关于在iOS中的Google地图SDK上跟踪路线 [英] About tracing routes on Google Maps SDK in iOS

问题描述

是否可以使用Google Maps SDK for iOS在用户的当前位置和所选目的地之间绘制路线？我读过很多网页，谷歌不允许这样做，这是真的吗？如果是这样的话，Google地图应用程序可以实现这一功能吗？

请分享您的想法。

解决方案

Maps SDK允许您在地图上绘制多段线。请参阅 https://developers.google.com/maps/documentation/ios/shapes

当您从地点A到B查询路线时，Google路线API为您提供多义线。请参阅 https://developers.google.com/maps/documentation/directions/#JSON

我不认为地图SDK可以直接使用方向API给出的格式，但您必须自己处理。看到这个线程的解决方案：

希望这有助于您！

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Is it possible to draw routes between the user's current location and the destination chosen, using Google Maps SDK for iOS ? I've read in many webpages that google does not allow this, is that true ? If so, how it comes that this is possible with the Google Maps app for iPhone ?

Please share your thoughts.

解决方案

The Maps SDK allows you to draw Polylines on your map. See https://developers.google.com/maps/documentation/ios/shapes

The Google Directions API gives you Polylines when you query directions from location A to B. See https://developers.google.com/maps/documentation/directions/#JSON

I don't think the Maps SDK can directly use the format given by the Direction API though, you will have to handle this yourself. See this thread for a solution to this : How to decode the Google Directions API polylines field into lat long points in objective-C for iPhone?

Hope this helps!

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