点击自定义键盘按钮时如何播放铃声 [英] How to play tock sound when tapping custom keyboard buttons

问题描述

一段时间以来，我一直在为 iOS 8 开发自定义键盘，到目前为止一切正常，但我仍然无法理解这种敲击声.

I've been working on a custom keyboard for iOS 8 for some time and everything went fine so far, but I still couldn't get my head around this tapping sound stuff.

我搜索了这个问题的高低，并尝试了几种方法，包括

I searched high and low for this issue and tried several approaches including

1. 使用音频工具箱
2. 使用 AVFoundation
3. 将 tock.caf 放入我的包中即可播放

其中一些在模拟器中有效，但在我的设备中均无效.在点击自定义键盘按钮时成功播放声音的任何人都可以分享一些工作代码吗?如果代码能够尊重声音设置，那就最好了.

Some of them works, in the simulators but none of them works in my devices. Could anyone who has successfully played sound when tapping on custom keyboard buttons care to share some working code? And it is the best if the code could honor the sound settings.

推荐答案

终于得到了其他SO thread的回答.

Finally I got an answer from other SO thread.

- (void)playSound
{
    NSString *soundPath = [[NSBundle mainBundle] pathForResource:@"Tock" ofType:@"caf"];
    SystemSoundID soundID;
    AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath: soundPath], &soundID);
    AudioServicesPlaySystemSound (soundID);
}

我已经在 iOS8 Beta 2 的模拟器和设备上实现并验证了此方法.

I have implemented and verified this method works on both simulators and devices on iOS8 Beta 2.

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