IOS基础知识记录二
1.提醒用户信息, 铃声提醒或者震动提示SystemSoundID soundID; NSString *url = [ pathForResource: @"sound" ofType: @"wav"]; AudioServicesCreateSystemSoundID((__bridge CFURLRef), &soundID); AudioServicesPlaySystemSound(soundID); //AudioServicesPlayAlertSound(soundID)
AudioServicesPlaySystemSound如果系统静音, 则用户提示就没有什么效果
AudioServicesPlayAlertSound如果静音会震动，否则声音提示
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);单一的震动
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