private fun fireNotification() {
    var anotherIntent:Intent=Intent(this,ReminderActivity::class.java)
    var p1:PendingIntent= PendingIntent.getActivity(this,0,anotherIntent,0)
    val defaultSoundUri=RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)

    var notifyManager: NotificationManager =getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager

    var notification:Notification=NotificationCompat.Builder(this)
            .setContentTitle("Medicine Time")
            .setSmallIcon(R.mipmap.ic_launcher)
            .setSound(defaultSoundUri)
            .setContentText("Time to take your medicine")
            .setContentIntent(p1)
            .setAutoCancel(true)
            .build()
    notifyManager.notify(0,notification)
}