将iOS TabBar项目标题调整到其中心

//如何使第一个选项卡项标题“Article View”位于中间位置，而不向选项卡项添加任何//图像

//与下面的选项卡栏项目屏幕截图类似

//TabBarController code:

self.delegate=self;
self.tabBarController.tabBar.delegate=self;

CGRect viewFrame=self.tabBar.frame;
viewFrame.origin.y -=0;![enter image description here][1]
viewFrame.origin.x -=0;
viewFrame.size.height=30;
self.tabBar.frame=viewFrame;

firstViewController = [[FirstViewController alloc] initWithNibName:nil bundle:NULL];
secondViewController = [[SecondViewController alloc] initWithNibName:nil bundle:NULL];

NSArray *twoViewControllers = [[NSArray alloc] initWithObjects:
                                       self.firstViewController, self.secondViewController, nil];

self.viewControllers=twoViewControllers;



//    ====================================================
//    
//    FirstViewController code in initWithNibName: 
//    
//    To set the title of the first tabbar item:


- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        self.title = @"Article view";
        NSLog(@"count = %d",[self.tabBarController.tabBar.items count]);

    }
    return self;
}

---

将

initWithNibName

方法替换为

  [1]: http://i.stack.imgur.com/xBpVH.png


Thanks in advance.

self.tabBarItem.imageInsets=UIEdgeInsetsMake（5,0，-5,0）此行按以下方式调整tabBarItem的图像位置：

将图像沿x方向“+5”和y方向“-5”从
默认位置

玩
UIEdgeInsetsMake
并享受乐趣。干杯。
谢谢你帮了我，伙计。。我要求你不要在图片上工作，而是我应该改变标题的位置，然后它就固定了。很高兴我能帮上忙。如果你愿意，请检查一下答案；）：）谢谢你的提问，谢谢你的回答
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        self.title = @"Article view";
        self.tabBarItem.imageInsets = UIEdgeInsetsMake(5, 0, -5, 0);
        NSLog(@"count = %d",[self.tabBarController.tabBar.items count]);
    }
    return self;
}