IOS音乐播放器代码

（国内知名安卓开发论坛推荐：http://www.eoeandroid.com/）

此代码是IOS一款播放器代码，学习时自己仿照主流播放器写的，该播放器支持各种格式播放，支持上一曲，下一曲，歌词同步播放，音量调节大小，快进，快退等功能，后续功能我会继续完善。代码仅供学习交流，如有写的不好，望各位海涵...希望对刚刚接触这块的童鞋有所帮助......

001 #import “ZJViewController.h”
002 #import “ZjMusic.h”
003
004
005 @interface ZJViewController （）<AVAudioPlayerDelegate,UITabBarDelegate,UITableViewDataSource>
006
007 @end
008 #define kBtnHeight 50
009 #define kBtnWidth 60
010 @implementation ZJViewController
011
012 - （void）viewDidLoad
013 {
014     [super viewDidLoad];
015     [self initView];
016     [self initData];
017
018
019
020    // NSLog（@“%@”,self.lrcDict）；
021 }
022 -（void）initData
023 {
024     ZjMusic *music1 = [[ZjMusic alloc] initWithName:@“Right Here Waiting（此情可待）” andType:@“mp3”];
025     ZjMusic *music2 = [[ZjMusic alloc] initWithName:@“Beyond-真的爱你” andType:@“mp3”];
026     ZjMusic *music3 = [[ZjMusic alloc] initWithName:@“刘德华-爱你一万年” andType:@“mp3”];
027     ZjMusic *music4 = [[ZjMusic alloc] initWithName:@“毛宁-涛声依旧” andType:@“mp3”];
028     ZjMusic *music5 = [[ZjMusic alloc] initWithName:@“你是我的眼” andType:@“mp3”];
029     ZjMusic *music6 = [[ZjMusic alloc] initWithName:@“星星” andType:@“mp3”];
030     ZjMusic *music7 = [[ZjMusic alloc] initWithName:@“月光爱人” andType:@“mp3”];
031
032
033     self.musicData = [[NSMutableArray alloc] init];
034
035     [self.musicData addObject:music1];
036     [self.musicData addObject:music2];
037     [self.musicData addObject:music3];
038     [self.musicData addObject:music4];
039     [self.musicData addObject:music5];
040     [self.musicData addObject:music6];
041     [self.musicData addObject:music7];
042     [self loadMusic:music5];
043     [self initLrc:music5];
044
045     self.musicNameLabel.text = music5.name;
046
047
048
049 }
050 #pragma mark 加载Music
051 -（void）loadMusic:（ZjMusic*）music
052 {
053     NSString *path = [[NSBundle mainBundle] pathForResource:music.name ofType:music.type];
054     NSURL *URL = [NSURL fileURLWithPath:path];
055
056     self.audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:URL error:nil];
057     self.audioPlayer.delegate = self;
058     self.audioPlayer.volume = 0.5;
059     self.volumeSlider.value = self.audioPlayer.volume;
060     [self.audioPlayer prepareToPlay];
061
062     [self returnTotalTime];
063
064 }
065
066 #pragma mark 音量slider自动移动，currentTime自动变换
067 -（void）currentTimeChange
068 {
069     [self returnCurrentTime];
070     self.durationlSlider.value = self.audioPlayer.currentTime/self.audioPlayer.duration;
071     NSLog（@“curtime ---->%d”,（int）self.audioPlayer.currentTime）；
072
073
074    // static int index = 0;
075
076     NSString *key = [NSString stringWithFormat:@“%d”,（int）self.audioPlayer.currentTime];
077     NSString *lrc = [self.lrcDict objectForKey:key];
078
079
080
081     if（lrc）{
082 //        NSIndexPath *indexPath = [NSIndexPath indexPathForRow:index inSection:0];
083 //        [self.lrcTableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionMiddle];
084 //        index++;
085         self.musicLrcLable.text = lrc;
086         NSLog（@“index--->%@”,lrc）；
087
088     }
089
090
091 }
092
093 #pragma mark 上一首
094 -（void）previousSound
095 {
096     BOOL playFlag;
097     if（self.audioPlayer.playing）{
098         playFlag = YES;
099         [self.audioPlayer stop];
100     }else{
101         playFlag = NO;
102     }
103     _soundIndex --;
104     if（self.soundIndex<0）{
105         self.soundIndex  = self.musicData.count-1;
106     }
107     ZjMusic *music = self.musicData[_soundIndex];
108     [self initLrc:music];
109     self.musicNameLabel.text = music.name;
110     [self loadMusic:music];
111
112     if（playFlag）{
113         [self.audioPlayer play];
114     }
115 }
116 #pragma mark 下一曲
117 -（void）nextSound
118 {
119     BOOL playFlag;
120     if（self.audioPlayer.playing）{
121         playFlag = YES;
122         [self.audioPlayer stop];
123     }else{
124         playFlag = NO;
125     }
126     _soundIndex ++;
127     if（self.soundIndex>self.musicData.count-1）{
128         self.soundIndex = 0;
129     }
130     ZjMusic *music = self.musicData[_soundIndex];
131     [self initLrc:music];
132     self.musicNameLabel.text = music.name;
133     [self loadMusic:music];
134
135     if（playFlag）{
136         [self.audioPlayer play];
137     }
138 }
139 #pragma mark 音量显示
140 -（void）showVolumeSlider
141 {
142     if（self.volumeSlider.hidden == NO）{
143         self.volumeSlider.hidden = YES;
144     }else{
145         self.volumeSlider.hidden = NO;
146     }
147     [self performSelector:@selector（hiddenVolum） withObject:nil afterDelay:5];
148 }
149 #pragma mark 音量隐藏
150 -（void）hiddenVolum
151 {
152     self.volumeSlider.hidden = YES;
153
154
155 }
156 #pragma mark 播放暂停
157 -（void）palyAndPause:（UIButton*）button
158 {
159     NSString *imageName = @“play”;
160     if（self.audioPlayer.playing）{
161         [self.audioPlayer pause];
162         imageName = @“play”;
163
164         [self.timer invalidate];
165
166     }else{
167        [self.audioPlayer play];
168         imageName = @“stop”;
169
170         self.timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector（currentTimeChange） userInfo:nil repeats:YES];
171     }
172
173     [button setImage:[UIImage imageNamed:imageName] forState:UIControlStateNormal];
174
175     [self returnTotalTime];
176 }
177 -（void）returnTotalTime
178 {
179     NSString *totalTime = [NSString stringWithFormat:@“%d:%d”,（int）self.audioPlayer.duration/60,（int）self.audioPlayer.duration%60];
180     self.totalTime.text = totalTime;
181 }
182 #pragma mark 调节音量
183 -（void）volumeChange
184 {
185     self.audioPlayer.volume = self.volumeSlider.value;
186     [self returnCurrentTime];
187 }
188
189 -（void）returnCurrentTime
190 {
191     NSString *currentTime = [NSString stringWithFormat:@“%d:%d”,（int）self.audioPlayer.currentTime/60,（int）self.audioPlayer.currentTime%60];
192     if（（int）self.audioPlayer.currentTime%60<10）{
193         currentTime = [NSString stringWithFormat:@“%d:0%d”,（int）self.audioPlayer.currentTime/60,（int）self.audioPlayer.currentTime%60];
194     }
195     self.currentTimeLabel.text = currentTime;
196
197
198 }
199
200 #pragma mark 调节时间
201 -（void）durationChange
202 {
203     self.audioPlayer.currentTime = self.durationlSlider.value*self.audioPlayer.duration;
204 }
205
206
207 - （void）dealloc {
208     [_audioPlayer release];
209     [_durationlSlider release];
210     [_volumeSlider release];
211     [_musicData release];
212     [_currentTimeLabel release];
213     [_musicNameLabel release];
214     [_totalTime release];
215     [_lrcDict release];
216     [_timeArray release];
217     [_lrcTableView release];
218     [super dealloc];
219 }
220 #pragma mark 初始化数据
221 -（void）initView
222 {
223     //当前时间
224     self.currentTimeLabel  = [[UILabel alloc] initWithFrame:CGRectMake（20, 35, 40, 20）];
225     self.currentTimeLabel.text = @“0:00”;
226     self.currentTimeLabel.backgroundColor = [UIColor clearColor];
227     [self.view addSubview:self.currentTimeLabel];
228
229     //持续时间
230     self.durationlSlider = [[UISlider alloc] initWithFrame:CGRectMake（65, 30, 190, 30）];
231     [self.durationlSlider addTarget:self action:@selector（durationChange） forControlEvents:UIControlEventValueChanged];
232     [self.view addSubview:self.durationlSlider];
233
234     //总时间
235     self.totalTime  = [[UILabel alloc] initWithFrame:CGRectMake（265, 35, 40, 20）];
236     self.totalTime.text = @“0:00”;
237     self.totalTime.backgroundColor = [UIColor clearColor];
238     [self.view addSubview:self.totalTime];
239
240     UIView *subView = [[UIView alloc] initWithFrame:CGRectMake（50, 250, 220, 60）];
241     [self.view addSubview:subView];
242     UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
243     //上一曲
244     button.frame = CGRectMake（0, 0, kBtnWidth, kBtnHeight）；
245     [button setImage:[UIImage imageNamed:@“left”] forState:UIControlStateNormal];
246     [button addTarget:self action:@selector（previousSound） forControlEvents:UIControlEventTouchUpInside];
247     [subView addSubview:button];
248
249     //播放暂停
250     button = [UIButton buttonWithType:UIButtonTypeCustom];
251     button.frame = CGRectMake（80, 0,  kBtnWidth, kBtnHeight）；
252     [button setImage:[UIImage imageNamed:@“play”] forState:UIControlStateNormal];
253     [button addTarget:self action:@selector（palyAndPause:） forControlEvents:UIControlEventTouchUpInside];
254     [subView addSubview:button];
255
256     //下一曲
257     button = [UIButton buttonWithType:UIButtonTypeCustom];
258     button.frame = CGRectMake（160, 0,  kBtnWidth, kBtnHeight）；
259     [button addTarget:self action:@selector（nextSound） forControlEvents:UIControlEventTouchUpInside];
260     [button setImage:[UIImage imageNamed:@“right”] forState:UIControlStateNormal];
261     [subView addSubview:button];
262
263     //显示歌ci
264     self.musicLrcLable = [[UILabel alloc] initWithFrame:CGRectMake（0, 400, 320, 44）];
265     self.musicLrcLable.textAlignment = NSTextAlignmentCenter;
266     self.musicLrcLable.backgroundColor = [UIColor greenColor];
267     [self.view addSubview:self.musicLrcLable];
268
269     //显示歌名
270     self.musicNameLabel = [[UILabel alloc] initWithFrame:CGRectMake（0, 200, 320, 40）];
271     self.musicNameLabel.backgroundColor = [UIColor clearColor];
272     self.musicNameLabel.textAlignment = NSTextAlignmentCenter;
273     [self.view addSubview:self.musicNameLabel];
274
275     //音量
276     button = [UIButton buttonWithType:UIButtonTypeCustom];
277     button.frame = CGRectMake（10, 390,  kBtnWidth, kBtnHeight）；
278     [button addTarget:self action:@selector（showVolumeSlider） forControlEvents:UIControlEventTouchUpInside];
279     [button setImage:[UIImage imageNamed:@“labalan”] forState:UIControlStateNormal];
280     [button setImage:[UIImage imageNamed:@“laba”] forState:UIControlStateHighlighted];
281     [self.view addSubview:button];
282
283     self.volumeSlider = [[UISlider alloc] initWithFrame:CGRectMake（-80, 280, 220, 5）];
284     self.volumeSlider.minimumValue = 0;
285     self.volumeSlider.maximumValue = 1;
286     self.volumeSlider.hidden = YES;
287     self.volumeSlider.transform = CGAffineTransformMakeRotation（-95* M_PI/180）；
288     [self.view addSubview:self.volumeSlider];
289     [self.volumeSlider addTarget:self action:@selector（volumeChange） forControlEvents:UIControlEventValueChanged];
290
291
292
293
294 }
295
296 -（void） initLrc:（ZjMusic*）music
297 {
298     NSLog（@“%@ ,%@”,music.name,music.type）；
299     self.timeArray = [[NSMutableArray alloc] init];
300     self.lrcDict = [[NSMutableDictionary alloc] init];
301
302     NSString *lrcPath = [[NSBundle mainBundle] pathForResource:music.name ofType:@“lrc”];
303     NSString *contentStr = [NSString stringWithContentsOfFile:lrcPath encoding:NSUTF8StringEncoding error:nil];
304
305
306     NSArray *array = [contentStr componentsSeparatedByString:@“\n”];
307     for （int i= 0; i<array.count; i ++） {
308         NSString *lineStr = array[i];
309         NSArray *lineArray = [lineStr componentsSeparatedByString:@“]”];
310         NSString *lrcStr = [lineArray objectAtIndex:1];
311         if（[lineArray[0] length]>5）{
312
313             NSString *timeStr = [lineArray[0] substringWithRange:NSMakeRange（1, 5）];
314
315             NSArray *timeArray = [timeStr componentsSeparatedByString:@“:”];
316
317             NSInteger timeInt = [timeArray[0] intValue]*60 + [timeArray[1] intValue];
318             NSString *timeTostr = [NSString stringWithFormat:@“%d”,timeInt];
319
320             [self.lrcDict setObject:lrcStr forKey:timeTostr];
321             [self.timeArray addObject:timeTostr];
322
323         }
324
325
326
327     }
328    // NSLog（@“%d”,self.timeArray.count）；
329
330 }
331
332 @end

2. [图片] iOS 模拟器屏幕快照“2013-9-18 上午11.06.16”.png    

3. [图片] iOS 模拟器屏幕快照“2013-9-18 上午10.58.17”.png