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223 ワード
UIWindow keyWindow = [[UIApplication sharedApplication] keyWindow];
UIView firstResponder = [keyWindow performSelector:@selector(firstResponder)];
/ ( )
:http://www.jianshu.com/p/f58e1036de4e
UIWindow keyWindow = [[UIApplication sharedApplication] keyWindow];
UIView firstResponder = [keyWindow performSelector:@selector(firstResponder)];
/ ( )
:http://www.jianshu.com/p/f58e1036de4e