NSArray *segmentedArray = [[NSArrayalloc]initWithObjects:@"1",@"2",@"3",@"4",nil];   
//初始化UISegmentedControl   
UISegmentedControl *segmentedControl = [[UISegmentedControlalloc]initWithItems:segmentedArray];   
segmentedControl.frame = CGRectMake(20.0,……)  
// 設(shè)置默認(rèn)選擇項(xiàng)索引   
segmentedControl.selectedSegmentIndex = 2;  
segmentedControl.tintColor = [UIColor redColor];   
// 有基本四種樣式  
segmentedControl.segmentedControlStyle = UISegmentedControlStylePlain;  
segmentedControl.segmentedControlStyle = UISegmentedControlStyleBordered;  
segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;  
segmentedControl.segmentedControlStyle = UISegmentedControlStyleBezeled;  
  
  
// 設(shè)置在點(diǎn)擊后是否恢復(fù)原樣      
 segmentedControl.momentary = YES;  
 [segmentedControl setTitle:@"two" forSegmentAtIndex:1];//設(shè)置指定索引的題目   
 [segmentedControl setImage:[UIImage imageNamed:@"btn_jyy.png"] forSegmentAtIndex:3];//設(shè)置指定索引的圖片   
// 在指定索引插入一個(gè)選項(xiàng)并設(shè)置圖片  
 [segmentedControl insertSegmentWithImage:[UIImage imageNamed:@"mei.png"] atIndex:2 animated:NO];  
// 在指定索引插入一個(gè)選項(xiàng)并設(shè)置題目   
 [segmentedControl insertSegmentWithTitle:@"insert" atIndex:3 animated:NO];  
  
// 移除指定索引的選項(xiàng)   
 [segmentedControl removeSegmentAtIndex:0 animated:NO];  
// 設(shè)置指定索引選項(xiàng)的寬度   
 [segmentedControl setWidth:70.0 forSegmentAtIndex:2];  
// 設(shè)置選項(xiàng)中圖片等的左上角的位置   
 [segmentedControl setContentOffset:CGSizeMake(10.0,10.0) forSegmentAtIndex:4];  
  
 //獲取指定索引選項(xiàng)的圖片imageForSegmentAtIndex：   
 UIImageView *imageForSegmentAtIndex = [[UIImageViewalloc]initWithImage:[segmentedControl imageForSegmentAtIndex:1]];   
 imageForSegmentAtIndex.frame = CGRectMake(60.0, 120.0, 30.0, 30.0);  ;  
  
 //獲取指定索引選項(xiàng)的標(biāo)題titleForSegmentAtIndex   
 UILabel *titleForSegmentAtIndex = [[UILabel alloc]initWithFrame:CGRectMake(100.0, 160.0, 30.0, 30.0)];   
 titleForSegmentAtIndex.text = [segmentedControl titleForSegmentAtIndex:0];   
  
 //獲取總選項(xiàng)數(shù)segmentedControl.numberOfSegments   
 UILabel *numberOfSegments = [[UILabel alloc]initWithFrame:CGRectMake(140.0, 170.0, 30.0, 30.0)];   
 numberOfSegments.text = [NSString stringWithFormat:@"%d",segmentedControl.numberOfSegments];  
  
 //獲取指定索引選項(xiàng)的寬度widthForSegmentAtIndex：   
 UILabel *widthForSegmentAtIndex = [[UILabel alloc]initWithFrame:CGRectMake(180.0, 210.0, 70.0, 30.0)];   
 widthForSegmentAtIndex.text = [NSString stringWithFormat:@"%f",[segmentedControl widthForSegmentAtIndex:2]];   
   
// [segmentedControl setEnabled:NO forSegmentAtIndex:4];//設(shè)置指定索引選項(xiàng)不可選   
// BOOL enableFlag = [segmentedControl isEnabledForSegmentAtIndex:4];//判斷指定索引選項(xiàng)是否可選   
   [mySegmentedControladdTarget:selfaction:@selector(didClicksegmentedControlAction:)forControlEvents:UIControlEventValueChanged];    
  
oid)didClicksegmentedControlAction:(UISegmentedControl *)Seg{  
 NSInteger Index = Seg.selectedSegmentIndex;  
 NSLog(@"Index %i", Index);  
 switch (Index) {  
     case 0:  
         [self selectmyView1];  
         break;  
     case 1:  
         [self selectmyView2];  
         break;  
     case 2:  
         [self selectmyView3];  
         break;  
     case 3:  
         [self selectmyView4];  
         break;  
…………………………….  
     default:  
         break;  
 } 

原文出處：http://blog.csdn.net/hmt20130412/article/details/38390493