自己定义了个一类似UISegment的东西

在最近的项目中，总发现给UISegment贴图时有不想要的效果出现，自己就写了一个简单的view，冒充一哈Senment，欢迎补充方法哈

CSegmentView.h

#import <UIKit/UIKit.h>

@interface CSegmentView : UIView{
    id target;
    SEL action;
}
@property(nonatomic,retain)NSMutableArray*      itemArray;
@property(nonatomic,assign)int                  selectIndex;
@property(nonatomic,retain)NSArray*             imageNameNormal;
@property(nonatomic,retain)NSArray*             imageNameSelect;


- (id)initWithArray:(NSArray*)imageN imageNameSelected:(NSArray*)arrayS target:(id)targetT action:(SEL)actionT;

@end

CSegmentView.m

#import "CSegmentView.h"

@implementation CSegmentView
@synthesize itemArray = _itemArray;
@synthesize selectIndex = _selectIndex;
@synthesize imageNameNormal = _imageNameNormal;
@synthesize imageNameSelect = _imageNameSelect;

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
    }
    return self;
}


- (id)initWithArray:(NSArray*)imageN imageNameSelected:(NSArray*)arrayS target:(id)targetT action:(SEL)actionT{
    self = [super init];
    if (self) {
        target = targetT;
        action = actionT;
        _imageNameSelect = [arrayS retain];
        _imageNameNormal = [imageN retain];
        [self setBackgroundColor:[UIColor clearColor]];
        _itemArray = [[NSMutableArray alloc] init];
        int      imageCount = [imageN count];
        for (int i = 0;i<imageCount; i++) {
            UIImage* image = [UIImage imageNamed:[imageN objectAtIndex:i]];
            UIButton* button = [UIButton buttonWithType:UIButtonTypeCustom];
            [button setImage:image forState:UIControlStateNormal];
            [button setImage:image forState:UIControlStateHighlighted];
            [button setFrame:CGRectMake(i*image.size.width, 0, image.size.width, image.size.height)];
            [button addTarget:self action:@selector(onButtonClick:) forControlEvents:UIControlEventTouchUpInside];
            button.tag = i;
            [self addSubview:button];
            [_itemArray insertObject:button atIndex:i];
            
        }
    }
    return self;
}

- (void)dealloc {
    [_itemArray removeAllObjects];
    [_itemArray release];
    [_imageNameNormal release];
    [_imageNameSelect release];
    [super dealloc];
}

-(void)onButtonClick:(UIButton*)button{
    
    if (0<=_selectIndex && _selectIndex<[_itemArray count]) {
        UIButton* buttonP = [_itemArray objectAtIndex:_selectIndex];
        [buttonP setImage:[UIImage imageNamed:[_imageNameNormal objectAtIndex:buttonP.tag]] forState:UIControlStateHighlighted];
        [buttonP setImage:[UIImage imageNamed:[_imageNameNormal objectAtIndex:buttonP.tag]] forState:UIControlStateNormal];
    }
    _selectIndex = button.tag;
    [button setImage:[UIImage imageNamed:[_imageNameSelect objectAtIndex:_selectIndex]] forState:UIControlStateNormal];
    [button setImage:[UIImage imageNamed:[_imageNameSelect objectAtIndex:_selectIndex]] forState:UIControlStateHighlighted];
    [target performSelector:action withObject:self];
}


-(void)setSelectIndex:(int)selectIndex{
    if (selectIndex>=0 && selectIndex<[_itemArray count]) {
        [self onButtonClick:[_itemArray objectAtIndex:selectIndex]];
    }else{
        if (_selectIndex>=0 && _selectIndex<[_itemArray count]){
            UIButton* buttonP = [_itemArray objectAtIndex:_selectIndex];
            [buttonP setImage:[UIImage imageNamed:[_imageNameNormal objectAtIndex:_selectIndex]] forState:UIControlStateHighlighted];
            [buttonP setImage:[UIImage imageNamed:[_imageNameNormal objectAtIndex:_selectIndex]] forState:UIControlStateNormal];
        }
        _selectIndex = selectIndex;
    }
    
    
}

@end

使用：

-(CSegmentView*)_segmentedBar{
    if (nil == _segmentedBar) {
        _segmentedBar=[[CSegmentView alloc] initWithArray:[NSArray arrayWithObjects:@"button-recent1.png",@"button-popular1.png",@"button-random1.png", nil] imageNameSelected:[NSArray arrayWithObjects:@"button-recent2.png",@"button-popular2.png",@"button-random2.png", nil] target:self action:@selector(tabBarButtonDown:)];
        
        _segmentedBar.frame=UIInterfaceOrientationIsPortrait(self.interfaceOrientation)?CGRectMake(249, 7, 270, 30):CGRectMake(377, 7, 270, 30);
        _segmentedBar.selectIndex = -1;
    }
    return _segmentedBar;
}