Trails”的 iOS 应用程序。这就是这样做的。至于它是如何做到的，我不确定。我猜想它会假装它在某个地方，然后获取地图 API 来检索该数据，然后将缓存的数据存储在可以根据需要回调的地方。
祝你好运。
If I understand what you are asking, you want to have the ability to designate an area that will then be cached from google maps so you can then take the connection off-line and still view that map area.
If that is what you are asking, then that is defiantly possible - See the iOS app called 'Trails'. This does just that. As to how it does it, I am not sure. I would guess that it pretends it is somewhere and then get's the map API to retrieve that data, then stores the cached data somewhere where it can be called back as needed.
Good luck.