UISegmentedControl

//初始化UI_segmentedControl

NSArray *segmentedArray = [[NSArray alloc]initWithObjects:@"1",@"2",@"3",@"4",nil];

UISegmentedControl *segmentedTemp = [[UISegmentedControl  alloc]initWithItems:segmentedArray];

//设置指定索引的题目

[_segmentedControl  setTitle:@"two"forSegmentAtIndex:1];

    //设置指定索引的图片

    [_segmentedControl  setImage:[UIImage   imageNamed:@"icon_153"]forSegmentAtIndex:3];

    //在指定索引插入一个选项并设置图片

    [_segmentedControl   insertSegmentWithImage:[UIImage  imageNamed:@"icon_157"]atIndex:2animated:NO];

    //在指定索引插入一个选项并设置题目

    [_segmentedControl  insertSegmentWithTitle:@"insert"atIndex:3animated:NO];

    //移除指定索引的选项

    [_segmentedControl  removeSegmentAtIndex:0animated:NO];

    //设置指定索引选项的宽度

    [_segmentedControl setWidth:70.0forSegmentAtIndex:2];

    //设置选项中图片距左上角的位置

    [_segmentedControl setContentOffset:CGSizeMake(0,0)forSegmentAtIndex:1];

    

    //获取指定索引选项的图片imageForSegmentAtIndex：

    UIImageView *imageForSegmentAtIndex = [[UIImageView alloc]initWithImage:[_segmentedControl imageForSegmentAtIndex:1]];

    //获取指定索引选项的标题titleForSegmentAtIndex

    UILabel *titleForSegmentAtIndex = [[UILabel alloc]initWithFrame:CGRectMake(100.0,100.0,30.0,30.0)];

    //获取总选项数_segmentedControl.numberOfSegments

    UILabel *numberOfSegments = [[UILabel alloc]initWithFrame:CGRectMake(140.0,100.0,30.0,30.0)];

    

   //获取指定索引选项的宽度widthForSegmentAtIndex：

    UILabel *widthForSegmentAtIndex = [[UILabel alloc]initWithFrame:CGRectMake(180.0,100.0,70.0,30.0)];

    //设置默认选择项索引

    _segmentedControl.selectedSegmentIndex =2;

    _segmentedControl.tintColor = [UIColor  redColor];

    

    //设置样式

    _segmentedControl.segmentedControlStyle =UISegmentedControlStylePlain;

     

    //设置在点击后是否恢复原样

    _segmentedControl.momentary =YES;

    

    //设置指定索引选项不可选

    [_segmentedControl  setEnabled:NO forSegmentAtIndex:4];

    

    //判断指定索引选项是否可选

    BOOL  enableFlag = [_segmentedControl  isEnabledForSegmentAtIndex:4];

[segmentedControl addTarget:selfaction:@selector(TransactionselectBut:)forControlEvents:UIControlEventValueChanged];

- (void)TransactionselectBut:(UISegmentedControl *)btn{

    if (btn.selectedSegmentIndex ==0) {

        [self.scrollViewsetContentOffset:CGPointMake(0,0) animated:YES];

        

    }elseif(btn.selectedSegmentIndex ==1){

        [self.scrollViewsetContentOffset:CGPointMake(DEVICE_AVALIABLE_WIDTH,0) animated:YES];

        

    }elseif(btn.selectedSegmentIndex ==2){

        

        [self.scrollViewsetContentOffset:CGPointMake(DEVICE_AVALIABLE_WIDTH *2, 0)animated:YES];

    }

}