我有这两个类,A类和B类。A类有一个B类的实例作为实例变量。B类是否有向A类发送消息或调用其方法之一的方法?
发布于 2013-10-21 20:23:40
您可以使用协议-委托范例来完成它。查看这里的官方文档:https://developer.apple.com/library/ios/documentation/cocoa/conceptual/ProgrammingWithObjectiveC/WorkingwithProtocols/WorkingwithProtocols.html
请看下面类似的问题:How do I set up a simple delegate to communicate between two view controllers?
https://stackoverflow.com/questions/19503742
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