ionic 2 - play mp3 file

I use https://ionicframework.com/docs/native/media/ plugin for play mp3 file in

ionic 2 project like this code : (put animal audio file in src/assets/audio/animal.mp3)

play(){
    const file: MediaObject = this.media.create('../assets/audio/animal.mp3');
    file.play();
  }

in html

 <button  (click) = "play()" >Paly</button>

but in android device and when click on play button , I cannot hear any sounds