Swift2.0中解决访问资源库函数 - (void)image:(UIImage *)image
发布时间:2020-12-14 01:42:19 所属栏目:百科 来源:网络整理
导读://访问保存照片 UIImageWriteToSavedPhotosAlbum(UIImage *image,id completionTarget,SEL completionSelector,void *contextInfo); //只能调用这个方法 - (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)con
//访问保存照片 UIImageWriteToSavedPhotosAlbum(UIImage *image,id completionTarget,SEL completionSelector,void *contextInfo); //只能调用这个方法 - (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo; //Swfit2.0中要改变这个方法 - (void)image:(UIImage *)image didFinishSavingWithError:(NSError *) error contextInfo: (void *) contextInfo;
改变方法为: //解释:didFinishSavingWithError为外部参数。 在OC中有两个contextInfo ,Swift中自动推断后,删除一个contextInfo. @objc private func image(image: UIImage,didFinishSavingWithError error:NSError?,contextInfo: AnyObject) { print("保存成功")} 调用: UIImageWriteToSavedPhotosAlbum(image,self,"image:didFinishSavingWithError:contextInfo:",nil) (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! |