编辑器报错:No known instance method for selector 'respondsToSelector:'
说明 在创建protocol的时候没有继承NSObject;
@protocol viewDelegate
@end
后面加上<NSObject>
@protocol viewDelegate<NSObject>
@end
编辑器报错:No known instance method for selector 'respondsToSelector:'
说明 在创建protocol的时候没有继承NSObject;
@protocol viewDelegate
@end
后面加上<NSObject>
@protocol viewDelegate<NSObject>
@end
本文标题:No known instance method for sel
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