音频本地和在线播放器

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#一个完整功能的音乐播放器app开源代码，支持音乐播放的全部功能，包括暂停、前进后退、循环播放、歌词同步显示等等，现在分享一下系统的播放器AVAudioPlay#

1. 打开 ViewControler.h

#import <UIKit/UIKit.h>

#import <AVFoundation/AVFoundation.h>

@interface ViewController : UIViewController

@property (nonatomic, retain) AVAudioPlayer *player; // 创建一个播放器

@property (nonatomic, retain) UIButton *button; // 播放按钮

@property (nonatomic, retain) UIProgressView *progress;// 进度显示

@property (nonatomic, retain) NSTimer *time; // 时间

@property (nonatomic, retain) UISlider *volumeSlider;

@end

2. 打开ViewControler.m

#import "ViewController.h"

#import <AVFoundation/AVFoundation.h>

typedef NS_ENUM(NSInteger, playStatus){

playStatusNo,

playStatusYes,

};

@interface ViewController ()<AVAudioPlayerDelegate>

@property (nonatomic, assign) playStatus staus;

@property (nonatomic, retain) UISlider *slider;

@property (nonatomic, retain) UILabel *timeLabel;

@end

@implementation ViewController

- (void)dealloc

{

[_progress release];

[_button release];

[_player release];

[super dealloc];

}

- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self) {

}

return self;

}

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

// 创建一个播放按钮

self.button = [[UIButton alloc] initWithFrame:CGRectMake(100,100, 100, 100)];

// 给按钮一个颜色，

_button.backgroundColor = [UIColor redColor];

// 按钮titile

[_button setTitle:@"Play" forState:UIControlStateNormal];

// 把按钮变换成圆角的

_button.layer.cornerRadius = 50;

_button.layer.masksToBounds = YES;

// 实现按钮方法

[_button addTarget:self action:@selector(buttonClickStart)forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:_button];

[_button release];

// 停止按钮

UIButton *stop = [[UIButton alloc] initWithFrame:CGRectMake(100, 300, 100, 100)];

stop.backgroundColor = [UIColor redColor];

[stop setTitle:@"Stop" forState:UIControlStateNormal];

stop.layer.cornerRadius = 50;

stop.layer.masksToBounds = YES;

[stop addTarget:self action:@selector(buttonClickStop)forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:stop];

[stop release];

//播放本地

// self.player = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"1" ofType:@"mp3"]] error:nil];

// 播放网络

NSData *mydata=[[NSData alloc]initWithContentsOfURL:[NSURLURLWithString:@"http://a.ali.dongting.com/494a44568a1c7555/1422090214/m4a_32_9/0b/0c/0b4466a12a5af34259fba0090380da0c.m4a?s=t"]];

// 初始化播放器，并将url传给播放器

self.player=[[AVAudioPlayer alloc] initWithData:mydataerror:nil];

// 播放器的代理方法

_player.delegate = self;

NSLog(@"currentTime == %f", self.player.currentTime);

//_player.volume =0.8; //音量 0.0-1.0 之间

[_player prepareToPlay]; //分配播放所需的资源，并将其加入内部播放队列 (预播放)

// 初始化进度条

//self.progress = [[UIProgressView alloc] initWithFrame:CGRectMake(20, 50, 320, 20)];

self.slider = [[UISlider alloc] initWithFrame:CGRectMake(20,60, 320, 20)];

self.slider.maximumValue = self.player.duration;

[self.slider addTarget:selfaction:@selector(sliderValueChanged)forControlEvents:UIControlEventValueChanged];

[self.view addSubview:self.slider];

[self.slider release];

self.timeLabel = [[UILabel alloc] initWithFrame:CGRectMake(0,0, 50, 20)];

self.timeLabel.backgroundColor = [UIColor redColor];

self.timeLabel.text = @"0:00";

[self.view addSubview:self.timeLabel];

[self.timeLabel release];

// 用NSTimer来监控音频播放进度

// 预订一个Timer,设置一个时间间隔。表示输入一个时间间隔对象，以秒为单位，一个>0的浮点类型的值，如果该值<0,系统会默认为0.1 self表发送的对象useInfo此参数可以为nil，当定时器失效时，由你指定的对象保留和释放该定时器repeat 为YES时，定时器会不断循环直至失效或被释放，当NO时，定时器会循环发送一次就失效。

_time = [NSTimer scheduledTimerWithTimeInterval:0.1target:self selector:@selector(updateslider) userInfo:nilrepeats:YES];

// [self.view addSubview:_progress];

// [_progress release];

// 播放次数

UISwitch *loop = [[UISwitch alloc] initWithFrame:CGRectMake(100, 230, 60, 40)];

[loop addTarget:self action:@selector(loopYesOrNo)forControlEvents:UIControlEventValueChanged];

loop.on = NO; // 默认状态不打开

[self.view addSubview:loop];

[loop release];

//初始化音量控制

self.volumeSlider = [[UISlider alloc] initWithFrame:CGRectMake(20, 70, 200, 20)];

[_volumeSlider addTarget:selfaction:@selector(volumeChange)forControlEvents:UIControlEventValueChanged];

//设置最小音量

_volumeSlider.minimumValue = 0.0f;

//设置最大音量

_volumeSlider.maximumValue = 1.0f;

//初始化音量为多少

_volumeSlider.value = 0.5f;

[self.view addSubview:_volumeSlider];

[_volumeSlider release];

// 声音开关

UISwitch *volume = [[UISwitch alloc] initWithFrame:CGRectMake(200, 230, 60, 40)];

[volume addTarget:self action:@selector(volumeOnOrOff:)forControlEvents:UIControlEventValueChanged];

volume.on = YES; // 默认状态打开

[self.view addSubview:volume];

[volume release];

}

- (void)buttonClickStart

{

if (self.staus == playStatusYes) {

self.staus = playStatusNo;

[_player pause]; // 暂停播放;

[NSTimer scheduledTimerWithTimeInterval:0.1 target:selfselector:@selector(updateMusicTimeLabel) userInfo:self repeats:

YES];

[_button setTitle:@"暂停播放"forState:UIControlStateNormal];

}

else

{

[_player play]; // 开始播放

self.staus = playStatusYes;

[NSTimer scheduledTimerWithTimeInterval:0.1 target:selfselector:@selector(updateMusicTimeLabel) userInfo:self repeats:

YES];

[_button setTitle:@"正在播放"forState:UIControlStateNormal];

}

-(void)updateMusicTimeLabel{

if ((int)self.player.currentTime % 60 < 10) {

self.timeLabel.text = [NSStringstringWithFormat:@"%d:0%d",(int)self.player.currentTime / 60, (int)self.player.currentTime % 60];

} else {

self.timeLabel.text = [NSStringstringWithFormat:@"%d:%d",(int)self.player.currentTime / 60, (int)self.player.currentTime % 60];

}

// NSDictionary *dic = self.list[_count];

// NSArray *array = [dic[@"lrctime"] componentsSeparatedByString:@":"];//把时间转换成秒

// NSUInteger currentTime = [array[0] intValue] * 60 + [array[1] intValue];

}

- (void)buttonClickStop

{

_player.currentTime = 0;// 设值当前播放时间为0;

[_player stop]; // 停止播放

[_player play];

}

// 循环播放

- (void)loopYesOrNo

{

_player.numberOfLoops = -1; // 这里正数就是播放几次 -1 就是无限循环

}

// 进度条

- (void)updateslider

{

self.slider.value = self.player.currentTime;

}

- (void)sliderValueChanged

{

[self.player stop];

[self.player setCurrentTime:self.slider.value];

[self.player prepareToPlay];

[self.player play];

}

//- (void)setProgress:(float)progress animated:(BOOL)animated

//{

// //通过音频播放时长的百分比,给progress进行赋值;(当前播放时间 / 持续时间)

// // _progress.progress = _player.currentTime / _player.duration;

// animated = YES;

//}

// 音量大小

- (void)volumeChange

{

_player.volume = _volumeSlider.value;

}

// 播放结束之后的动作 (代理实现)

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

{

self.staus = playStatusNo;

[_player pause]; // 暂停播放;

[NSTimer scheduledTimerWithTimeInterval:0.1 target:selfselector:@selector(updateMusicTimeLabel) userInfo:self repeats:

YES];

[_button setTitle:@"暂停播放" forState:UIControlStateNormal];

}

// 开始播放操作

- (void)audioPlayerEndInterruption:(AVAudioPlayer *)player

{

[_player play];

}

// 声音开关

- (void)volumeOnOrOff:(UISwitch *)sender

{

_player.volume = sender.on;

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end

这样整个播放器就创建成功了，界面不美观，只是为了实现以上的功能，有什么不足之处希望大家指点，探讨一起学习！

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