运用iOS教你轻松制作音乐播放器

 // // ViewController.m // 播放音乐 // // Created by xubh on 2017/3/24. // Copyright © 2017年 xubh. All rights reserved. // #import "ViewController.h" #import  @interface ViewController () @property (weak, nonatomic) IBOutlet UIImageView *bgImageview; @property (strong,nonatomic) AVPlayer *player; @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // 背景图片和设备屏幕一样大 CGRect r = [ UIScreen mainScreen ].applicationFrame; self.bgImageview.frame = r; // Do any additional setup after loading the view, typically from a nib. // 毛玻璃效果 UIToolbar *toolbar = [[UIToolbar alloc]init]; toolbar.frame = self.bgImageview.bounds; toolbar.barStyle = UIBarStyleBlack; toolbar.alpha = 0.9; [self.bgImageview addSubview:toolbar]; // 创建播放器 // NSString *path =[[NSBundle mainBundle]pathForResource:@"mysong1.mp3" ofType:nil ]; // NSURL *url =[NSURL fileURLWithPath:path]; NSURL *url = [[NSBundle mainBundle] URLForResource:@"夜的乐章.mp3" withExtension:nil]; AVPlayerItem *playerItem = [[AVPlayerItem alloc]initWithURL:url]; self.player = [[AVPlayer alloc] initWithPlayerItem:playerItem]; } //开始播放和暂停播放 - (IBAction)startOrPauseMusic:(UIButton *)sender { switch (sender.tag) { case 3: [self.player play]; break; case 4: [self.player pause]; break; default: break; } } //切换歌曲 - (IBAction)changeMusic:(UIButton *)sender { NSString *musicName =nil; switch (sender.tag) { case 1: musicName = @"告白气球.mp3"; break; case 2: musicName = @"周杰伦串烧.mp3"; break; default: break; } NSURL *url = [[NSBundle mainBundle] URLForResource:musicName withExtension:nil]; AVPlayerItem *playerItem = [[AVPlayerItem alloc] initWithURL:url]; [self.player replaceCurrentItemWithPlayerItem:playerItem]; // 播放音乐 [self.player play]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end