#if(PLATFORM==ANDROID)
    string url="android";
#elif(PLATFORM==IOS)
    string url="ios";
#endif

string url=URLHelper::getURL();

class URLHelper{
public:
    static std::string getURL();
};

#include "URLHelper.h"
std::string URLHelper::getURL(){
    return "android"
}

#include "URLHelper.h"
std::string URLHelper::getURL(){
    return "ios"
}