Using global variables in Objective-C

Question

First of all, I tried almost all the solutions given in stackoverflow but I didn\'t succeed in implement global vars, I even did a step by step tutorial and still I get the

Answer 1

Why donot you try something like:

#import "GlobalVars.h"

NSArray *farmerlist;
NSArray *truckBoxes;
NSString *farmerCardNumber = nil;
NSString *fName = nil;
@implementation GlobalVars
{

}
@end

or

#import "GlobalVars.h"

NSArray *farmerlist;
NSArray *truckBoxes;
NSString *farmerCardNumber = @"";
NSString *fName = @"";
@implementation GlobalVars
{

}
@end

AND it seems like you have passed mutable array to your string varibale, that is why you are getting that error.