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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 | #import "ZJViewController.h"#import "ZjMusic.h"@interface ZJViewController ()<AVAudioPlayerDelegate,UITabBarDelegate,UITableViewDataSource>@end#define kBtnHeight 50#define kBtnWidth 60@implementation ZJViewController- (void)viewDidLoad{ [super viewDidLoad]; [self initView]; [self initData]; // NSLog(@"%@",self.lrcDict);}-(void)initData{ ZjMusic *music1 = [[ZjMusic alloc] initWithName:@"Right Here Waiting(此情可待)" andType:@"mp3"]; ZjMusic *music2 = [[ZjMusic alloc] initWithName:@"Beyond-真的爱你" andType:@"mp3"]; ZjMusic *music3 = [[ZjMusic alloc] initWithName:@"刘德华-爱你一万年" andType:@"mp3"]; ZjMusic *music4 = [[ZjMusic alloc] initWithName:@"毛宁-涛声依旧" andType:@"mp3"]; ZjMusic *music5 = [[ZjMusic alloc] initWithName:@"你是我的眼" andType:@"mp3"]; ZjMusic *music6 = [[ZjMusic alloc] initWithName:@"星星" andType:@"mp3"]; ZjMusic *music7 = [[ZjMusic alloc] initWithName:@"月光爱人" andType:@"mp3"]; self.musicData = [[NSMutableArray alloc] init]; [self.musicData addObject:music1]; [self.musicData addObject:music2]; [self.musicData addObject:music3]; [self.musicData addObject:music4]; [self.musicData addObject:music5]; [self.musicData addObject:music6]; [self.musicData addObject:music7]; [self loadMusic:music5]; [self initLrc:music5]; self.musicNameLabel.text = music5.name; }#pragma mark 加载Music-(void)loadMusic:(ZjMusic*)music{ NSString *path = [[NSBundle mainBundle] pathForResource:music.name ofType:music.type]; NSURL *URL = [NSURL fileURLWithPath:path]; self.audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:URL error:nil]; self.audioPlayer.delegate = self; self.audioPlayer.volume = 0.5; self.volumeSlider.value = self.audioPlayer.volume; [self.audioPlayer prepareToPlay]; [self returnTotalTime];}#pragma mark 音量slider自动移动，currentTime自动变换-(void)currentTimeChange{ [self returnCurrentTime]; self.durationlSlider.value = self.audioPlayer.currentTime/self.audioPlayer.duration; NSLog(@"curtime ---->%d",(int)self.audioPlayer.currentTime); // static int index = 0; NSString *key = [NSString stringWithFormat:@"%d",(int)self.audioPlayer.currentTime]; NSString *lrc = [self.lrcDict objectForKey:key]; if(lrc){// NSIndexPath *indexPath = [NSIndexPath indexPathForRow:index inSection:0];// [self.lrcTableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionMiddle];// index++; self.musicLrcLable.text = lrc; NSLog(@"index--->%@",lrc); } }#pragma mark 上一首-(void)previousSound{ BOOL playFlag; if(self.audioPlayer.playing){ playFlag = YES; [self.audioPlayer stop]; }else{ playFlag = NO; } _soundIndex --; if(self.soundIndex<0){ self.soundIndex = self.musicData.count-1; } ZjMusic *music = self.musicData[_soundIndex]; [self initLrc:music]; self.musicNameLabel.text = music.name; [self loadMusic:music]; if(playFlag){ [self.audioPlayer play]; }}#pragma mark 下一曲-(void)nextSound{ BOOL playFlag; if(self.audioPlayer.playing){ playFlag = YES; [self.audioPlayer stop]; }else{ playFlag = NO; } _soundIndex ++; if(self.soundIndex>self.musicData.count-1){ self.soundIndex = 0; } ZjMusic *music = self.musicData[_soundIndex]; [self initLrc:music]; self.musicNameLabel.text = music.name; [self loadMusic:music]; if(playFlag){ [self.audioPlayer play]; }}#pragma mark 音量显示-(void)showVolumeSlider{ if(self.volumeSlider.hidden == NO){ self.volumeSlider.hidden = YES; }else{ self.volumeSlider.hidden = NO; } [self performSelector:@selector(hiddenVolum) withObject:nil afterDelay:5];}#pragma mark 音量隐藏-(void)hiddenVolum{ self.volumeSlider.hidden = YES; }#pragma mark 播放暂停-(void)palyAndPause:(UIButton*)button{ NSString *imageName = @"play"; if(self.audioPlayer.playing){ [self.audioPlayer pause]; imageName = @"play"; [self.timer invalidate]; }else{ [self.audioPlayer play]; imageName = @"stop"; self.timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(currentTimeChange) userInfo:nil repeats:YES]; } [button setImage:[UIImage imageNamed:imageName] forState:UIControlStateNormal]; [self returnTotalTime];}-(void)returnTotalTime{ NSString *totalTime = [NSString stringWithFormat:@"%d:%d",(int)self.audioPlayer.duration/60,(int)self.audioPlayer.duration%60]; self.totalTime.text = totalTime;}#pragma mark 调节音量-(void)volumeChange{ self.audioPlayer.volume = self.volumeSlider.value; [self returnCurrentTime];}-(void)returnCurrentTime{ NSString *currentTime = [NSString stringWithFormat:@"%d:%d",(int)self.audioPlayer.currentTime/60,(int)self.audioPlayer.currentTime%60]; if((int)self.audioPlayer.currentTime%60<10){ currentTime = [NSString stringWithFormat:@"%d:0%d",(int)self.audioPlayer.currentTime/60,(int)self.audioPlayer.currentTime%60]; } self.currentTimeLabel.text = currentTime; }#pragma mark 调节时间-(void)durationChange{ self.audioPlayer.currentTime = self.durationlSlider.value*self.audioPlayer.duration;}- (void)dealloc { [_audioPlayer release]; [_durationlSlider release]; [_volumeSlider release]; [_musicData release]; [_currentTimeLabel release]; [_musicNameLabel release]; [_totalTime release]; [_lrcDict release]; [_timeArray release]; [_lrcTableView release]; [super dealloc];}#pragma mark 初始化数据-(void)initView{ //当前时间 self.currentTimeLabel = [[UILabel alloc] initWithFrame:CGRectMake(20, 35, 40, 20)]; self.currentTimeLabel.text = @"0:00"; self.currentTimeLabel.backgroundColor = [UIColor clearColor]; [self.view addSubview:self.currentTimeLabel]; //持续时间 self.durationlSlider = [[UISlider alloc] initWithFrame:CGRectMake(65, 30, 190, 30)]; [self.durationlSlider addTarget:self action:@selector(durationChange) forControlEvents:UIControlEventValueChanged]; [self.view addSubview:self.durationlSlider]; //总时间 self.totalTime = [[UILabel alloc] initWithFrame:CGRectMake(265, 35, 40, 20)]; self.totalTime.text = @"0:00"; self.totalTime.backgroundColor = [UIColor clearColor]; [self.view addSubview:self.totalTime]; UIView *subView = [[UIView alloc] initWithFrame:CGRectMake(50, 250, 220, 60)]; [self.view addSubview:subView]; UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom]; //上一曲 button.frame = CGRectMake(0, 0, kBtnWidth, kBtnHeight); [button setImage:[UIImage imageNamed:@"left"] forState:UIControlStateNormal]; [button addTarget:self action:@selector(previousSound) forControlEvents:UIControlEventTouchUpInside]; [subView addSubview:button]; //播放暂停 button = [UIButton buttonWithType:UIButtonTypeCustom]; button.frame = CGRectMake(80, 0, kBtnWidth, kBtnHeight); [button setImage:[UIImage imageNamed:@"play"] forState:UIControlStateNormal]; [button addTarget:self action:@selector(palyAndPause:) forControlEvents:UIControlEventTouchUpInside]; [subView addSubview:button]; //下一曲 button = [UIButton buttonWithType:UIButtonTypeCustom]; button.frame = CGRectMake(160, 0, kBtnWidth, kBtnHeight); [button addTarget:self action:@selector(nextSound) forControlEvents:UIControlEventTouchUpInside]; [button setImage:[UIImage imageNamed:@"right"] forState:UIControlStateNormal]; [subView addSubview:button]; //显示歌ci self.musicLrcLable = [[UILabel alloc] initWithFrame:CGRectMake(0, 400, 320, 44)]; self.musicLrcLable.textAlignment = NSTextAlignmentCenter; self.musicLrcLable.backgroundColor = [UIColor greenColor]; [self.view addSubview:self.musicLrcLable]; //显示歌名 self.musicNameLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 200, 320, 40)]; self.musicNameLabel.backgroundColor = [UIColor clearColor]; self.musicNameLabel.textAlignment = NSTextAlignmentCenter; [self.view addSubview:self.musicNameLabel]; //音量 button = [UIButton buttonWithType:UIButtonTypeCustom]; button.frame = CGRectMake(10, 390, kBtnWidth, kBtnHeight); [button addTarget:self action:@selector(showVolumeSlider) forControlEvents:UIControlEventTouchUpInside]; [button setImage:[UIImage imageNamed:@"labalan"] forState:UIControlStateNormal]; [button setImage:[UIImage imageNamed:@"laba"] forState:UIControlStateHighlighted]; [self.view addSubview:button]; self.volumeSlider = [[UISlider alloc] initWithFrame:CGRectMake(-80, 280, 220, 5)]; self.volumeSlider.minimumValue = 0; self.volumeSlider.maximumValue = 1; self.volumeSlider.hidden = YES; self.volumeSlider.transform = CGAffineTransformMakeRotation(-95* M_PI/180); [self.view addSubview:self.volumeSlider]; [self.volumeSlider addTarget:self action:@selector(volumeChange) forControlEvents:UIControlEventValueChanged]; }-(void) initLrc:(ZjMusic*)music{ NSLog(@"%@ ,%@",music.name,music.type); self.timeArray = [[NSMutableArray alloc] init]; self.lrcDict = [[NSMutableDictionary alloc] init]; NSString *lrcPath = [[NSBundle mainBundle] pathForResource:music.name ofType:@"lrc"]; NSString *contentStr = [NSString stringWithContentsOfFile:lrcPath encoding:NSUTF8StringEncoding error:nil]; NSArray *array = [contentStr componentsSeparatedByString:@"\n"]; for (int i= 0; i<array.count; i ++) { NSString *lineStr = array[i]; NSArray *lineArray = [lineStr componentsSeparatedByString:@"]"]; NSString *lrcStr = [lineArray objectAtIndex:1]; if([lineArray[0] length]>5){ NSString *timeStr = [lineArray[0] substringWithRange:NSMakeRange(1, 5)]; NSArray *timeArray = [timeStr componentsSeparatedByString:@":"]; NSInteger timeInt = [timeArray[0] intValue]*60 + [timeArray[1] intValue]; NSString *timeTostr = [NSString stringWithFormat:@"%d",timeInt]; [self.lrcDict setObject:lrcStr forKey:timeTostr]; [self.timeArray addObject:timeTostr]; } } // NSLog(@"%d",self.timeArray.count); }@end |