getDuration() {
    this.curr_playing_file = this.media.create(this.play_The_track);
    // On occassions, the plugin only gives duration of the file if the file is played
    // at least once
    this.curr_playing_file.play();
    this.curr_playing_file.setVolume(0.0);  // you don't want users to notice that you are playing the file
    const self = this;
    // The plugin does not give the correct duration on playback start
    // need to check for duration repeatedly
    let temp_duration = self.duration;
    this.get_duration_interval = setInterval(() => {
      if (self.duration === -1 || !self.duration) {
        self.duration = ~~(self.curr_playing_file.getDuration());  // make it an integer
      } else {
        if (self.duration !== temp_duration) {
          temp_duration = self.duration;
        }
        else {
          self.curr_playing_file.stop();
          self.curr_playing_file.release();
          clearInterval(self.get_duration_interval);
          this.display_duration = this.toHHMMSS(self.duration);
          self.setToPlayback();
        }
      }
    }, 100);
  }