IOS中沒有工具欄，是和android的有一差別，不適應，現在我們自己來實現開關

首先在你的資源裡面添加2張圖片，表示開、關的狀態，分別命名：switch_off.png，switch_on.png，下面上代碼，相信你看得懂。，如有疑問，歡迎留言交流。

UICustomSwitch.h

[cpp] 
01.#import <UIKit/UIKit.h>  
02. 
03.@interface UICustomSwitch : UIButton 
04. 
05.@end 
#import <UIKit/UIKit.h>

@interface UICustomSwitch : UIButton

@end
UICustomSwitch.m

[cpp] 
01.#import "UICustomSwitch.h"  
02. 
03.@implementation UICustomSwitch 
04.- (id)initWithFrame:(CGRect)frame 
05.{ 
06.    self = [super initWithFrame:frame]; 
07.    if (self) { 
08.        [self setBackGroundImage]; 
09.    } 
10.    return self; 
11.} 
12.- (void)setBackGroundImage { 
13.    [self setBackgroundImage:[UIImage imageNamed:@"switch_off.png"] forState:UIControlStateNormal]; 
14.    [self setBackgroundImage:[UIImage imageNamed:@"switch_on.png"] forState:UIControlStateSelected];         
15.    [self addTarget:self action:@selector(touchUIInside:) forControlEvents:UIControlEventTouchUpInside]; 
16.    self.selected = NO; 
17.} 
18. 
19.-(id)initWithCoder:(NSCoder *)aDecoder{ 
20.    self =  [super initWithCoder:aDecoder]; 
21.    if (self) { 
22.        [self setBackGroundImage]; 
23.    } 
24.    return self; 
25.} 
26. 
27.-(IBAction)touchUIInside:(id)sender{ 
28.    UICustomSwitch* sw= (UICustomSwitch*)sender; 
29.    sw.selected = !sw.selected;   
30.     
31.} 
32.@end