可滑动的标题

这个是在导航栏上 添加 可滑动的标题！

self.scrollView=[[UIScrollView alloc]init];

self.scrollView.frame=CGRectMake(0, 0, self.view.frame.size.width, 30);

self.scrollView.contentSize=CGSizeMake(610, 30);

self.scrollView.showsHorizontalScrollIndicator=NO;

self.scrollView.delegate=self;

UILabel *titleLabel1=[[UILabel alloc]initWithFrame:CGRectMake(55, 00,100, 30)];

titleLabel1.text=@"体育";

UILabel *titleLabel2=[[UILabel alloc]initWithFrame:CGRectMake(155, 00, 100, 30)];

titleLabel2.text=@"非新闻";

UILabel *titleLabel3=[[UILabel alloc]initWithFrame:CGRectMake(255, 00, 100, 30)];

titleLabel3.text=@"科技";

UILabel *titleLabel4=[[UILabel alloc]initWithFrame:CGRectMake(355, 00, 100, 30)];

titleLabel4.text=@"军事";

UILabel *titleLabel5=[[UILabel alloc]initWithFrame:CGRectMake(455, 00, 100, 30)];

titleLabel5.text=@"历史";

self.labels=@[titleLabel1,titleLabel2,titleLabel3,titleLabel4,titleLabel5];

for (UILabel *label in self.labels) {

label.textAlignment=NSTextAlignmentCenter;

[self.scrollView addSubview:label];

}

self.scrollView.bounces=NO;

self.navigationItem.titleView=self.scrollView;

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{

CGPoint offSet=self.scrollView.contentOffset;

for (int i=0; i