文章列表
About quot;Declaration is only valid at file scopequot;(关于“声明仅在文件范围内有效)
Several UIAlertViews for a delegate(代表的几个 UIAlertViews)
Observing Changes to a mutable array using KVO vs. NSNotificationCenter(使用 KVO 与 NSNotificationCenter 观察对可变数组的更改)
Delegates, can#39;t get my head around them(代表们，我无法理解他们)
Cannot assign a value of type ViewController to a value of type UITextFieldDelegate?(无法将 ViewController 类型的值分配给 UITextFieldDelegate 类型的值?)
Trying to understand protocol/delegates in Swift(试图理解 Swift 中的协议/委托)
NSURLConnection doesn#39;t call delegate methods(NSURLConnection 不调用委托方法)
Passing data between 2 UIViewController using delegate and protocol(使用委托和协议在 2 个 UIViewController 之间传递数据)
Set delegates to nil under ARC?(在 ARC 下将代表设置为零?)
Get current view controller from the app delegate (modal is possible)(从应用程序委托获取当前视图控制器(模式是可能的))
