- (void)viewDidLoad {
[super viewDidLoad];
//设置音乐的后台播放，注意background mode中需要勾选上
AVAudioSession *session = [AVAudioSession sharedInstance];
[session setCategory:AVAudioSessionCategoryPlayback error:nil];
}
//开始播放
- (IBAction)player:(id)sender {
[self.player play];
}
//暂停播放
- (IBAction)pause:(id)sender {
[self.player pause];
}
//停止播放
- (IBAction)stop:(id)sender {
[self.player stop];
}
//前进5s
- (IBAction)qianJin5s:(id)sender {
self.player.currentTime += 5;
}
//后退5s
- (IBAction)houTui5s:(id)sender {
self.player.currentTime -= 5;
}
//快速播放
- (IBAction)faster:(id)sender {
self.player.rate = 2;
}
//播放一次
- (IBAction)playOnce:(id)sender {
self.player.numberOfLoops = 0;
}
//播放3次
- (IBAction)playThirst:(id)sender {
self.player.numberOfLoops = 2;
}
//循环播放
- (IBAction)playAllTheTime:(id)sender {
self.player.numberOfLoops = -1;
}
//获取一些基础信息
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
NSLog(@"deviceCurrentTime=%f",self.player.deviceCurrentTime);
NSLog(@"currentTime=%f",self.player.currentTime);
NSLog(@"duration=%f", self.player.duration);
NSLog(@"settings=%@", self.player.settings);
}
//听筒播放
- (IBAction)tingTongPlay:(id)sender {
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayAndRecord withOptions:0 error:nil];
}
//扬声器播放
- (IBAction)outSpeakerPlayer:(id)sender {
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayAndRecord withOptions:AVAudioSessionCategoryOptionDefaultToSpeaker error:nil];
}
//懒加载
- (AVAudioPlayer *)player {
if (!_player) {
//获取播放的路径 paomo.mp3 2018-11-27 10_36_51 1.wav
NSURL *path = [[NSBundle mainBundle] URLForResource:@"paomo.mp3" withExtension:nil];
//根据路径创建播放对象
AVAudioPlayer *player = [[AVAudioPlayer alloc] initWithContentsOfURL:path error:nil];
//如果这个属性不设置的话，那么不能设置倍速播放的功能
player.enableRate = YES;
//准备播放
[player prepareToPlay];
_player = player;
}
return _player;
}
AVAudioPlayer 这个框架，去看看苹果开发文档，还比较容易理解，此处只是贴上代码作为一个记录而已。
