presentViewController在iOS 6中不支持方向
Iamusingthiscode我正在使用此代码if([selfrespondsToSelector:@selector(presentViewController:animated:completion:)]){[selfpresentViewController:navigationContro...
iOS7,8 presentViewController 执行慢
解决办法:1,使用GCD用主线程跳转dispatch_async(dispatch_get_main_queue(),^{//跳转代码...});2,召唤主线程,使用performSelector在主线程随便执行一个方法[selfperformSelector:@selector(anyMethod...