NSArray *arr1 = [[NSArray alloc]initWithObjects:@"0",@"5",nil];
NSData *data = [NSKeyedArchiver archivedDataWithRootObject:arr1];
NSArray *arr2 = [NSKeyedUnarchiver unarchiveObjectWithData:data];
NSLog(@"->%@",[arr1 objectAtIndex:1]);
NSLog(@"->%@",[arr2 objectAtIndex:1]);