6

我想在按下按钮时播放声音。此外,还有不止一种声音。我正在使用 Xcode 4.4.1 和 Storyboard。

在 .h 文件中

{
    IBOutlet UIButton *playSound;
}
4

2 回答 2

22

我认为写这种类型的例子会很有趣,所以我写了它。它演示了如何在按下按钮时播放不同的随机声音:

-(IBAction)buttonPressedWithSound:(id)sender {

    int randomSoundNumber = arc4random() % 4; //random number from 0 to 3

    NSLog(@"random sound number = %i", randomSoundNumber);

    NSString *effectTitle;

    switch (randomSoundNumber) {
        case 0:
            effectTitle = @"sound1";
            break;
        case 1:
            effectTitle = @"sound2";
            break;
        case 2:
            effectTitle = @"sound3";
            break;
        case 3:
            effectTitle = @"sound4";
            break;

        default:
            break;
    }

    SystemSoundID soundID;

    NSString *soundPath = [[NSBundle mainBundle] pathForResource:effectTitle ofType:@"caf"];
    NSURL *soundUrl = [NSURL fileURLWithPath:soundPath];

    AudioServicesCreateSystemSoundID ((CFURLRef)soundUrl, &soundID);
    AudioServicesPlaySystemSound(soundID);  
}

解释:

  • 在您的项目中添加四个声音:sound1.cafsound2.cafsound3.cafsound4.caf

  • 将 AudioToolbox 框架导入您的项目。并包含在 .h 中#import <AudioToolbox/AudioToolbox.h>

  • 不要忘记通过 将您的按钮连接到buttonPressedWithSoundIBAction

于 2012-08-09T17:38:47.247 回答
1

我找到了这种方式,它对我有用

SystemSoundID soundID;
NSString *soundPath = [[NSBundle mainBundle] pathForResource:ClickSoundFile ofType:FileTypemp3];
NSURL *soundUrl = [NSURL fileURLWithPath:soundPath];
AudioServicesCreateSystemSoundID ((__bridge CFURLRef)soundUrl, &soundID);
AudioServicesPlaySystemSound(soundID);

*笔记

ClickSoundFile : 声音文件名 FileTypemp3 : 文件类型 mp3

于 2016-08-19T06:59:15.847 回答