ios之"performSelector may cause a leak because its selector is unknown"警告原因及其解决办法

【ios之"performSelector may cause a leak because its selector is unknown"警告原因及其解决办法】的更多相关文章

ios之"performSelector may cause a leak because its selector is unknown"警告原因及其解决办法

问题描述项目中使用到了从字符串创建选择器,编译时发现警告:"performSelector may cause a leak because its selector is unknown"(因为performSelector的选择器未知可能会引起泄漏),为什么在ARC模式下会出现这个警告? 经过搜索后,在Stackoverflow上发现了一个令人满意的答案.见http://stackoverflow.com/questions/7017281/performselector-may…

PerformSelector may cause a leak because its selector is unknown 解决方法

我的技术博客经常被流氓网站恶意爬取转载.请移步原文:http://www.cnblogs.com/hamhog/p/3801030.html,享受整齐的排版.有效的链接.正确的代码缩进.更好的阅读体验. 在Objective-C中需要以函数名或者函数指针来调用函数时,以回调函数为例,对象为(id)target,它的成员函数名为callback,之前习惯是这么写的: if ([target respondsToSelector:callback]){ [target performSelector…

performSelector may cause a leak because its selector is unknown

转自:http://www.jianshu.com/p/6517ab655be7 问题我在 ARC 模式下编译出了这个 warning: "performSelector may cause a leak because its selector is unknown". 我的代码是这么写的: [_controller performSelector:NSSelectorFromString(@"someMethod")]; 为什么会有这个 warning 呢?我…

objective-c "performSelector may cause a leak because its selector is unknown".

#define SuppressPerformSelectorLeakWarning(Stuff) \ do { \ _Pragma("clang diagnostic push") \ _Pragma("clang diagnostic ignored \"-Warc-performSelector-leaks\"") \ Stuff; \ _Pragma("clang diagnostic pop") \ } ) Supp…

performSelector may cause a leak because its selector is unknown解决

解决方法 SEL selector = NSSelectorFromString(@"applySketchFilter:"); IMP imp = [FWApplyFilter methodForSelector:selector]; UIImage* (*func)(id, SEL, UIImage*) = (void *)imp; UIImage *image = func([FWApplyFilter class], selector, self.currentImage);…

warning:performSelector may cause a leak because its selector

warning:performSelector may cause a leak because its selector 在ARC项目中使用 performSelector: withObject: 函数出现“performSelector may cause a leak because its selector is unknown”.在stackoverflow找到了一个解决方案,地址:http://stackoverflow.com/questions /7017281/pe…

iOS注册远程推送消息证书后提示此证书签发者无效的解决办法

大熊猫猪·侯佩原创或翻译作品.欢迎转载,转载请注明出处. 如果觉得写的不好请多提意见,如果觉得不错请多多支持点赞.谢谢! hopy ;) 我们在编写关于远程推送消息的App时需要注册一个相关的证书,我们可以到Apple开发网站的Certificates, Identifiers & Profiles页面首先创建一个App ID. 其中进入Push Notifications选项,并且在其子项Development SSL Certificate中选择创建证书(因为该证书是调试用的,所以在Deve…