前言
最近发现一个问题，自iOS 10.0以后,项目中老是出现有关定位管理者的日志信息,说定位管理者最好放在主线程;在实际开发中,当在子线程中创建定位管理者,有可能收不到回调信息
提示信息如下:
A location manager (0x7fbafac12560) was created on a dispatch queue executing on a thread other than the main thread. It is the developer's responsibility to ensure that there is a run loop running
