在tabbar+nav的界面中，tabbar文字不显示

[Kienty]

-(void)initTabBarController
{
// self.delegate = self;

UIViewController *homeVC = [[UIViewController alloc] init];
homeVC.title = @"测试1";
EasyNavigationController *homeNag = [self settingTabbarItemWithRootVC:homeVC img:@"tab_home_note" selectImg:@"tab_home_selected"];

UIViewController *discoveryVC = [[UIViewController alloc] init];
discoveryVC.title = @"测试2";
EasyNavigationController *workProNag = [self settingTabbarItemWithRootVC:discoveryVC img:@"tab_dynamic_note" selectImg:@"tab_dynamic_selected"];

UIViewController *orderVC = [[UIViewController alloc] init];
orderVC.title = @"测试3";
EasyNavigationController *processNag = [self settingTabbarItemWithRootVC:orderVC img:@"tab_chat_note" selectImg:@"tab_chat_selected"];

UIViewController *mineVC = [[UIViewController alloc] init];
mineVC.title = @"测试4";
EasyNavigationController *mineNav = [self settingTabbarItemWithRootVC:mineVC img:@"tab_mine_note" selectImg:@"tab_home_selected"];
//workProNag
self.viewControllers = @[homeNag,workProNag,processNag,mineNav];
self.selectedIndex = 0;

}

• (EasyNavigationController *)settingTabbarItemWithRootVC:(id)VC img:(NSString *)imgStr selectImg:(NSString *)selectImg
  {
  EasyNavigationController *nag = [[EasyNavigationController alloc] initWithRootViewController:VC];
  [nag.tabBarItem setImage:[[UIImage imageNamed:imgStr] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]];
  [nag.tabBarItem setSelectedImage:[[UIImage imageNamed:selectImg] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]];
  [nag.tabBarItem setTitleTextAttributes:[NSDictionary dictionaryWithObject:[UIColor blackColor] forKey:NSForegroundColorAttributeName] forState:UIControlStateNormal];
  [nag.tabBarItem setTitleTextAttributes:[NSDictionary dictionaryWithObject:[UIColor blackColor] forKey:NSForegroundColorAttributeName] forState:UIControlStateSelected];
  return nag;
  }