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：
iOS开发-音乐播放器(复杂版).gif
//
// AppDelegate.h
// 05-音乐播放器
//
// Created by 周昭 on 2017/3/20.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#import "ZZMusic.h"
@implementation ZZMusic
@end
//
// UIImage+ZZ.h
// 05-音乐播放器
//
// Created by 周昭 on 2017/3/20.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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.
// Copyright © 2017年 ZZ. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface ZZMusicsController : UIViewController
@end
//
// ZZMusicsController.m
// 05-音乐播放器
//
// Created by 周昭 on 2017/3/20.
// Copyright © 2017年 ZZ. All rights reserved.
//
#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
