Кастомизация TabBar( не выполняется ViewDidLoad )

- (void)viewDidLoad
{
    UIImage *selectedImage0 = [UIImage imageNamed:@"HomeDB.png"];
    UIImage *unselectedImage0 = [UIImage imageNamed:@"HomeLB.png"];
    
    UIImage *selectedImage1 = [UIImage imageNamed:@"ScheduleDB.png"];
    UIImage *unselectedImage1 = [UIImage imageNamed:@"ScheduleLB.png"];
    
    UIImage *selectedImage2 = [UIImage imageNamed:@"BuildingsDB.png"];
    UIImage *unselectedImage2 = [UIImage imageNamed:@"BuildingsLB.png"];
    
    UIImage *selectedImage3 = [UIImage imageNamed:@"InformationDB.png"];
    UIImage *unselectedImage3 = [UIImage imageNamed:@"InformationLB.png"];
    
    UIImage *selectedImage4 = [UIImage imageNamed:@"MoreDB.png"];
    UIImage *unselectedImage4 = [UIImage imageNamed:@"MoreLB.png"];
    
    UITabBar *tabBar = self.tabBarController.tabBar;
    UITabBarItem *item0 = [tabBar.items objectAtIndex:0];
    UITabBarItem *item1 = [tabBar.items objectAtIndex:1];
    UITabBarItem *item2 = [tabBar.items objectAtIndex:2];
    UITabBarItem *item3 = [tabBar.items objectAtIndex:3];
    UITabBarItem *item4 = [tabBar.items objectAtIndex:4];
    
    [item0 setFinishedSelectedImage:selectedImage0 withFinishedUnselectedImage:unselectedImage0];
    [item1 setFinishedSelectedImage:selectedImage1 withFinishedUnselectedImage:unselectedImage1];
    [item2 setFinishedSelectedImage:selectedImage2 withFinishedUnselectedImage:unselectedImage2];
    [item3 setFinishedSelectedImage:selectedImage3 withFinishedUnselectedImage:unselectedImage3];
    [item4 setFinishedSelectedImage:selectedImage4 withFinishedUnselectedImage:unselectedImage4];
    [super viewDidLoad];
  // Do any additional setup after loading the view, typically from a nib.
}