Tech
[程序员] 有没有做过运动 app 的？地图和定位功能用的哪个技术方案？
目前了解到，百度和高德地图的 sdk ，可以免费自己使用，但是如果把 app 发布到应用商店，就要取得授权，费用 5 万一年。有没有可靠的免费方案？
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