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音乐播放器（主界面）

2024-07-12 19:45:21 222人阅读

import

@interface MjMusicViewController : UIViewController { NSInteger controlPlayStyle; NSInteger controlPlay; NSMutableArray *timeArray; NSMutableDictionary *LRCDictionary; NSUInteger lrcLineNumber; }

@end

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import "MjMusicViewController.h"

import "DXSemiViewControllerCategory.h"

import

define kLrcTableView 10001

//#define kPlaySequent 1; //#define kPlayRandom 2; //#define kPlayCircle 3;

static NSString *songIdentify = @"songIdentify"; @interface MjMusicViewController ()

@property (retain, nonatomic) IBOutlet UIView *controlView; @property (retain, nonatomic) IBOutlet UIImageView *imageView; @property (nonatomic,retain)AVAudioPlayer *audioPlayer; @property (retain, nonatomic) IBOutlet UIButton *songBtn; @property (retain, nonatomic) IBOutlet UIButton *playStyleBtn; @property (retain, nonatomic) IBOutlet UISlider *sliderProgress; @property (retain, nonatomic) IBOutlet UIButton *controlBtn; @property (retain, nonatomic) IBOutlet UIButton *priorSongBtn; @property (retain, nonatomic) IBOutlet UIButton *nextSongBtn; @property (retain, nonatomic) IBOutlet UILabel *labelAllTime; @property (retain, nonatomic) IBOutlet UILabel *labelProgressTime; @property (retain, nonatomic) IBOutlet UISlider *sliderVolume; @property (retain, nonatomic) IBOutlet UILabel *songNameLabel; @property (retain, nonatomic) IBOutlet UITableView *lrcTableView;

@property (nonatomic,retain)NSArray *songsDataSource; @property (nonatomic,assign)NSInteger musicNum; @property (nonatomic,retain)NSString *currentSong; @property (nonatomic ,retain)UITableView *songTableView; @property (nonatomic,retain)NSURL *soundURL;

@end

@implementation MjMusicViewController - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization self.songsDataSource = @[@"光辉岁月",@"Never Give Up",@"怒放的生命",@"你给我听好",@"You Belong With Me",@"Stay Beautiful",@"我只在乎你",@"泡沫"];

}
return self;

}

(void)viewDidLoad { [super viewDidLoad]; controlPlayStyle = 2; controlPlay = 1; self.controlView.alpha = 0.6f; self.controlView.backgroundColor = [UIColor lightGrayColor]; self.view.backgroundColor = [UIColor lightGrayColor]; self.navigationController.navigationBarHidden = YES;

self.imageView.animationImages = @[[UIImage imageNamed:@"scene1.jpg"], [UIImage imageNamed:@"scene2.jpg"], [UIImage imageNamed:@"scene3.jpg"], [UIImage imageNamed:@"scene4.jpg"], [UIImage imageNamed:@"scene5.jpg"], ];

self.imageView.animationDuration = 20.0; [self.imageView stopAnimating]; [self.view addSubview:self.imageView]; [self.imageView addSubview:self.songNameLabel]; [self.imageView addSubview:self.labelProgressTime]; [self.imageView addSubview:self.labelAllTime]; [self.imageView addSubview:self.sliderProgress]; [self.imageView addSubview:self.controlView]; [self.imageView addSubview:self.lrcTableView];

// 为了显示歌词

self.lrcTableView.tag = 10001;
self.lrcTableView.backgroundColor = [UIColor clearColor];
self.lrcTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
self.lrcTableView.dataSource = self;
self.lrcTableView.delegate =self;
lrcLineNumber = 0;

timeArray = [[NSMutableArray alloc] initWithCapacity:10];
LRCDictionary = [[NSMutableDictionary alloc] initWithCapacity:10];

// 初始化歌词 [self initLRC];

[NSTimer scheduledTimerWithTimeInterval:0.1
                                 target:self
                               selector:@selector(onTimer:)
                               userInfo:nil repeats:YES];
self.soundURL = [[NSBundle mainBundle] URLForResource:@"光辉岁月" withExtension:@"mp3"];
self.musicNum = 0;
NSError *error = nil;
self.audioPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:self.soundURL error:&error];
self.audioPlayer.delegate = self;
self.audioPlayer.numberOfLoops = 0;

if (nil != error) {
    NSLog(@"Error:%@",error);
}

[self.audioPlayer prepareToPlay];

[self.controlBtn setBackgroundImage:[UIImage imageNamed:@"play"]
                           forState:UIControlStateNormal];
[self.playStyleBtn setBackgroundImage:[UIImage imageNamed:@"mode_orderplay"]
                             forState:UIControlStateNormal];
self.songNameLabel.text = @"光辉岁月";

// 初始化Slider self.sliderProgress.minimumValue = http://www.mamicode.com/0.0;"mvvoiceSliderThumb"] forState:UIControlStateNormal]; [self.sliderVolume setThumbImage:[UIImage imageNamed:@"mvvoiceSliderThumb"] forState:UIControlStateNormal]; //格式化label显示时间 [self ruleTimeLabel:self.labelAllTime andTime:self.audioPlayer.duration];

//添加UISongTableView
CGRect songTableFrame = CGRectMake(320, 50, 300, 430);
self.songTableView = [[UITableView alloc ]initWithFrame:songTableFrame
                                                  style:UITableViewStylePlain];
self.songTableView.alpha = 0.6f;
self.songTableView.dataSource = self;
self.songTableView.delegate = self;
[self.songTableView registerClass:[UITableViewCell class]
           forCellReuseIdentifier:songIdentify];

// 添加手势 UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc ] initWithTarget:self action:@selector(onSingleTap:)]; // 表示多点触摸时的手指数量 tapGesture.numberOfTouchesRequired = 1; // 表示轻拍的次数，现在一个手指轻拍一次，也就是单击的动作 tapGesture.numberOfTapsRequired = 1; // 为视图view添加上手势的动作处理 [self.imageView addGestureRecognizer:tapGesture];

}

pragma mark -

pragma mark dataSource

(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { if (tableView.tag == kLrcTableView) { return timeArray.count; }else{ return self.songsDataSource.count; }

}

(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *cellIdentifier = @"LRCCell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier]; if (tableView.tag == kLrcTableView) { if (cell == nil) { cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier]; } cell.selectionStyle = UITableViewCellSelectionStyleNone;//该表格选中后没有颜色 cell.backgroundColor = [UIColor clearColor]; if (indexPath.row == lrcLineNumber) { cell.textLabel.text = LRCDictionary[timeArray[indexPath.row]]; cell.textLabel.textColor = [UIColor orangeColor]; cell.textLabel.font = [UIFont systemFontOfSize:15]; } else { cell.textLabel.text = LRCDictionary[timeArray[indexPath.row]]; cell.textLabel.textColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.5]; cell.textLabel.font = [UIFont systemFontOfSize:13]; } cell.textLabel.backgroundColor = [UIColor clearColor]; cell.textLabel.textAlignment = NSTextAlignmentCenter; }else { cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier]; cell.textLabel.text = self.songsDataSource[indexPath.row]; cell.textLabel.textAlignment = NSTextAlignmentLeft;

}

return cell;

} //行高 - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return 35; }

pragma mark -

pragma mark UITableView Delegate

(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if (tableView.tag == kLrcTableView) {

}else{ self.currentSong = self.songsDataSource[indexPath.row]; self.musicNum = indexPath.row; [self initLRC]; self.songNameLabel.text = self.songsDataSource[indexPath.row]; self.soundURL = [[NSBundle mainBundle] URLForResource:self.currentSong withExtension:@"mp3"];

if ([self.audioPlayer isPlaying]) { [self.audioPlayer stop]; [self changeSongs]; [self.audioPlayer play]; } else { [self changeSongs]; [self.audioPlayer play]; [self.controlBtn setBackgroundImage:[UIImage imageNamed:@"pause"] forState:UIControlStateNormal]; } }

}

pragma mark -

pragma mark AVAudioPlayer Delegate

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

// if (!controlPlayStyle) { // [self sequencePlay]; // self.audioPlayer.delegate = self; // [self.audioPlayer play]; // }else{ // [self randomPlay]; // self.audioPlayer.delegate = self; // [self.audioPlayer play]; // } switch (controlPlay) { case 1: [self sequencePlay]; self.audioPlayer.delegate = self; [self.audioPlayer play]; break; case 2: [self randomPlay]; self.audioPlayer.delegate = self; [self.audioPlayer play]; break; case 3: self.audioPlayer.numberOfLoops = -1; self.audioPlayer.delegate = self; [self.audioPlayer play]; break;

    default:
        break;
}

}

pragma mark -

pragma mark 方法回调

(void)onTimer:(NSTimer *)timer { self.sliderProgress.value = http://www.mamicode.com/self.audioPlayer.currentTime;>
(IBAction)sliderProgressBtn:(UISlider *)sender { self.audioPlayer.currentTime = self.sliderProgress.value; self.sliderProgress.value =http://www.mamicode.com/sender.value;>
(IBAction)onSliderVolumeBtn:(UISlider*)sender { self.audioPlayer.volume = sender.value; }

//播放暂停控制按钮 - (IBAction)onControlBtn:(id)sender { if ([self.audioPlayer isPlaying]) { [self.controlBtn setBackgroundImage:[UIImage imageNamed:@"play"] forState:UIControlStateNormal]; [self.audioPlayer pause]; }else{ [self.controlBtn setBackgroundImage:[UIImage imageNamed:@"pause"] forState:UIControlStateNormal]; [self.audioPlayer play]; } }

//得到歌曲列表 - (IBAction)onSongsBtn:(id)sender { [UIView beginAnimations:@"animation" context:nil]; [UIView setAnimationCurve:UIViewAnimationCurveLinear]; [UIView setAnimationDuration:0.2]; CGRect frame = self.songTableView.frame; frame.origin.x = 80; self.songTableView.frame = frame; [self.view addSubview:self.songTableView]; [UIView commitAnimations];

}

//上一首歌 - (IBAction)onPriorBtn:(id)sender { if (self.musicNum == 0) { self.musicNum = self.songsDataSource.count - 1; [self changeToPlay]; }else{ self.musicNum -= 1; [self changeToPlay];

}

//下一首歌 - (IBAction)onNextBtn:(id)sender { if (self.musicNum == self.songsDataSource.count - 1) { self.musicNum = 0; [self changeToPlay]; }else{ self.musicNum += 1; [self changeToPlay];

}
NSLog(@"%ld",(long)self.musicNum);

}

//随机播放 - (IBAction)onSongRudomBtn:(id)sender { // if (controlPlayStyle == 2) { // controlPlayStyle = YES; // [self.playStyleBtn setBackgroundImage:[UIImage imageNamed:@"moderandplay"] // forState:UIControlStateNormal]; // }else if(controlPlayStyle == 3) // { // controlPlayStyle = NO; // [self.playStyleBtn setBackgroundImage:[UIImage imageNamed:@"modeorderplay"] // forState:UIControlStateNormal]; // } switch (controlPlayStyle) { case 1: [self.playStyleBtn setBackgroundImage:[UIImage imageNamed:@"modeorderplay"] forState:UIControlStateNormal]; controlPlay = 1; controlPlayStyle = 2; break; case 2: [self.playStyleBtn setBackgroundImage:[UIImage imageNamed:@"moderandplay"] forState:UIControlStateNormal]; controlPlay = 2; controlPlayStyle = 3; break; case 3: [self.playStyleBtn setBackgroundImage:[UIImage imageNamed:@"mode_repeatlist"] forState:UIControlStateNormal]; controlPlay = 3; controlPlayStyle = 1; break; default: break; } }

//手势 - (void)onSingleTap:(UITapGestureRecognizer *)singleTap { [self.songTableView removeFromSuperview]; }

(void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [self.imageView startAnimating]; }
(void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:YES]; [self.imageView stopAnimating]; }

//顺序播放 - (void)sequencePlay {

    if (self.musicNum == self.songsDataSource.count - 1) {
        self.musicNum = 0;
        [self changeToPlay];

    }else{
        self.musicNum += 1;
        [self changeToPlay];

    }

}

//随机播放 - (void)randomPlay { // if (self.audioPlayer.currentTime >= self.audioPlayer.duration-1.05) { NSInteger number = arc4random()%self.songsDataSource.count; self.musicNum = number; [self changeToPlay];

}

//切歌播放 - (void)changeToPlay { self.currentSong = self.songsDataSource[self.musicNum]; self.soundURL =[[NSBundle mainBundle] URLForResource:self.currentSong withExtension:@"mp3"]; timeArray = [[NSMutableArray alloc] initWithCapacity:10]; LRCDictionary = [[NSMutableDictionary alloc] initWithCapacity:10]; [self initLRC]; self.songNameLabel.text = self.songsDataSource[self.musicNum]; if ([self.audioPlayer isPlaying]) { [self.audioPlayer stop]; [self changeSongs]; [self.audioPlayer play]; }else{ [self changeSongs]; } self.audioPlayer.delegate = self;

}

//切歌 - (void)changeSongs { NSError *error = nil; self.audioPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:self.soundURL error:&error];

[self ruleTimeLabel:self.labelAllTime andTime:self.audioPlayer.duration];
self.sliderProgress.minimumValue = http://www.mamicode.com/0.0;"Error:%@",error);
}

[self.audioPlayer prepareToPlay];

}

//时间格式 - (void)ruleTimeLabel:(UILabel *)label andTime:(float)time { NSDateFormatter *date = [[NSDateFormatter alloc]init]; [date setDateFormat:@"mm:ss"];

label.text = [date stringFromDate:[NSDate dateWithTimeIntervalSince1970:time]];

}

pragma mark 得到歌词

(void)initLRC { NSString *LRCPath = [[NSBundle mainBundle] pathForResource:self.songsDataSource[self.musicNum] ofType:@"lrc"]; NSString *contentStr = [NSString stringWithContentsOfFile:LRCPath encoding:NSUTF8StringEncoding error:nil]; // NSLog(@"contentStr = %@",contentStr); NSArray *array = [contentStr componentsSeparatedByString:@"\n"]; for (int i = 0; i < [array count]; i++) { NSString *linStr = [array objectAtIndex:i]; NSArray *lineArray = [linStr componentsSeparatedByString:@"]"]; if ([lineArray[0] length] > 8) { NSString *str1 = [linStr substringWithRange:NSMakeRange(3, 1)]; NSString *str2 = [linStr substringWithRange:NSMakeRange(6, 1)]; if ([str1 isEqualToString:@":"] && [str2 isEqualToString:@"."]) { NSString *lrcStr = [lineArray objectAtIndex:1]; NSString *timeStr = [[lineArray objectAtIndex:0] substringWithRange:NSMakeRange(1, 5)];//分割区间求歌词时间 //把时间和歌词加入词典 [LRCDictionary setObject:lrcStr forKey:timeStr]; [timeArray addObject:timeStr];//timeArray的count就是行数 } } } }

pragma mark 动态显示歌词

(void)displaySondWord:(NSUInteger)time { // NSLog(@"time = %u",time); for (int i = 0; i < [timeArray count]; i++) {

NSArray *array = [timeArray[i] componentsSeparatedByString:@":"];//把时间转换成秒
NSUInteger currentTime = [array[0] intValue] * 60 + [array[1] intValue];
if (i == [timeArray count]-1) {
    //求最后一句歌词的时间点
    NSArray *array1 = [timeArray[timeArray.count-1] componentsSeparatedByString:@":"];
    NSUInteger currentTime1 = [array1[0] intValue] * 60 + [array1[1] intValue];
    if (time > currentTime1) {
        [self updateLrcTableView:i];
        break;
    }
} else {
    //求出第一句的时间点，在第一句显示前的时间内一直加载第一句
    NSArray *array2 = [timeArray[0] componentsSeparatedByString:@":"];
    NSUInteger currentTime2 = [array2[0] intValue] * 60 + [array2[1] intValue];
    if (time < currentTime2) {
        [self updateLrcTableView:0];
        //                NSLog(@"马上到第一句");
        break;
    }
    //求出下一步的歌词时间点，然后计算区间
    NSArray *array3 = [timeArray[i+1] componentsSeparatedByString:@":"];
    NSUInteger currentTime3 = [array3[0] intValue] * 60 + [array3[1] intValue];
    if (time >= currentTime && time <= currentTime3) {
        [self updateLrcTableView:i];
        break;
    }

}

} }

pragma mark 动态更新歌词表歌词

(void)updateLrcTableView:(NSUInteger)lineNumber { // NSLog(@"lrc = %@", [LRCDictionary objectForKey:[timeArray objectAtIndex:lineNumber]]); //重新载入歌词列表lrcTabView lrcLineNumber = lineNumber; [self.lrcTableView reloadData]; //使被选中的行移到中间 NSIndexPath *indexPath = [NSIndexPath indexPathForRow:lineNumber inSection:0]; [self.lrcTableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionMiddle]; // NSLog(@"%i",lineNumber); }
(void)didReceiveMemoryWarning { [super didReceiveMemoryWarning];

}

@end

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首页 > 代码库 > 音乐播放器（主界面）

音乐播放器（主界面）

import

import

import "MjMusicViewController.h"

import "DXSemiViewControllerCategory.h"

import

define kLrcTableView 10001

pragma mark -

pragma mark dataSource

pragma mark -

pragma mark UITableView Delegate

pragma mark -

pragma mark AVAudioPlayer Delegate

pragma mark -

pragma mark 方法回调

pragma mark 得到歌词

pragma mark 动态显示歌词

pragma mark 动态更新歌词表歌词

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