i'm getting this error:
我收到这个错误:
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Pushing the same view controller instance more than once is not supported
Terminatin
阅读背景：
如何检查控制器是否已经在navigationcontroller viewcontrollers堆栈上？
来源：互联网
分享到：
