示例代码:
Uri soundUri = Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.custom_notification_sound); NotificationCompat.Builder builder = new NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.notification_icon) .setContentTitle("My notification") .setContentText("Hello World!") .setPriority(NotificationCompat.PRIORITY_DEFAULT) .setSound(soundUri);