使用iPhone中的谷歌地图计算两个位置之间的距离 [英] Calculate distance between two locations using google map in iphone

问题描述

我只是想计算两个位置之间的距离。
在哪个用户可以输入位置的地址，并从该地址我想要计算它们之间的距离。

是否可以使用这些地址计算CLLocation的距离？

首先，您需要将地址编码为纬度/经度，然后您可以使用CLLocation框架计算距离。
要对地址进行地理编码，您可以使用此转发地理编码API 。

  //获取CLLocation两个地址
 CLLocation * location = [[CLLocation alloc] initWithLatitude ：address.latitude longitude：address.longitude]; 
 
 //计算它们之间的距离
 CLLocationDistance distance = [firstLocation distanceFromLocation：secondLocation]; 
  

I just want to calculate distance between two location . In which user can enter both the location's addresses, and from that addresses I want to calculate the distance between them.

Is it possible to calculate distance from CLLocation using these addresses ?

解决方案

First you need to geocode the address to latitude/longitude, then you can use the CLLocation framework to calculate the distance. To geocode the adress, you could use this forward geocoding API.

// get CLLocation fot both addresses
CLLocation *location = [[CLLocation alloc] initWithLatitude:address.latitude longitude:address.longitude];

// calculate distance between them
CLLocationDistance distance = [firstLocation distanceFromLocation:secondLocation];

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