iOS开发-音乐播放器(复杂版)

那么现在给同学补齐一个还算比较完整功能的音乐播放器，还有待完善！废话不多说，直接上代码！先看示例：

// AppDelegate.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import <UIKit/UIKit.h>

typedef void (^remoteBlock)(UIEvent *event);

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;

/**

* 一个回调远程事件的block

@property (nonatomic, copy) remoteBlock removteBlock;

@end

// AppDelegate.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import "AppDelegate.h"

#import <AVFoundation/AVFoundation.h>

@interface AppDelegate ()

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

// 设置音频会话类型

AVAudioSession *session = [AVAudioSession sharedInstance];

[session setCategory:AVAudioSessionCategoryPlayback error:nil];

[session setActive:YES error:nil];

// 接收远程事件

[application beginReceivingRemoteControlEvents];

return YES;

}

/**

* 锁屏按钮的远程通知

- (void)remoteControlReceivedWithEvent:(UIEvent *)event

{

if (event.type == UIEventTypeRemoteControl) {

if (self.removteBlock) {

self.removteBlock(event);

}

- (void)applicationDidEnterBackground:(UIApplication *)application {

// 开启后台任务

[application beginBackgroundTaskWithExpirationHandler:nil];

}

@end

// ZZMusic.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import <Foundation/Foundation.h>

@interface ZZMusic : NSObject

@property (copy, nonatomic) NSString *name;

@property (copy, nonatomic) NSString *filename;

@property (copy, nonatomic) NSString *singer;

@property (copy, nonatomic) NSString *singerIcon;

@property (copy, nonatomic) NSString *icon;

@property (nonatomic, assign, getter = isPlaying) BOOL playing;

@end

// ZZMusic.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import "ZZMusic.h"

@implementation ZZMusic

@end

// UIImage+ZZ.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import <UIKit/UIKit.h>

@interface UIImage (ZZ)

+ (instancetype)circleImageWithName:(NSString *)name borderWidth:(CGFloat)borderWidth borderColor:(UIColor *)borderColor;

@end

// UIImage+ZZ.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import "UIImage+ZZ.h"

@implementation UIImage (ZZ)

+ (instancetype)circleImageWithName:(NSString *)name borderWidth:(CGFloat)borderWidth borderColor:(UIColor *)borderColor

{

// 1.加载原图

UIImage *oldImage = [UIImage imageNamed:name];

// 2.开启上下文

CGFloat imageW = oldImage.size.width + 2 * borderWidth;

CGFloat imageH = oldImage.size.height + 2 * borderWidth;

CGSize imageSize = CGSizeMake(imageW, imageH);

UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0.0);

// 3.取得当前的上下文

CGContextRef ctx = UIGraphicsGetCurrentContext();

// 4.画边框(大圆)

[borderColor set];

CGFloat bigRadius = imageW * 0.5; // 大圆半径

CGFloat centerX = bigRadius; // 圆心

CGFloat centerY = bigRadius;

CGContextAddArc(ctx, centerX, centerY, bigRadius, 0, M_PI * 2, 0);

CGContextFillPath(ctx); // 画圆

// 5.小圆

CGFloat smallRadius = bigRadius - borderWidth;

CGContextAddArc(ctx, centerX, centerY, smallRadius, 0, M_PI * 2, 0);

// 裁剪(后面画的东西才会受裁剪的影响)

CGContextClip(ctx);

// 6.画图

[oldImage drawInRect:CGRectMake(borderWidth, borderWidth, oldImage.size.width, oldImage.size.height)];

// 7.取图

UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();

// 8.结束上下文

UIGraphicsEndImageContext();

return newImage;

}

@end

// NSString+ZZ.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/21.

#import <Foundation/Foundation.h>

@interface NSString (ZZ)

/**

* 返回分与秒的字符串如:01:60

+ (NSString *)getMinuteSecondWithSecond:(NSTimeInterval)time;

@end

// NSString+ZZ.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/21.

#import "NSString+ZZ.h"

@implementation NSString (ZZ)

+ (NSString *)getMinuteSecondWithSecond:(NSTimeInterval)time {

int minute = (int)time / 60;

int second = (int)time % 60;

if (second > 9) { //2:10

return [NSString stringWithFormat:@"%d:%d",minute,second];

}

//2:09

return [NSString stringWithFormat:@"%d:0%d",minute,second];

}

@end

// ZZAudioTool.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import <Foundation/Foundation.h>

#import <AVFoundation/AVFoundation.h>

@class ZZMusic;

@interface ZZAudioTool : NSObject

/**

* 播放器

@property(nonatomic, strong) AVAudioPlayer *player;

* 音乐播放前的准备工作

- (void)prepareToPlayWithMusic:(ZZMusic *)music;

* 播放

- (void)play;

* 暂停

- (void)pause;

/**

* 创建单例

+ (instancetype)shareInstance;

/**

* 播放音效

* @param filename 音效文件名

+ (void)playSound:(NSString *)filename;

/**

* 销毁音效

* @param filename 音效文件名

+ (void)disposeSound:(NSString *)filename;

/**

* 播放音乐

* @param filename 音乐文件名

+ (AVAudioPlayer *)playMusic:(NSString *)filename;

/**

* 暂停音乐

* @param filename 音乐文件名

+ (void)pauseMusic:(NSString *)filename;

/**

* 停止音乐

* @param filename 音乐文件名

+ (void)stopMusic:(NSString *)filename;

/**

* 返回当前正在播放的音乐播放器

+ (AVAudioPlayer *)currentPlayingAudioPlayer;

@end

// ZZAudioTool.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import "ZZAudioTool.h"

#import "ZZMusic.h"

#import <MediaPlayer/MediaPlayer.h>

@implementation ZZAudioTool

/**

* 存放所有的音频ID

* 字典: filename作为key, soundID作为value

static NSMutableDictionary *_soundIDDict;

/**

* 存放所有的音乐播放器

* 字典: filename作为key, audioPlayer作为value

static NSMutableDictionary *_audioPlayerDict;

/**

* 返回请求单例对象

+ (instancetype)shareInstance

{

static ZZAudioTool *audioTool;

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{

if (audioTool == nil) {

audioTool = [[ZZAudioTool alloc] init];

}

});

return audioTool;

}

- (void)prepareToPlayWithMusic:(ZZMusic *)music

{

if (!music.filename) return;

// 创建播放器

NSURL *musicURL = [[NSBundle mainBundle] URLForResource:music.filename withExtension:nil];

self.player = [[AVAudioPlayer alloc] initWithContentsOfURL:musicURL error:nil];

// 准备

[self.player prepareToPlay];

// 设置锁屏歌曲信息

[self setUpLockInfoWithMP3Info:music];

}

- (void)setUpLockInfoWithMP3Info:(ZZMusic *)music

{

NSLog(@"%s",__func__);

//锁屏信息设置

NSMutableDictionary *playingInfo = [NSMutableDictionary dictionary];

//1.专辑名称

playingInfo[MPMediaItemPropertyAlbumTitle] = @"中文十大金曲";

//2.歌曲

playingInfo[MPMediaItemPropertyTitle] = music.name;

//3.歌手名称

playingInfo[MPMediaItemPropertyTitle] = music.singer;

//4.专辑图片

if(music.icon){

UIImage *artWorkImage = [UIImage imageNamed:music.icon];

MPMediaItemArtwork *artwork = [[MPMediaItemArtwork alloc] initWithImage:artWorkImage];

playingInfo[MPMediaItemPropertyArtwork] = artwork;

}

//5.锁屏音乐总时间

playingInfo[MPMediaItemPropertyPlaybackDuration] = @(self.player.duration);

//设置锁屏时的播放信息

[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = playingInfo;

}

* 播放

- (void)play

{

[self.player play];

}

* 暂停

- (void)pause

{

[self.player pause];

}

/**

* 初始化

+ (void)initialize

{

_soundIDDict = [NSMutableDictionary dictionary];

_audioPlayerDict = [NSMutableDictionary dictionary];

}

/**

* 播放音效

* @param filename 音效文件名

+ (void)playSound:(NSString *)filename

{

if (!filename) return;

// 1.从字典中取出soundID

SystemSoundID soundID = [_soundIDDict[filename] unsignedLongValue];

if (!soundID) { // 创建

// 加载音效文件

NSURL *url = [[NSBundle mainBundle] URLForResource:filename withExtension:nil];

if (!url) return;

// 创建音效ID

AudioServicesCreateSystemSoundID((__bridge CFURLRef)url, &soundID);

// 放入字典

_soundIDDict[filename] = @(soundID);

}

// 2.播放

AudioServicesPlaySystemSound(soundID);

}

/**

* 销毁音效

* @param filename 音效文件名

+ (void)disposeSound:(NSString *)filename

{

if (!filename) return;

SystemSoundID soundID = [_soundIDDict[filename] unsignedLongValue];

if (soundID) {

// 销毁音效ID

AudioServicesDisposeSystemSoundID(soundID);

// 从字典中移除

[_soundIDDict removeObjectForKey:filename];

}

/**

* 播放音乐

* @param filename 音乐文件名

+ (AVAudioPlayer *)playMusic:(NSString *)filename

{

if (!filename) return nil;

// 1.从字典中取出audioPlayer

AVAudioPlayer *audioPlayer = _audioPlayerDict[filename];

if (!audioPlayer) { // 创建

// 加载音乐文件

NSURL *url = [[NSBundle mainBundle] URLForResource:filename withExtension:nil];

if (!url) return nil;

// 创建audioPlayer

audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:nil];

// 缓冲

[audioPlayer prepareToPlay];

// audioPlayer.enableRate = YES;

// audioPlayer.rate = 10.0;

// 放入字典

_audioPlayerDict[filename] = audioPlayer;

}

// 2.播放

if (!audioPlayer.isPlaying) {

[audioPlayer play];

}

return audioPlayer;

}

/**

* 暂停音乐

* @param filename 音乐文件名

+ (void)pauseMusic:(NSString *)filename

{

if (!filename) return;

// 1.从字典中取出audioPlayer

AVAudioPlayer *audioPlayer = _audioPlayerDict[filename];

// 2.暂停

if (audioPlayer.isPlaying) {

[audioPlayer pause];

}

/**

* 停止音乐

* @param filename 音乐文件名

+ (void)stopMusic:(NSString *)filename

{

if (!filename) return;

// 1.从字典中取出audioPlayer

AVAudioPlayer *audioPlayer = _audioPlayerDict[filename];

// 2.暂停

if (audioPlayer.isPlaying) {

[audioPlayer stop];

// 直接销毁

[_audioPlayerDict removeObjectForKey:filename];

}

/**

* 返回当前正在播放的音乐播放器

+ (AVAudioPlayer *)currentPlayingAudioPlayer

{

for (NSString *filename in _audioPlayerDict) {

AVAudioPlayer *audioPlayer = _audioPlayerDict[filename];

if (audioPlayer.isPlaying) {

return audioPlayer;

}

return nil;

}

@end

// ZZMusicCell.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import <UIKit/UIKit.h>

@class ZZMusic;

@interface ZZMusicCell : UITableViewCell

+ (instancetype)cellWithTableView:(UITableView *)tableView;

@property (nonatomic, strong) ZZMusic *music;

@end

// ZZMusicCell.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import "ZZMusicCell.h"

#import "ZZMusic.h"

@interface ZZMusicCell()

@end

@implementation ZZMusicCell

+ (instancetype)cellWithTableView:(UITableView *)tableView

{

static NSString *ID = @"music";

ZZMusicCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];

if (cell == nil) {

cell = [[ZZMusicCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];

}

return cell;

}

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier

{

if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {

self.backgroundColor = [UIColor clearColor];

self.selectedBackgroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"backgroundImage"]];

}

return self;

}

- (void)setMusic:(ZZMusic *)music

{

_music = music;

self.textLabel.text = music.name;

self.detailTextLabel.text = music.singer;

self.imageView.image = [UIImage imageNamed:music.singerIcon];

}

@end

// ZZPlayerToolBar.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import <UIKit/UIKit.h>

typedef enum : NSUInteger {

ZZPlayerToolBarPreviousButtonType,

ZZPlayerToolBarNextButtonType,

ZZPlayerToolBarPlayButtonType,

ZZPlayerToolBarPauseButtonType,

ZZPlayerToolBarTypeButtonType

} ZZPlayerToolBarButtonType;

@class ZZMusic,ZZPlayerToolBar;

@protocol ZZPlayerToolBarDelegate <NSObject>

@optional

- (void)playerToolBar:(ZZPlayerToolBar *)playerToolBar didClickBtnWithType:(ZZPlayerToolBarButtonType)type;

@end

@interface ZZPlayerToolBar : UIView

@property (nonatomic, strong) ZZMusic *music;

@property (nonatomic, assign) ZZPlayerToolBarButtonType type;

@property (nonatomic, weak) id <ZZPlayerToolBarDelegate> delegate;

+ (instancetype)playerToolBar;

@end

// ZZPlayerToolBar.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import "ZZPlayerToolBar.h"

#import "ZZMusic.h"

#import "ZZAudioTool.h"

#import "NSString+ZZ.h"

#import "UIImage+ZZ.h"

#import "Colours.h"

@interface ZZPlayerToolBar()

@property (weak, nonatomic) UIImageView *bgImg;//背景图片

@property (weak, nonatomic) UIImageView *singerIcon;//歌手图片

@property (weak, nonatomic) UIButton *previousBtn;//上一首

@property (weak, nonatomic) UIButton *playBtn;//播放\暂停

@property (weak, nonatomic) UIButton *nextBtn;//下一首

@property (weak, nonatomic) UIButton *typeBtn;//播放模式

@property (weak, nonatomic) UISlider *timeSlider;//滚动条

@property (weak, nonatomic) UILabel *totalTimeLabel;//总时间

@property (weak, nonatomic) UILabel *currentTimeLabel;//当前播放的时间

@property (strong, nonatomic) CADisplayLink *link;//定时器

@property (assign, nonatomic, getter = isDragging) BOOL dragging;//是否正在拖拽

@end

@implementation ZZPlayerToolBar

- (CADisplayLink *)link {

if (!_link) {

_link = [CADisplayLink displayLinkWithTarget:self selector:@selector(update)];

}

return _link;

}

+ (instancetype)playerToolBar

{

return [[self alloc] init];

}

- (instancetype)initWithFrame:(CGRect)frame

{

if (self = [super initWithFrame:frame]) {

[self setUpSubViews];

[self.link addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];

}

return self;

}

- (instancetype)initWithCoder:(NSCoder *)decoder

{

if (self = [super initWithCoder:decoder]) {

[self setUpSubViews];

[self.link addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];

}

return self;

}

#pragma mark - setUp 初始化

- (void)setUpSubViews

{

UIImageView *bgImg = [[UIImageView alloc] init];

bgImg.image = [UIImage imageNamed:@"play_bar_bg2"];

[self addSubview:bgImg];

self.bgImg = bgImg;

UISlider *timeSlider = [[UISlider alloc] init];

[timeSlider setThumbImage:[UIImage imageNamed:@"playbar_slider_thumb"] forState:UIControlStateNormal];

[timeSlider addTarget:self action:@selector(timeSliderChange:) forControlEvents:UIControlEventValueChanged];

[self addSubview:timeSlider];

self.timeSlider = timeSlider;

UILabel *currentTimeLabel = [[UILabel alloc] init];

currentTimeLabel.font = [UIFont systemFontOfSize:14.0f];

currentTimeLabel.textColor = [UIColor whiteColor];

currentTimeLabel.textAlignment = NSTextAlignmentRight;

currentTimeLabel.text = NSLocalizedString(@"00:00", nil);

[self addSubview:currentTimeLabel];

self.currentTimeLabel = currentTimeLabel;

UILabel *totalTimeLabel = [[UILabel alloc] init];

totalTimeLabel.font = [UIFont systemFontOfSize:14.0f];

totalTimeLabel.textColor = [UIColor lightGrayColor];

totalTimeLabel.textAlignment = NSTextAlignmentLeft;

totalTimeLabel.text = NSLocalizedString(@"00:00", nil);

[self addSubview:totalTimeLabel];

self.totalTimeLabel = totalTimeLabel;

UIImageView *singerIcon = [[UIImageView alloc] init];

singerIcon.image = [UIImage imageNamed:@"zxy_icon.jpg"];

[self addSubview:singerIcon];

self.singerIcon = singerIcon;

UIButton *previousBtn = [[UIButton alloc] init];

[previousBtn setImage:[UIImage imageNamed:@"playbar_prebtn_nomal"] forState:UIControlStateNormal];

[previousBtn setImage:[UIImage imageNamed:@"playbar_prebtn_click"] forState:UIControlStateHighlighted];

[previousBtn addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

previousBtn.tag = ZZPlayerToolBarPreviousButtonType;

[self addSubview:previousBtn];

self.previousBtn = previousBtn;

UIButton *playBtn = [[UIButton alloc] init];

[playBtn setImage:[UIImage imageNamed:@"playbar_playbtn_nomal"] forState:UIControlStateNormal];

[playBtn setImage:[UIImage imageNamed:@"playbar_playbtn_click"] forState:UIControlStateHighlighted];

[playBtn addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

playBtn.tag = ZZPlayerToolBarPlayButtonType;

[self addSubview:playBtn];

self.playBtn = playBtn;

UIButton *nextBtn = [[UIButton alloc] init];

[nextBtn setImage:[UIImage imageNamed:@"playbar_nextbtn_nomal"] forState:UIControlStateNormal];

[nextBtn setImage:[UIImage imageNamed:@"playbar_nextbtn_click"] forState:UIControlStateHighlighted];

[nextBtn addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

nextBtn.tag = ZZPlayerToolBarNextButtonType;

[self addSubview:nextBtn];

self.nextBtn = nextBtn;

UIButton *typeBtn = [[UIButton alloc] init];

typeBtn.layer.borderWidth = 1;

typeBtn.layer.borderColor = [UIColor blueColor].CGColor;

[typeBtn addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

typeBtn.tag = ZZPlayerToolBarTypeButtonType;

#warning - 没图先隐藏

typeBtn.hidden = YES;

[self addSubview:typeBtn];

self.typeBtn = typeBtn;

}

- (void)update

{

// 1.更新进度条

double currentTime = [ZZAudioTool shareInstance].player.currentTime;

self.timeSlider.value = currentTime;

// 2.更新时间

self.currentTimeLabel.text = [NSString getMinuteSecondWithSecond:currentTime];

}

/**

* 时间滑动变化

- (void)timeSliderChange:(UISlider *)slider

{

// 1.播放器进度

[ZZAudioTool shareInstance].player.currentTime = slider.value;

// 2.工具条的当前时间

self.currentTimeLabel.text = [NSString getMinuteSecondWithSecond:slider.value];

}

/**

* 点击按钮

* @param button 根据按钮类型来判断

- (void)buttonClick:(UIButton *)button

{

if ([self.delegate respondsToSelector:@selector(playerToolBar:didClickBtnWithType:)]) {

if (button.tag == ZZPlayerToolBarPlayButtonType) {

if (self.music.playing) { // 播放

self.music.playing = NO;

[button setImage:[UIImage imageNamed:@"playbar_pausebtn_nomal"] forState:UIControlStateNormal];

[button setImage:[UIImage imageNamed:@"playbar_pausebtn_click"] forState:UIControlStateHighlighted];

button.tag = ZZPlayerToolBarPauseButtonType;

[self.delegate playerToolBar:self didClickBtnWithType:button.tag];

}

} else if (button.tag == ZZPlayerToolBarPauseButtonType) { // 暂停

self.music.playing = YES;

[button setImage:[UIImage imageNamed:@"playbar_playbtn_nomal"] forState:UIControlStateNormal];

[button setImage:[UIImage imageNamed:@"playbar_playbtn_click"] forState:UIControlStateHighlighted];

button.tag = ZZPlayerToolBarPlayButtonType;

[self.delegate playerToolBar:self didClickBtnWithType:button.tag];

} else if (button.tag == ZZPlayerToolBarNextButtonType | button.tag == ZZPlayerToolBarPreviousButtonType) {

[self.playBtn setImage:[UIImage imageNamed:@"playbar_playbtn_nomal"] forState:UIControlStateNormal];

[self.playBtn setImage:[UIImage imageNamed:@"playbar_playbtn_click"] forState:UIControlStateHighlighted];

[self.delegate playerToolBar:self didClickBtnWithType:button.tag];

} else {

[self.delegate playerToolBar:self didClickBtnWithType:button.tag];

}

/**

* 拿到真实的尺寸进行子控件的布局

- (void)layoutSubviews

{

#warning - 一定要调用super的方法

[super layoutSubviews];

CGFloat margin = 5;

self.bgImg.frame = self.frame;

CGFloat currentTimeLabelX = 10;

CGFloat currentTimeLabelY = 5;

CGFloat currentTimeLabelW = 40;

CGFloat currentTimeLabelH = 30;

self.currentTimeLabel.frame = CGRectMake(currentTimeLabelX, currentTimeLabelY, currentTimeLabelW, currentTimeLabelH);

CGFloat timeSliderX = CGRectGetMaxX(self.currentTimeLabel.frame) + margin;

CGFloat timeSliderY = currentTimeLabelY;

CGFloat timeSliderW = self.frame.size.width - 2 * (currentTimeLabelW + currentTimeLabelX + margin);

CGFloat timeSliderH = currentTimeLabelH;

self.timeSlider.frame = CGRectMake(timeSliderX, timeSliderY, timeSliderW, timeSliderH);

CGFloat totalTimeLabelX = self.frame.size.width - currentTimeLabelW - currentTimeLabelX;

CGFloat totalTimeLabelY = currentTimeLabelY;

CGFloat totalTimeLabelW = currentTimeLabelW;

CGFloat totalTimeLabelH = currentTimeLabelH;

self.totalTimeLabel.frame = CGRectMake(totalTimeLabelX, totalTimeLabelY, totalTimeLabelW, totalTimeLabelH);

CGFloat singerIconX = currentTimeLabelX;

CGFloat singerIconY = CGRectGetMaxY(self.timeSlider.frame) + margin;

CGFloat singerIconW = 50;

CGFloat singerIconH = singerIconW;

self.singerIcon.frame = CGRectMake(singerIconX, singerIconY, singerIconW, singerIconH);

CGFloat previousBtnX = CGRectGetMaxX(self.singerIcon.frame) + 25;

CGFloat previousBtnY = singerIconY;

CGFloat previousBtnW = 50;

CGFloat previousBtnH = previousBtnW;

self.previousBtn.frame = CGRectMake(previousBtnX, previousBtnY, previousBtnW, previousBtnH);

CGFloat playBtnX = CGRectGetMaxX(self.previousBtn.frame) + 25;

CGFloat playBtnY = singerIconY - 5;

CGFloat playBtnW = 60;

CGFloat playBtnH = playBtnW;

self.playBtn.frame = CGRectMake(playBtnX, playBtnY, playBtnW, playBtnH);

CGFloat nextBtnX = CGRectGetMaxX(self.playBtn.frame) + 25;

CGFloat nextBtnY = singerIconY;

CGFloat nextBtnW = previousBtnW;

CGFloat nextBtnH = previousBtnW;

self.nextBtn.frame = CGRectMake(nextBtnX, nextBtnY, nextBtnW, nextBtnH);

CGFloat typeBtnX = CGRectGetMaxX(self.nextBtn.frame) + 20;

CGFloat typeBtnY = singerIconY;

CGFloat typeBtnW = previousBtnW;

CGFloat typeBtnH = previousBtnW;

self.typeBtn.frame = CGRectMake(typeBtnX, typeBtnY, typeBtnW, typeBtnH);

}

#pragma mark - setter 赋值&mvc思想

- (void)setMusic:(ZZMusic *)music

{

_music = music;

// 设置歌手图片数据

[self setUpSingerIconData];

// 设置滑动条的数据

[self setUpSliderData];

}

/**

* 设置歌手图片数据

- (void)setUpSingerIconData

{

// 0.设置圆角

self.singerIcon.image = [UIImage circleImageWithName:self.music.singerIcon borderWidth:2 borderColor:[UIColor skyBlueColor]];

#warning - 后期再补图片旋转

// // 1.单位矩阵

// self.singerIcon.transform = CGAffineTransformIdentity;

}

/**

* 设置滑动条的数据

- (void)setUpSliderData

{

// 0.去除当前播放歌曲的总时间

double duration = [ZZAudioTool shareInstance].player.duration;

// 1.将时间转换&设置时间属性

self.totalTimeLabel.text = [NSString getMinuteSecondWithSecond:duration];

// 2.设置slider的最大值

self.timeSlider.maximumValue = duration;

// 3.重置slider的播放时间

self.timeSlider.value = 0;

}

- (void)dealloc

{

//移除定时器

[self.link removeFromRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];

}

@end

// ZZMusicsController.h

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import <UIKit/UIKit.h>

@interface ZZMusicsController : UIViewController

@end

// ZZMusicsController.m

// 05-音乐播放器

// Created by 周昭 on 2017/3/20.

#import "ZZMusicsController.h"

#import "ZZMusic.h"

#import "ZZMusicCell.h"

#import "ZZAudioTool.h"

#import "MJExtension.h"

#import "ZZPlayerToolBar.h"

#import "NSString+ZZ.h"

#import "AppDelegate.h"

#import <AVFoundation/AVFoundation.h>

@interface ZZMusicsController ()<UITableViewDelegate,UITableViewDataSource,AVAudioPlayerDelegate,ZZPlayerToolBarDelegate>

@property (nonatomic, strong) NSArray *musics;

@property (nonatomic, strong) AVAudioPlayer *currentPlayingAudioPlayer;

@property (nonatomic, weak) UITableView *tableView;

@property (nonatomic, weak) UIImageView *imgView;

@property (nonatomic, weak) ZZPlayerToolBar *playToolBar;

/**

* 当前播放的索引

@property (nonatomic, assign) NSInteger musicIndex;

@end

@implementation ZZMusicsController

#pragma mark - 懒加载

- (NSArray *)musics

{

if (!_musics) {

self.musics = [ZZMusic objectArrayWithFilename:@"Musics.plist"];

}

return _musics;

}

- (void)viewDidLoad {

[super viewDidLoad];

// 0.设置标题&背景

[self setUpTitle];

// 1.初始化tableView

[self setUpTableView];

// 2.初始化playerToolBar

[self setUpPlayerToolBar];

// 3.随机播放

[self selectIndexPathWithRow:self.musicIndex];

// 4.接收远程事件

[self setUpRemovteEvent];

}

#pragma mark - setUp 初始化

- (void)setUpRemovteEvent

{

((AppDelegate *)[UIApplication sharedApplication].delegate).removteBlock = ^(UIEvent *event) {

switch (event.subtype) {

case UIEventSubtypeRemoteControlNextTrack:

[self playNextMusic];

break;

case UIEventSubtypeRemoteControlPreviousTrack:

[self playPreviousMusic];

break;

case UIEventSubtypeRemoteControlPause:

[self pauseCurrentMusic];

break;

case UIEventSubtypeRemoteControlPlay:

[self playCurrentMusic];

break;

}

};

}

- (void)setUpPlayerToolBar

{

ZZPlayerToolBar *playToolBar = [ZZPlayerToolBar playerToolBar];

playToolBar.frame = CGRectMake(0, self.view.frame.size.height - 95, self.view.frame.size.width, 95);

playToolBar.delegate = self;

[self.view addSubview:playToolBar];

self.playToolBar = playToolBar;

}

- (void)setUpTableView

{

// 0.创建tableView

UITableView *tableView = [[UITableView alloc] init];

tableView.delegate = self;

tableView.dataSource = self;

tableView.tableFooterView = [[UIView alloc] init];

// 1.设置背景

UIImageView *imgView = [[UIImageView alloc] init];

imgView.frame = self.view.frame;

imgView.image = [UIImage imageNamed:@"backgroundImage"];

tableView.backgroundView = imgView;

tableView.frame = CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height);

[self.view addSubview:tableView];

self.tableView = tableView;

}

- (void)setUpTitle

{

// 0.设置标题

self.title = NSLocalizedString(@"音乐播放器", nil);

}

#pragma mark - ZZPlayerToolBarDelegate

- (void)playerToolBar:(ZZPlayerToolBar *)playerToolBar didClickBtnWithType:(ZZPlayerToolBarButtonType)type

{

switch (type) {

case ZZPlayerToolBarPreviousButtonType:

[self playPreviousMusic];

break;

case ZZPlayerToolBarNextButtonType:

[self playNextMusic];

break;

case ZZPlayerToolBarPlayButtonType:

[self playCurrentMusic];

break;

case ZZPlayerToolBarPauseButtonType:

[self pauseCurrentMusic];

break;

case ZZPlayerToolBarTypeButtonType:

[self playStyleMusic];

break;

default:

break;

}

/**

* 播放上一首

- (void)playPreviousMusic

{

if (self.musicIndex == 0) { // 第一首则回到最后一首

self.musicIndex = self.musics.count - 1;

} else {

self.musicIndex--;

}

[self selectIndexPathWithRow:self.musicIndex];

}

/**

* 播放下一首

- (void)playNextMusic

{

if (self.musicIndex == self.musics.count - 1) { // 最后一首

self.musicIndex = 0;

} else {

self.musicIndex++;

}

[self selectIndexPathWithRow:self.musicIndex];

}

/**

* 播放

- (void)playCurrentMusic

{

[[ZZAudioTool shareInstance] play];

}

/**

* 暂停

- (void)pauseCurrentMusic

{

[[ZZAudioTool shareInstance] pause];

}

/**

* 更换播放模式

- (void)playStyleMusic

{

}

- (void)selectIndexPathWithRow:(NSInteger)row

{

// 0.取得当前选中

NSIndexPath *selectedPath = [self.tableView indexPathForSelectedRow];

// 1.主动选中下一行

NSIndexPath *currentPath = [NSIndexPath indexPathForRow:row inSection:selectedPath.section];

[self.tableView selectRowAtIndexPath:currentPath animated:YES scrollPosition:UITableViewScrollPositionTop];

[self tableView:self.tableView didSelectRowAtIndexPath:currentPath];

// 2.播放音乐

[self playMusic];

}

/**

* 播放音乐

- (void)playMusic

{

// 0.取出播放的歌曲

ZZMusic *music = self.musics[self.musicIndex];

music.playing = YES;

// 1.初始化播放器

[[ZZAudioTool shareInstance] prepareToPlayWithMusic:music];

// 2.设置代理

[ZZAudioTool shareInstance].player.delegate = self;

// 3.更改播放工具条数据

self.playToolBar.music = self.musics[self.musicIndex];

// 4.播放

[[ZZAudioTool shareInstance] play];

}

#pragma mark - Table view data source

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

return self.musics.count;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

// 1.创建cell

ZZMusicCell *cell = [ZZMusicCell cellWithTableView:tableView];

// 2.设置cell的数据

cell.music = self.musics[indexPath.row];

return cell;

}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

return 70;

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

// 0.取出要播放的音乐

ZZMusic *music = self.musics[indexPath.row];

if (music.playing == YES) return;

music.playing = YES;

// 1.取得索引值

self.musicIndex = indexPath.row;

// 2.播放音乐

[self playMusic];

}

- (void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath

{

// 0.停止音乐直接释放

ZZMusic *music = self.musics[indexPath.row];

music.playing = NO;

[ZZAudioTool stopMusic:music.filename];

}

#pragma mark - AVAudioPlayerDelegate

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

{

if (!flag == YES) return;

[self playNextMusic];

}

@end

iOS开发-音乐播放器(复杂版)

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