How to call a selector in a different class

开发者_运维知识库How would this code be different if the method was in a different class?

[saveButton addTarget:self action:@selector(saveArray) forControlEvents:UIControlEventTouchUpInside];

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Pass the object (which responds to the method) as the target parameter.

[saveButton addTarget:targetObj action:@selector(saveArray) forControlEvents:UIControlEventTouchUpInside];

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You'd have to replace self with an instance of the other class.