当我们导航到创建GMSMapView的视图控制器时，我们刚开始看到这些消息出现在Xcode的调试区域（控制台）中。一切似乎工作正常，我们只是不喜欢日志中的这样的消息。我们每次跑步都看不到它们，足以引起注意。这有点担心吗？
objc[15874]: Class _NSZombie_GMSx_PBString is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_PBString is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_PBString is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_PBString is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_PBString is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_GMMResourceResponseProto_Response is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_GMMResourceResponseProto is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_GMMResourceResponseProto is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
objc[15874]: Class _NSZombie_GMSx_GMMResourceResponseProto is implemented in both ?? and ??. One of the two will be used. Which one is undefined.
任何帮助将不胜感激！
答案 0 :(得分：3)
NSZombies已开启。转到产品 - ＆gt;方案 - ＆gt;编辑方案（CMD + SHIFT +。）并在运行中 - ＆gt;诊断取消选中＆＃34;启用Zombies＆＃34;。