黄色警告的解决办法
在ARC项目中使用 performSelector: withObject: 函数出现“performSelector may cause a leak because its selector is unknown”。
主要是警告信息,在非ARC项目中没有这个警告。如果是在某一处修改只需要加入下列代码:
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
[self.ticketTarget performSelector: self.ticketAction withObject: self];//此处是你调用函数的地方
#pragma clang diagnostic pop
#define SuppressPerformSelectorLeakWarning(Stuff) \
do { \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored "-Warc-performSelector-leaks"") \
Stuff; \
_Pragma("clang diagnostic pop") \
} while (0)
如果没有返回结果,可以直接按如下方式调用:
SuppressPerformSelectorLeakWarning(
[_target performSelector:_action withObject:self]
);
如果要返回结果,可以按如下方式调用:
id result; SuppressPerformSelectorLeakWarning( result = [_target performSelector:_action withObject:self] );
原博客地址:http://blog.sina.com.cn/s/blog_7dc11a2e0101gsk0.html