objective-c – 将CFDictionaryRef转换为NSDictionary?
发布时间:2020-12-15 01:44:43 所属栏目:百科 来源:网络整理
导读:我有代码(剥离): CFDictionaryRef *currentListingRef;//declare currentListingRef hereNSDictionary *currentListing;currentListing = (NSDictionary *) currentListingRef; 然后我得到错误: Cast of a non-Objective-C pointer type ‘CFDictionaryRef
我有代码(剥离):
CFDictionaryRef *currentListingRef; //declare currentListingRef here NSDictionary *currentListing; currentListing = (NSDictionary *) currentListingRef; 然后我得到错误:
我究竟做错了什么?如何从CFDictionaryRef转换为NSDictionary? 解决方法
ARC改变了桥接的工作方式.
NSDictionary *original = [NSDictionary dictionaryWithObject:@"World" forKey:@"Hello"]; CFDictionaryRef dict = (__bridge CFDictionaryRef)original; NSDictionary *andBack = (__bridge NSDictionary*)dict; NSLog(@"%@",andBack); (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |
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