摘要： Dynamically invoke a class method in Objective C 代码 import import "A.h" @implementation A (NSString )description { return [NSString stringWithString: 阅读全文

摘要： 解决方法 SEL selector = NSSelectorFromString(@"applySketchFilter:"); IMP imp = [FWApplyFilter methodForSelector:selector]; UIImage ( func)(id, SEL, UIImag 阅读全文

摘要： 问题 The certificate used to sign “AppName” has either expired or has been revoked. An updated certificate is required to sign and install the applicati 阅读全文