初始化

UISegmentedControl *segmentedControl = [[UISegmentedControlalloc]initWithItems:Array];   

屬性

 //Segment的樣式
@property(nonatomic) UISegmentedControlStyle segmentedControlStyle

 //Segment的數(shù)量
 @property(nonatomic,readonly) NSUInteger numberOfSegments;  

 //被選中的索引
 @property(nonatomic) NSInteger selectedSegmentIndex;

//設(shè)置UISegmentedControl的邊框望拖，分隔線帆疟，文字汽绢，點(diǎn)擊后的顏色
 @property(nonatomic,retain) UIColor *tintColor;

//默認(rèn)值為NO混聊，即點(diǎn)擊后保持選中狀態(tài)拟淮，如果設(shè)置為YES則侣灶，只是短暫的顯示選中狀態(tài)
 @property(nonatomic,getter=isMomentary) BOOL momentary;

 //是否根據(jù)內(nèi)容的大小自動(dòng)調(diào)整寬度
 @property(nonatomic) BOOL apportionsSegmentWidthsByContent 

常用方法

//添加事件         
[segmentedControl addTarget:self action:@selector(controlPressed:) forControlEvents:UIControlEventValueChanged];

//通過(guò)索引設(shè)置以及獲取Title和Image          
 - (void)setTitle:(NSString *)title forSegmentAtIndex:(NSUInteger)segment;
 - (NSString *)titleForSegmentAtIndex:(NSUInteger)segment;
 - (void)setImage:(UIImage *)image forSegmentAtIndex:(NSUInteger)segment;
 - (UIImage *)imageForSegmentAtIndex:(NSUInteger)segment;

//在索引點(diǎn)插入一個(gè)新的標(biāo)題的segment
 - (void)insertSegmentWithTitle:(NSString *)title atIndex:(NSUInteger)segment animated:(BOOL)animated;

 //在索引點(diǎn)插入一個(gè)新的圖片的segment
 - (void)insertSegmentWithImage:(UIImage *)image  atIndex:(NSUInteger)segment animated:(BOOL)animated;
 - (void)removeSegmentAtIndex:(NSUInteger)segment animated:(BOOL)animated;
 - (void)removeAllSegmens;

 //獲取和設(shè)置背景圖片才漆，通過(guò)UIControlState和barMetrics的進(jìn)行設(shè)置和獲取芽隆，主要需要先設(shè)置UIControlStateNormal才會(huì)有效果
 - (UIImage *)backgroundImageForState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics
 - (void)setBackgroundImage:(UIImage *)backgroundImage forState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics

 //設(shè)置分割線的圖片樣式询微，首先需要設(shè)置UIControlStateNormal不管左邊還是右邊崖瞭，設(shè)置完成后再調(diào)用設(shè)置方法书聚，根據(jù)UIControlState顯示分割線
 - (void)setDividerImage:(UIImage *)dividerImage forLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState barMetrics:(UIBarMetrics)barMetrics
 - (UIImage *)dividerImageForLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState barMetrics:(UIBarMetrics)barMetric    

//設(shè)置Title的樣式雌续，包括 font, text color,  shadow。通過(guò)NSAttributedString.h里面的鍵值對(duì)
 - (void)setTitleTextAttributes:(NSDictionary *)attributes forState:(UIControlState)state 
 - (NSDictionary *)titleTextAttributesForState:(UIControlState)state 

 //調(diào)整title和image的位置，通過(guò)給定的segment 
 - (void)setContentPositionAdjustment:(UIOffset)adjustment forSegmentType:(UISegmentedControlSegment)leftCenterRightOrAlone barMetrics:(UIBarMetrics)barMetrics 
 - (UIOffset)contentPositionAdjustmentForSegmentType:(UISegmentedControlSegment)leftCenterRightOrAlone barMetrics:(UIBarMetrics)barMetrics 


 //通過(guò)索引調(diào)整每個(gè)segment的width鸽心，如果設(shè)置為0.0則表示自動(dòng)調(diào)整大小藤肢，默認(rèn)為0.0
 - (void)setWidth:(CGFloat)width forSegmentAtIndex:(NSUInteger)segment;
 - (CGFloat)widthForSegmentAtIndex:(NSUInteger)segment;

 //通過(guò)索引調(diào)整文字或者圖片在segment的offset，默認(rèn)為（0,0）
 - (void)setContentOffset:(CGSize)offset forSegmentAtIndex:(NSUInteger)segment;
 - (CGSize)contentOffsetForSegmentAtIndex:(NSUInteger)segment;

 //設(shè)置segment是否能選中
 - (void)setEnabled:(BOOL)enabled forSegmentAtIndex:(NSUInteger)segment;       
 - (BOOL)isEnabledForSegmentAtIndex:(NSUInteger)segment;