音乐模块的播放功能

利用  AVAudioPlayer 来播放音乐 ：

 

- 声明对象

 

#import <AVKit/AVKit.h>

#import <AVFoundation/AVFoundation.h>

@property (nonatomic, strong) AVAudioPlayer *avAudioPlayer;

 

- 播放函数

 

NSURL *url = [[NSURLalloc] initWithString:[AppUtilurlEncodeToURLString:urlStr]];

NSData *audioData = [NSDatadataWithContentsOfURL:url];

_avAudioPlayer = [[AVAudioPlayeralloc] initWithData:audioData error:nil];

[_avAudioPlayerplay];

_avAudioPlayer.delegate = self;

_stringUrlAudio = urlStr;

 

<附加函数>

 

+ (NSString *)urlEncodeToURLString:(NSString *)urlString

{

    if (IS_NS_STRING_EMPTY(urlString)) {

        return@"";

    }

    NSString *encodingUrl = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    return encodingUrl;

}

 

- 代理函数

 

- (void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag

{

    [self.voiceImageViewstopAnimating];

    self.weplayPage.avAudioPlayer = nil;

}

 

图标的播放时的动态效果代码如下：

 

- (UIImageView *)voiceImageView

{

    if (!_voiceImageView) {

        _voiceImageView = [[UIImageViewalloc] initWithFrame:CGRectMake(14, 0, 12, 12)];

        _voiceImageView.centerY = self.soundImageView.bounds.size.height/2.0;

        _voiceImageView.contentMode = UIViewContentModeScaleAspectFill;

        NSArray *arr = @[@"ic_yiqiwan_details_play1",@"ic_yiqiwan_details_play2",@"ic_yiqiwan_details_play3"];

        [self.soundImageViewaddSubview:_voiceImageView];

       

        NSMutableArray *imageArray = [NSMutableArrayarray];

        for (int i=0;i<arr.count;++i) {

            UIImage *tmpimage = [UIImageimageNamed:arr[i]];

            [imageArray cl_addObject:tmpimage];

        }

        _voiceImageView.animationImages = imageArray;

        _voiceImageView.animationRepeatCount = 0;

        _voiceImageView.animationDuration = 1.5;

        _voiceImageView.image = [UIImageimageNamed:@"ic_yiqiwan_details_play3"];

        //[_voiceImageView startAnimating];

    }

    return_voiceImageView;

}

 

动画效果如下：

 

  

 

- OVER