iOS 简单的音频操作代码
2018-07-20 来源:open-open
// // ViewController.m // 尝试音效 // // Created by chen on 15/3/18. // Copyright (c) 2015年 lanrw. All rights reserved. // #import "ViewController.h" #import <AVFoundation/AVFoundation.h> @interface ViewController () @property (nonatomic,strong)AVAudioPlayer *av; @property (nonatomic,strong)AVAudioRecorder *rd; @end @implementation ViewController /** * 播放音效 */ - (IBAction)button1:(id)sender { NSURL *url = [[NSBundle mainBundle]URLForResource:@"A-Game Glitch Synth.caf" withExtension:nil]; SystemSoundID soundId; AudioServicesCreateSystemSoundID((__bridge CFURLRef)(url), &soundId); AudioServicesPlayAlertSound(soundId); } /** * 播放音乐 */ - (IBAction)button2:(id)sender { NSURL *url = [[NSBundle mainBundle]URLForResource:@"当你老了.mp3" withExtension:nil]; _av = [[AVAudioPlayer alloc]initWithContentsOfURL:url error:nil]; [_av prepareToPlay]; [_av play]; } /** * 按下录音 */ - (IBAction)button3:(id)sender { NSString *path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)lastObject]; path = [path stringByAppendingPathComponent:@"test.wav"]; NSURL *url = [NSURL fileURLWithPath:path]; _rd = [[AVAudioRecorder alloc]initWithURL:url settings:nil error:nil]; [_rd prepareToRecord]; [_rd record]; } /** * 弹起完成录音 */ - (IBAction)button4:(id)sender { [_rd stop]; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end
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