Play a sound when bluetooth is ON : no sound (iOS Swift) -


i programming bluetooth sensor ios swift, , play sound when bluetooth connected , sensor working. example, when temperature high, sound alert should beep.

however, reason, sound silent though playsound() function seems working : see println message "playing audio (test line. did line appear in console ?)" console.

i wonder whether bluetooth block avaudioplayer working. how make sound ?

the code such programmed sound should beep long bluetooth on. noticed interesting phenomenon : at moment when bluetooh turned off, sound beeps once. @ moment when app put background (push iphone home button), sound beeps once. kind of have feeling bluetooth blocked avaudioplayer, therefore, @ moment bluetooth turned off, avaudioplayer grabbed chance work once.

thanks bill

func playsound(){     println("playing audio (test line. did line appear in console ?)")     // set sound file name & extension     var alertsound = nsurl(fileurlwithpath: nsbundle.mainbundle().pathforresource("mario", oftype: "mp3")!)      // preperation     avaudiosession.sharedinstance().setcategory(avaudiosessioncategoryplayback, error: nil)     avaudiosession.sharedinstance().setactive(true, error: nil)      // play sound     var error: nserror?     audioplayer = avaudioplayer(contentsofurl: alertsound, error: &error)     audioplayer.preparetoplay()     audioplayer.play() }  func peripheral(peripheral: cbperipheral!, didupdatevalueforcharacteristic characteristic: cbcharacteristic!, error: nserror!) {      //self.statuslabel.text = "connected"       if characteristic.uuid == irtemperaturedatauuid {         // read parameters         let allvalues = sensor.gettemperaturedata(characteristic.value)         self.temperaturedata = allvalues[0]       //////////////////////////////////////////////////////////////////         self.playsound() }


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