简单音乐播放器

今天复习了下导航器，把播放器美化了下


//  ViewController.m
//  播放器
//
//  Created by apple on 14-7-18.
//  Copyright (c) 2014年 apple. All rights reserved.
//

#import "ViewController.h"
#import "AVFoundation/AVFoundation.h"
#import "SetViewController.h"
@interface ViewController ()<AVAudioPlayerDelegate>
{
    AVAudioPlayer *player;//播放器
    NSArray *_musiclist;//歌曲名列表
    NSTimer *_timer;//定时器检查播放进度的动态送给进度tiao
    int _index;//歌曲的多少；
    UIImageView *imageView;
}
//播放进度的显示
@property IBOutlet UIButton *start;
@property IBOutlet UISlider *progressSlider;
@property IBOutlet UILabel *musicTitle;


@end

@implementation ViewController

//make backgrounder
- (void)backgrouder
{
    imageView=[[UIImageView alloc]initWithFrame:CGRectMake(0, 20, 320, 480)];
    imageView.image=[UIImage imageNamed:@"1.jpg"];
    [self.view addSubview:imageView];
    self.view.backgroundColor=[UIColor greenColor];
}

//make button and label
- (void)chuangJianBtnAndLabel
{
    //start/shop
    _start=[UIButton buttonWithType:UIButtonTypeCustom];
    _start.frame=CGRectMake(110, 400, 100, 35);
    //[_start setTitle:@"播放" forState:UIControlStateNormal];
    [_start setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    [_start setImage:[UIImage  imageNamed:@"03.jpg"] forState:UIControlStateNormal];
    [_start addTarget:self action:@selector(kaiOrStop) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:_start];
    
    //next music Btn
    UIButton *nextBtn=[UIButton buttonWithType:UIButtonTypeCustom];
    nextBtn.frame=CGRectMake(210, 400, 100, 35);
    [nextBtn setImage:[UIImage  imageNamed:@"02.jpg"] forState:UIControlStateNormal];
    [nextBtn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    [nextBtn addTarget:self action:@selector(next:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:nextBtn];
    
    //before music btn
    UIButton *beforeBtn=[UIButton buttonWithType:UIButtonTypeCustom];
    beforeBtn.frame=CGRectMake(10, 400, 100, 35);
    [beforeBtn setImage:[UIImage  imageNamed:@"04.jpg"] forState:UIControlStateNormal];    [beforeBtn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    [beforeBtn addTarget:self action:@selector(before:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:beforeBtn];
    
    UIButton *setBtn=[UIButton buttonWithType:UIButtonTypeCustom];
    setBtn.frame=CGRectMake(220, 20, 100, 30);
    [setBtn setTitle:@"setUp" forState:UIControlStateNormal];
    [setBtn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    [setBtn addTarget:self action:@selector(setBtn:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:setBtn];

    //[self buttonRect:CGRectMake(210, 300, 100, 30) Title:@"next" TitleColor:[UIColor redColor] Action:@selector(next:)];
    //[self buttonRect:CGRectMake(0, 300, 100, 30) Title:@"before" TitleColor:[UIColor redColor] Action:@selector(before:)];
    
    //labelChuangJian
    UILabel *shengYinlabel=[[UILabel alloc]initWithFrame:CGRectMake(14, 350, 80, 30)];
    shengYinlabel.text=@"声音";
    shengYinlabel.textColor=[UIColor yellowColor];
    [self.view addSubview:shengYinlabel];
    
    UILabel *progresslabel=[[UILabel alloc]initWithFrame:CGRectMake(14, 310, 80, 30)];
    progresslabel.text=@"进程";
    progresslabel.textColor=[UIColor yellowColor];
    [self.view addSubview:progresslabel];
    
    _musicTitle=[[UILabel alloc]initWithFrame:CGRectMake(14, 140, 280, 60)];
    _musicTitle.textColor=[UIColor greenColor];
    _musicTitle.textAlignment=NSTextAlignmentCenter;
    _musicTitle.text=[NSString stringWithFormat:@"%@",_musiclist[_index]];
    [self.view addSubview:_musicTitle];
}

- (void)setBtn:(UIButton *)sender
{
    SetViewController *setViewCter=[[SetViewController alloc]init];
    setViewCter.view.backgroundColor=[UIColor blueColor];
    [self.navigationController pushViewController:setViewCter animated:YES];
}

//下一首按钮
- (void)next:(UIButton *)sender
{
    
    if (_index==_musiclist.count-1)
    {
        _index=0;
    }
    else
    {
        _index++;
    }
    
    [self play];
    NSLog(@"下一首");
}

- (void)before:(UIButton *)sender
{
    if (_index==0)
    {
        _index=_musiclist.count-1;
    }
    else
    {
        _index--;
    }
    
    [self play];
    NSLog(@"上一首");
}

//创建UISlider
-(void)chuangJianSlider
{
    UISlider *shengYinSlider=[[UISlider alloc]initWithFrame:CGRectMake(50, 360, 250, 10)];
    shengYinSlider.value=0.3;
    shengYinSlider.tintColor=[UIColor blueColor];
    shengYinSlider.maximumValue=1;
    shengYinSlider.minimumValue=0;
    [shengYinSlider addTarget:self action:@selector(shengYin:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:shengYinSlider];
    
    _progressSlider=[[UISlider alloc]initWithFrame:CGRectMake(50, 320, 250, 10)];
//    _progressSlider.value=0.5;
    _progressSlider.tintColor=[UIColor blueColor];
    _progressSlider.maximumValue=1;
    _progressSlider.minimumValue=0;
    [_progressSlider addTarget:self action:@selector(progressSlider:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:_progressSlider];
}

//声音slider的动作方法
-(void)shengYin:(UISlider *)sender
{
    player.volume=sender.value;
    NSLog(@"%f",sender.value);
}



//播放进度调节显示
- (void)progressSlider:(UISlider *)sender
{
    player.currentTime=sender.value*player.duration;
}
//播放完成代理
- (void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag
{
    _index++;
    if (_index==_musiclist.count) {
        _index=0;
    }
    [self play];
}

//开始停止按钮
- (void)kaiOrStop
{
    
    if(player.playing)
    {
        [_start setImage:[UIImage  imageNamed:@"03.jpg"] forState:UIControlStateNormal];
        [player stop];
    }
    else
    {
        [_start setImage:[UIImage  imageNamed:@"05.jpg"] forState:UIControlStateNormal];
        [player play];
    }
    NSLog(@"kaiShiTingZhi");

}

//开始播放设置(shunXuPlay)
- (void)play
{
    NSString *name=_musiclist[_index];
    //显示不同的图片
    NSString *imageName=[NSString stringWithFormat:@"%d.jpg",_index+1];
    imageView.image=[UIImage imageNamed:imageName];
    
    //show music title
    _musicTitle.text=[NSString stringWithFormat:@"%@",_musiclist[_index]];
    NSString *path=[[NSBundle mainBundle] pathForResource:name ofType:@"mp3"];
    //    NSData *avData=[NSData dataWithContentsOfFile:path];
    //    player=[[AVAudioPlayer alloc]initWithData:avData error:nil];
    //生成一个urld的对象
    NSURL *url=[NSURL fileURLWithPath:path];
    
    NSData *data=[NSData dataWithContentsOfURL:url];
    //把本地文件给播放器
    player=[[AVAudioPlayer alloc]initWithData:data error:nil];
    player.delegate=self;
    //改变速率
    //player.enableRate=YES;
    player.rate=4;
    //设置开始的时间
    player.currentTime=0;
    player.volume=0.5;
    [player prepareToPlay];
    //开始播放
    [player play];
    //定时器来调用progress方法
    _timer=[NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(progress:) userInfo:nil repeats:YES];
}

//改变进度条
- (void)progress:(UISlider *)sender
{
    self.progressSlider.value=player.currentTime/player.duration;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    [self backgrouder];
    [self chuangJianBtnAndLabel];
    [self chuangJianSlider];
    
    _musiclist=@[@"Beyond-光辉岁月",@"G.E.M.邓紫棋-你把我灌醉",@"G.E.M.邓紫棋-回忆的沙漏 (国)",@"Beyond-海阔天空",@"Declan Galbraith-Tell Me Why"];
    [self play];
    [player stop];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end