写片刻代码用到的音乐播放器

片刻代码编写过程中音乐播放用到的代码，给大家作为参考

用到的PlayManager

#import <Foundation/Foundation.h>

#import <AVFoundation/AVFoundation.h>

typedef
NS_ENUM(NSInteger, PlayModel){
PlayModelListCycle,
PlayModelSingleCycle,
PlayModelRandom,
PlayModelOrder
};

typedef
NS_ENUM(NSInteger, PlayState){
PlayStatePause,
PlayStatePlay
};

@interface MusicPlayerManager :
NSObject{

AVPlayer *_avPlayer;

AVPlayerItem *_avPlayerItem;

// NSInteger _musicIndex;
}

@property(nonatomic,retain)
NSArray *musicUrlArray;

@property(nonatomic,assign)
PlayModel playModel;

@property(nonatomic,assign,readonly)
double progress;

@property(nonatomic,assign,readonly)
double duration;

@property(nonatomic,assign,readonly)
double availableDuration;

@property(readonly,assign,readonly)
PlayState playState;

@property(nonatomic,assign)
NSInteger musicIndex;

- (void)play;//播放
- (void)pause;//暂停
- (void)stop;//停止
- (void)nextMusic;//下一首
- (void)beforeMusic;//上一首
- (void)seekToTime:(double)newSeekTime;//根据时间跳转
- (void)changeMusicWithIndex:(NSInteger)index;//根据下标播放音乐
- (void)playFinsh;//播放完成

+ (instancetype)sharedMusicManage;//单例方法

@end

#import "MusicPlayerManager.h"

@implementation MusicPlayerManager

-(instancetype)init{

self=[super
init];

if (self) {

//_playModel=PlayModelListCycle;

_avPlayer=[[AVPlayer
alloc] init];

_musicUrlArray=[[NSArray
alloc] init];

_musicIndex=0;

_playModel=PlayModelListCycle;
}

return
self;
}

//单例方法
+ (instancetype)sharedMusicManage{

static MusicPlayerManager *manager =
nil;

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{
manager = [[MusicPlayerManager
alloc] init];
});

return manager;
}

-(void)setMusicUrlArray:(NSArray *)musicUrlArray{

if (_musicUrlArray!=musicUrlArray) {

[_musicUrlArray
release];

_musicUrlArray=[musicUrlArray
retain];
}

_avPlayerItem=[[AVPlayerItem
alloc] initWithURL:[NSURL
URLWithString:_musicUrlArray[0]]];

[_avPlayer
replaceCurrentItemWithPlayerItem:_avPlayerItem];
}

-(void)play{

[_avPlayer
play];
}

-(void)pause{

[_avPlayer
pause];
}

//下一首
- (void)nextMusic{

_musicIndex++;

if (_playModel ==
PlayModelRandom) {

_musicIndex =
arc4random() %
_musicUrlArray.count;
}

if (_musicIndex >=
_musicUrlArray.count) {

_musicIndex = 0;
}

[self
changeMusicWithIndex:_musicIndex];
}

//上一首
- (void)beforeMusic{

if (_playModel ==
PlayModelRandom) {

_musicIndex =
arc4random() %
_musicUrlArray.count;
}else{

_musicIndex--;
}

if (_musicIndex <
0) {

_musicIndex =
_musicUrlArray.count -
1;
}

[self
changeMusicWithIndex:_musicIndex];
}

//跳转到某个界面
- (void)seekToTime:(double)newSeekTime{

CMTime newTime = _avPlayer.currentTime;
newTime.value = newTime.timescale * newSeekTime;
[_avPlayer
seekToTime:newTime];
}

//停止
- (void)stop{

[self
seekToTime:0.0];

[_avPlayer
pause];
}

//返回缓存时间
- (double)availableDuration{

NSArray *loadedTimeRanges = [[_avPlayer
currentItem] loadedTimeRanges];

CMTimeRange timeRange = [loadedTimeRanges.firstObject
CMTimeRangeValue];//
获取缓冲区域

float startSeconds =
CMTimeGetSeconds(timeRange.start);

float durationSeconds =
CMTimeGetSeconds(timeRange.duration);

NSTimeInterval result = startSeconds + durationSeconds;//
计算缓冲总进度

return result;
}

//播放完毕后的处理
- (void)playFinsh{

switch (_playModel) {

case
PlayModelSingleCycle:

break;

case
PlayModelRandom:

_musicIndex =
arc4random() % [_musicUrlArray
count];

break;

case
PlayModelOrder:
{
[self
pause];

return;
}

default:

_musicIndex++;

break;
}

[self
changeMusicWithIndex:_musicIndex];
}

//根据数组下标播放音乐
- (void)changeMusicWithIndex:(NSInteger)index{
[self
stop];

_avPlayerItem = [[AVPlayerItem
alloc] initWithURL:[NSURL
URLWithString:_musicUrlArray[index]]];

[_avPlayer
replaceCurrentItemWithPlayerItem:_avPlayerItem];

_musicIndex = index;

[_avPlayer
play];
}

//返回播放状态
- (PlayState)playState{

if (_avPlayer.rate ==
0.0) {

return
PlayStatePause;
}

return
PlayStatePlay;
}

//返回总时间
- (double)duration{

long long
int duration = 1;

//检测到有歌曲时间以后再返回，负责分母为0会崩溃

if (_avPlayerItem.duration.timescale
!= 0) {

duration = _avPlayerItem.duration.value /
_avPlayerItem.duration.timescale;
}
else {
duration =
0;
}

return duration;
}

//返回当前播放时间
- (double)progress{

long long
int currentTime = 0;

if (_avPlayerItem) {
currentTime =
_avPlayerItem.currentTime.value /
_avPlayerItem.currentTime.timescale;
}

return currentTime;
}

@end

用到的控制器基类

#import <UIKit/UIKit.h>

#import "RootRightViewController.h"

@interface MainListBaseViewController :
UIViewController{

RootRightViewController *_rootRightVC;

UIView *_topView;

UILabel *_titleLabel;
}

@property(nonatomic,retain)
UIView *topView;

@property(nonatomic,retain)
UILabel *titleLabel;

@property(nonatomic,retain)
UINavigationController *navigationC;

@property(nonatomic,retain)
RootRightViewController *rootRightVC;

@property(nonatomic,retain)
UIButton *button;

@end

#import "MainListBaseViewController.h"

#import "MacoHeader.h"

@interface
MainListBaseViewController ()

@end

@implementation MainListBaseViewController
- (void)dealloc
{

[_rootRightVC
release];
[_topView
release];

[_titleLabel
release];
[super
dealloc];
}
- (void)viewDidLoad {

[super
viewDidLoad];

// Do any additional setup after loading the view.
[self.view
addSubview:self.titleLabel];

//[self createChangeFrameButton];

[self
createNaviBar];
}
-(UILabel *)titleLabel{

if (!_titleLabel) {

_titleLabel=[[UILabel
alloc] initWithFrame:CGRectMake(50,
20,
60, 30)];

_titleLabel.backgroundColor=[UIColor
whiteColor];

// _titleLabel.text=@"首页";
}

return
_titleLabel;
}
-(void)createNaviBar{

self.topView=[[UIView
alloc] initWithFrame:CGRectMake(0,
20,
SCREEN_WITH,
30)];

//self.topView.backgroundColor=[UIColor yellowColor];

// self.titleLabel=[[UILabel alloc] initWithFrame:CGRectMake(60, 0, 40, 30)];

// self.titleLabel.text=@"首页";

// self.titleLabel.backgroundColor=[UIColor purpleColor];

_button=[UIButton
buttonWithType:UIButtonTypeCustom];

_button.frame=CGRectMake(10,
0, 40,
30);

[_button
setImage:[UIImage
imageNamed:@"iconfont-liebiao"]
forState:UIControlStateNormal];
[_button
addTarget:self
action:@selector(handleChangeFrameButtonAction:)
forControlEvents:UIControlEventTouchUpInside];

[self.topView
addSubview:_button];

//[self.topView addSubview:self.titleLabel];
[self.view
addSubview:self.topView];
}
-(void)createChangeFrameButton{

}
-(void)handleChangeFrameButtonAction:(UIButton *)button{

[self.rootRightVC
changeViewFrame];
}
- (void)didReceiveMemoryWarning {

[super
didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.
}
接下来是主界面控制器继承自基类控制器

#import "BaseRadioDetailViewController.h"

@interface RadioPalyViewController :
BaseRadioDetailViewController

@end

#import "RadioPalyViewController.h"

#import "MacoHeader.h"

#import "RequestManager.h"

#import <UIImageView+WebCache.h>

#import "MusicPlayerManager.h"

@interface
RadioPalyViewController ()<RequestDelegate>

@property(nonatomic,retain)
UIScrollView *scrollView;

@property(nonatomic,retain)
UITableView *tableView;

@property(nonatomic,retain)
UIView *playView;

@property(nonatomic,retain)
NSDictionary *shareinfoDict;

@property(nonatomic,retain)
MusicPlayerManager *playManager;

@end

@implementation RadioPalyViewController

- (void)viewDidLoad {

[super
viewDidLoad];

self.view.backgroundColor=[UIColor
whiteColor];

// Do any additional setup after loading the view.

self.scrollView=[[UIScrollView
alloc] initWithFrame:CGRectMake(0,
52,
SCREEN_WITH,
SCREEN_HEIGHT-130)];
//scroll 显示大小

self.scrollView.contentSize=CGSizeMake(SCREEN_WITH*4,
0); //scroll内容的大小

self.scrollView.contentOffset =
CGPointMake(SCREEN_WITH,
0);

self.scrollView.pagingEnabled =
YES;
[self.view
addSubview:self.scrollView];

[self.beforeButton
addTarget:self
action:@selector(pop:)
forControlEvents:UIControlEventTouchUpInside];

[self
tableView];
[self
playView];

self.playManager=[MusicPlayerManager
sharedMusicManage];

self.playManager.musicUrlArray=@[
@"http://fdfs.xmcdn.com/group4/M03/7E/69/wKgDs1PJ-fKx8yQtAEuOLNStMgk721.mp3",

@"http://fdfs.xmcdn.com/group4/M09/28/A9/wKgDs1QgAKnhwOCxAIn2i-ieFOo763.mp3",

@"http://fdfs.xmcdn.com/group6/M03/B9/56/wKgDhFUP6LjzFEwjAHZ_rwkSG7g294.mp3",

@"http://fdfs.xmcdn.com/group4/M06/93/4A/wKgDs1RRrtKTxnuLAFJrufqKR6k504.mp3",

@"http://fdfs.xmcdn.com/group6/M06/21/EB/wKgDg1TZkgrgnmmpAGwHr5T3Wnw284.mp3",

@"http://fdfs.xmcdn.com/group5/M04/A4/44/wKgDtVRz8v2SoyzoAFDCa7TS6uc267.mp3",

@"http://fdfs.xmcdn.com/group9/M01/09/86/wKgDZlVfA-6gcP3oAQYWDXqdG-4370.mp3"];

NSTimer *timer=[NSTimer
timerWithTimeInterval:1
target:self
selector:@selector(musicIsPlaying)
userInfo:nil
repeats:YES];

[[NSRunLoop
currentRunLoop] addTimer:timer
forMode:NSDefaultRunLoopMode];

[self.playManager
play];
[self.playButton
addTarget:self
action:@selector(handlePlayButtonAction:)
forControlEvents:UIControlEventTouchUpInside];
[self.backButton
addTarget:self
action:@selector(handleBackButtonAction:)
forControlEvents:UIControlEventTouchUpInside];
[self.nextButton
addTarget:self
action:@selector(handleNextButtonAction:)
forControlEvents:UIControlEventTouchUpInside];
}

-(void)handlePlayButtonAction:(UIButton *)button{

if (_playManager.playState==PlayStatePause)
{
[_playManager
play];

[self.playButton
setImage:[UIImage
imageNamed:@"iconfont-bofang"]
forState:UIControlStateNormal];

}else{
[_playManager
pause];

[self.playButton
setImage:[UIImage
imageNamed:@"iconfont-zanting"]
forState:UIControlStateNormal];
}
}
-(void)handleNextButtonAction:(UIButton *)button{

[_playManager
nextMusic];

NSLog(@"下一首");

NSLog(@"%li",_playManager.musicIndex);
}
-(void)handleBackButtonAction:(UIButton *)button{

[_playManager
beforeMusic];

NSLog(@"上一首");

NSLog(@"%li",_playManager.musicIndex);
}
-(void)pop:(UIButton *)button{

[self.navigationController
popViewControllerAnimated:YES];
}
-(UIView *)playView{

if (!_playView) {

_playView=[[UIView
alloc] initWithFrame:CGRectMake(SCREEN_WITH,
52,
SCREEN_WITH,
537)];

UIImageView *imageView=[[UIImageView
alloc] initWithFrame:CGRectMake(60,
30, 255,
255)];
imageView.backgroundColor=[UIColor
blueColor];

// [imageView sd_setImageWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@",[self.shareinfoDict objectForKey:@"coverimg"]]]];

[imageView sd_setImageWithURL:[NSURL
URLWithString:[NSString
stringWithFormat:@"http://upload.pianke.me/old/newuploads/dd7276e1bea0552a57ea334da5aa846d.jpg"]]];
[_playView
addSubview:imageView];

[self.scrollView
addSubview:_playView];
}

return
_playView;
}