objc runtime replace Method

Submitted by lepton on Fri, 11/18/2016 - 12:52

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#import <objc/runtime.h>

static NSArray *custom_method(id obj,SEL _cmd){
    return @[];
}

void replace_method(){
    Class class = NSClassFromString(@"ClassName");
    SEL  cmd = @selector(selector);
    class_replaceMethod(class,cmd,(IMP)custom_method,NULL);
}

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