iphone开发实现声音开关代码

1. //Settings.h
2. CCMenuItem *soundOnItem;
3.     CCMenuItem*soundOffItem;
4.     CCMenuItemToggle*soundToggleItem;
5. //Settings.m
6. -(void) soundButtonTapped: (id) sender
7. {
8.     if([CDAudioManagersharedManager].mute == TRUE){
9.         [CDAudioManagersharedManager].mute = FALSE;
10.     }
11.     else{
12.         [CDAudioManagersharedManager].mute = TRUE;
13.     }
14. }
15. -(id)init{
16.     if((self=[superinit])){
17.         self.isTouchEnabled= YES;
18.         soundOnItem= [CCMenuItemImage itemFromNormalImage:@"soundon1.gif"selectedImage:@"soundon1.gif" target:nil selector:nil];
19.         soundOffItem= [CCMenuItemImage itemFromNormalImage:@"soundoff1.png"selectedImage:@"soundoff1.png" target:nil selector:nil];
20.         soundToggleItem= [CCMenuItemToggle itemWithTarget:selfselector:@selector(soundButtonTapped:) items:soundOnItem,soundOffItem, nil];
21.         CCMenu*bottomMenu = [CCMenu menuWithItems:soundToggleItem, nil];
22.         bottomMenu.position= *****(25,95);
23.         [selfaddChild: bottomMenu];
24.     }
25.     returnself;
26. }