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简单本地音乐播放器
//
// 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 <AVFoundation/AVFoundation.h>
@interface ViewController ()<AVAudioPlayerDelegate>
{
AVAudioPlayer *player;
NSArray *playlist;
long int index;
UIImageView *imageview;
NSTimer *timer;
}
@property (weak, nonatomic) IBOutlet UISlider *didclickedPorgress;
@property IBOutlet UILabel *label;
@end
@implementation ViewController
- (void)createLabels
{
_label=[[UILabel alloc] initWithFrame:CGRectMake(50,360,220,20)];
_label.textColor=[UIColor whiteColor];
_label.textAlignment = NSTextAlignmentCenter;
[self.view addSubview:_label];
}
- (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
{
//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];
//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)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 (index == playlist.count-1)
{
index = 0;
}
else
{
index++;
}
[self play];
}
else
{
if (index == playlist.count-1)
{
index = 0;
}
else
{
index++;
}
[self play];
[player stop];
}
NSLog(@"The next song");
}
- (void)didprevclicked:(UIButton *)sender
{
if (player.playing)
{
if(index==0)
{
index=playlist.count-1 ;
}
else
{
index=index-1;
}
[self play];
}
else
{
if(index==0)
{
index=playlist.count-1 ;
}
else
{
index=index-1;
}
[self play];
[player stop];
}
NSLog(@"The previous song");
}
-(void)refreshProgress
{
self.didclickedPorgress.value =http://www.mamicode.com/player.currentTime /player.duration;
}
- (IBAction)didvolumechanged:(UISlider *)sender {
player.volume = sender.value;
}
- (IBAction)didprogresschanged:(UISlider *)sender {
player.currentTime =sender.value *player.duration;
}
- (void)viewDidLoad {
[super viewDidLoad];
[self createbjview];
[self createLabels];
[self createButtons];
playlist =@[@"给我一个理由忘记",@"拯救",@"后会无期"];
[self play];
[player stop];
}
- (void)play
{
//显示专辑图片
NSString *imageName =[NSString stringWithFormat:@"%ld.jpg", index];
imageview.image=[UIImage imageNamed:imageName];
NSString *name = playlist[index];
// 显示歌名
_label.text=[NSString stringWithFormat:@"%@",playlist[index]];
//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
player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:nil];
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;
//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
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