ios 中添加frameworok，实现软件声音和振动

第一步：添加framework

1.点击target

2.选择【build phases】

3.点击【link binary with librarie】

4.点击【+】添加framework。

第二步：

实现调用cocoa库的接口，avaudioplayer

.h文件：

@interface FirstViewController :UIViewController<UIWebViewDelegate>

{

    AVAudioPlayer *player;

}

@property(retain)AVAudioPlayer *player;

@end

.m文件：

@implementation FirstViewController

@synthesize textView;

@synthesize webView;

- (void)viewDidLoad

{

    [superviewDidLoad];

    

    if ([self prepPlayer]) {

        [self.playerplay];

        [self.playersetNumberOfLoops:1];

        

        AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);

// 声音逐渐减少

for (int i=9; i>=0; i--) {

            

            self.player.volume = i;

            [NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.1f]];

        }

        

        [self.player pause];

       //  声音中断时处理

        [[NSUserDefaults standardUserDefaults] setFloat:[self.player currentTime] forKey:@"Interruption"];

    }

    

}

@synthesize player;

-(BOOL) prepPlayer{

    

    NSError *error;

    

    NSString *path = [[NSBundlemainBundle] pathForResource:@"apple"ofType:@"mp3"];

    NSLog(@"path＝%@",path);

    

    if (![[NSFileManagerdefaultManager] fileExistsAtPath:path]) {

        return NO;

    }

    

    self.player = [[AVAudioPlayeralloc] initWithContentsOfURL:[NSURLfileURLWithPath:path] error:&error];

    

    if (!self.player) {

        return NO;

    }

    

    return YES;

}

- (void)didReceiveMemoryWarning

{

    [superdidReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end