IOS音乐播放器代码

最新推荐文章于 2024-11-20 23:05:17 发布

zhuzhu_2005

最新推荐文章于 2024-11-20 23:05:17 发布

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分类专栏： IOS音乐播放器代码文章标签： IOS音乐播放器代码

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（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......

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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