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升级版音乐播放器
//
// secondViewController.m
// AudioPlayer
//
// Created by apple on 14-7-24.
// Copyright (c) 2014年 苹果IOS软件开发者. All rights reserved.
//
#import "secondViewController.h"
#import "ViewController.h"
@interface secondViewController ()<UITableViewDataSource,UITableViewDelegate>
@end
@implementation secondViewController
{
NSArray *playlist;
}
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
//(0,0,self.view.frame.size.width,self.view.frame.height)
UITableView *tableview = [[UITableView alloc] initWithFrame:CGRectMake(0, 14, 320, 466) style:UITableViewStylePlain];
//设置数据源
tableview.dataSource = self;
tableview.delegate = self;
tableview.rowHeight = 30;
[self.view addSubview:tableview];
playlist = @[@"拯救",@"给我一个理由忘记",@"小苹果",@"江南Style"];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#pragma mark - UITableViewDataSource
//这是UITableViewDataSource里面的方法
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section;
{
//返回表格的行数
return playlist.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath;
{
//使用重用标示获取已有的Cell
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell" ];
if (cell == nil)
{
//使用一个重要标示创建一个Cell
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"cell"];
}
//在cell上显示文字
cell.textLabel.text = [NSString stringWithFormat:@"%ld.%@",(long)indexPath.row,playlist[indexPath.row]];
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath;
{
NSLog(@"did select row: %d",indexPath.row);
ViewController *Ctrl = [[ViewController alloc] initWithNibName:nil bundle:nil];
[Ctrl myRow:indexPath.row];
//延时加载
[self presentViewController:Ctrl animated:YES completion:^{NSLog(@"...completion");}];
}
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
@end
//
// ViewController.m
// AudioPlayer
//
// Created by apple on 14-7-18.
// Copyright (c) 2014年 苹果IOS软件开发者. All rights reserved.
//
#import "ViewController.h"
#import "secondViewController.h"
#import <AVFoundation/AVFoundation.h>
@interface ViewController ()<AVAudioPlayerDelegate>
{
int _myRow;
AVAudioPlayer *player;
UIImageView *imageview;
NSTimer *timer;
NSArray *playlist;
}
@property IBOutlet UISlider *progressSlider;
@property IBOutlet UILabel *musicname;
@end
@implementation ViewController
- (void)myRow:(int)row
{
_myRow = row;
}
- (void)createbjview
{
//设置音量图标
UIImageView *volimageview = [[UIImageView alloc] initWithFrame:CGRectMake(0, 15, 64, 64)];
volimageview.image = [UIImage imageNamed:@"vol"];
[self.view addSubview:volimageview];
imageview = [[UIImageView alloc ]initWithFrame:CGRectMake(0, 0, 320, 480)];
imageview.image = [UIImage imageNamed:@"0"];
[self.view addSubview:imageview];
[self.view sendSubviewToBack:imageview];
}
-(void)createButtons
{
//2.上一曲/下一曲按钮
UIButton *nextbtn = [UIButton buttonWithType:UIButtonTypeCustom];
[nextbtn setImage:[UIImage imageNamed:@"next"] forState:UIControlStateNormal];
nextbtn.frame = CGRectMake(224, 410, 64, 64);
[nextbtn addTarget:self action:@selector(didnextclicked:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:nextbtn];
UIButton *prevbtn = [UIButton buttonWithType:UIButtonTypeCustom];
[prevbtn setImage:[UIImage imageNamed:@"prev"] forState:UIControlStateNormal];
prevbtn.frame = CGRectMake(32, 410, 64, 64);
[prevbtn addTarget:self action:@selector(didprevclicked:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:prevbtn];
}
- (void)createSlider
{
UISlider *volumeSlider=[[UISlider alloc] initWithFrame:CGRectMake(60, 35, 220, 10)];
volumeSlider.value = http://www.mamicode.com/0.5;
volumeSlider.maximumValue= http://www.mamicode.com/1 ;
volumeSlider.minimumValue= http://www.mamicode.com/0 ;
[volumeSlider addTarget:self action:@selector(Volume:) forControlEvents:UIControlEventValueChanged];
[self.view addSubview:volumeSlider];
_progressSlider=[[UISlider alloc]initWithFrame:CGRectMake(30,390 ,260 ,10 )];
_progressSlider.tintColor = [UIColor blueColor];_progressSlider.minimumValue = http://www.mamicode.com/0;
_progressSlider.maximumValue = http://www.mamicode.com/1;
[_progressSlider addTarget:self action:@selector(Progress:) forControlEvents:UIControlEventValueChanged];
[self.view addSubview:_progressSlider];
}
- (void)createLabel
{
_musicname=[[UILabel alloc]initWithFrame:CGRectMake(60, 350, 200, 20)];
_musicname.textColor=[UIColor whiteColor];
_musicname.textAlignment=NSTextAlignmentCenter;
_musicname.text=[NSString stringWithFormat:@"%@",playlist[_myRow]];
[self.view addSubview:_musicname];
}
- (void)didclicked:(id)sender
{
UIButton *playorstopbtn =(UIButton *)sender;
//判断当前的播放状态
if(player.playing)
{
playorstopbtn.selected = NO;
[player pause];
}
else
{
playorstopbtn.selected = YES;
[player play];
}
}
- (void)didnextclicked:(UIButton *)sender
{
if(player.playing)
{
if (_myRow == playlist.count-1)
{
_myRow = 0;
}
else
{
_myRow++;
}
[self play];
}
else{
if (_myRow == playlist.count-1)
{
_myRow = 0;
}
else
{
_myRow++;
}
[player pause];
}
NSLog(@"The next song");
}
- (void)didprevclicked:(UIButton *)sender
{
if(player.playing)
{
if(_myRow==0)
{
_myRow=playlist.count-1 ;
}
else
{
_myRow=_myRow-1;
}
[self play];
}
else
{
if(_myRow==0)
{
_myRow=playlist.count-1 ;
}
else
{
_myRow=_myRow-1;
}
[player pause];
}
NSLog(@"The previous song");
}
- (void)Volume:(UISlider *)sender
{
player.volume = sender.value;
NSLog(@"%f",sender.value);
}
- (void)Progress:(UISlider *)sender {
player.currentTime =sender.value *player.duration;
}
- (void)refreshProgress
{
self.progressSlider.value=http://www.mamicode.com/player.currentTime/player.duration;
}
- (void)viewDidLoad {
UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
[btn setTitle:@"Back" forState:UIControlStateNormal];
[btn addTarget:self action:@selector(didClicked) forControlEvents:UIControlEventTouchUpInside];
btn.frame = CGRectMake(280, 20, 40, 20);
[self.view addSubview:btn];
[super viewDidLoad];
[self createbjview];
[self createButtons];
[self createSlider];
[self createLabel];
playlist = @[@"拯救",@"给我一个理由忘记",@"小苹果",@"江南Style"];
[self play];
// [player stop];
}
- (void)didClicked
{
[timer invalidate];
//使模态视图消失
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)play
{
//1.播放/暂停按钮
UIButton *playorstopbtn = [UIButton buttonWithType:UIButtonTypeCustom];
//设置按钮的图片
[playorstopbtn setImage:[UIImage imageNamed:@"play"] forState:UIControlStateNormal];
[playorstopbtn setImage:[UIImage imageNamed:@"pause"] forState:UIControlStateSelected];
playorstopbtn.frame = CGRectMake(128, 410, 64, 64);
[playorstopbtn addTarget:self action:@selector(didclicked:) forControlEvents:UIControlEventTouchUpInside];
playorstopbtn.adjustsImageWhenHighlighted =FALSE;
[self.view addSubview:playorstopbtn];
//显示专辑图片
NSString *imageName =[NSString stringWithFormat:@"%d.jpg", _myRow];
imageview.image=[UIImage imageNamed:imageName];
NSString *name = playlist[_myRow];
_musicname.text=[NSString stringWithFormat:@"%@",playlist[_myRow]]; //获取本地音乐的文件路径
NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"mp3"];
//将文件读入内存中
// NSData *data = http://www.mamicode.com/[NSData dataWithContentsOfFile:path];
//创建一个播放器对象
//player = [[AVAudioPlayer alloc] initWithData:data error:nil];
//网络地址用下面的方法
//[NSURL URWithString:@"http://www.baidu.com"];
// //从文件路径生成一个url对象
NSURL *url = [NSURL fileURLWithPath:path];
//AVAudioPlayer只能播放本地文件
NSError *err;
player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&err];
NSLog(@"err:%@",err);
player.delegate = self;
//使能，播放速率控制，音量初始值
player.enableRate = YES;
player.rate = 1;
player.volume = 0.5;
NSLog(@"%f",player.volume);
[player prepareToPlay];
[player play];
//从currentTime开始播放
//player.currentTime = 100;
if(player.playing)
{
playorstopbtn.selected = YES;
}
[timer invalidate];
//每隔1秒调用依次refreshProgress
timer = [NSTimer scheduledTimerWithTimeInterval: 1 target:self selector:@selector(refreshProgress) userInfo:nil repeats:YES];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end