我正在使用最新版本的 Exoplayer (2.16.1)。我使用下面的代码创建前台服务通知，但它带有通知声音。我怎样才能防止这种声音？
override fun onCreate() {
super.onCreate()
playerNotificationManager = PlayerNotificationManager
.Builder(this, 9998, NOTIFICATION_CHANNEL_ID)
.setMediaDescriptionAdapter(PlayerNotificationAdapter())
.setChannelImportance(IMPORTANCE_HIGH)
.setNotificationListener(object : PlayerNotificationManager.NotificationListener {
override fun onNotificationPosted(
notificationId: Int,
notification: Notification,
ongoing: Boolean
) {
super.onNotificationPosted(notificationId, notification, ongoing)
if (ongoing) {
startForeground(notificationId, notification)
}
}
override fun onNotificationCancelled(
notificationId: Int,
dismissedByUser: Boolean
) {
super.onNotificationCancelled(notificationId, dismissedByUser)
stopSelf()
stopForeground(false)
}
})
.setChannelNameResourceId(R.string.NotificationChannelName)
.setChannelDescriptionResourceId(R.string.NotificationChannelDescription)
.build()
playerNotificationManager.setSmallIcon(R.drawable.ic_play)
playerNotificationManager.setPriority(PRIORITY_MAX)
playerNotificationManager.setPlayer(musicPlayerManager.exoPlayer)
mediaSessionCompat = MediaSessionCompat(this, MEDIA_SESSION_TAG)
mediaSessionCompat.isActive = true
playerNotificationManager.setMediaSessionToken(mediaSessionCompat.sessionToken)
mediaSessionConnector = MediaSessionConnector(mediaSessionCompat)
val timelineQueueNavigator = object : TimelineQueueNavigator(mediaSessionCompat) {
override fun getMediaDescription(
player: Player,
windowIndex: Int
): MediaDescriptionCompat {
return MediaDescriptionCompat.Builder().build()
}
}
mediaSessionConnector.setQueueNavigator(timelineQueueNavigator)
mediaSessionConnector.setPlayer(musicPlayerManager.exoPlayer)
}
请注意，我想使用 Exoplayer 的 PlayerNotificationManager 来创建通知。