Android Oreo 不播放自定义通知声音

Question

我正在尝试为 API > 26 添加自定义声音通知。下面是代码

NotificationChannel notificationChannel = new NotificationChannel("channel id","channel name",NotificationManager.IMPORTANCE_HIGH);
mNotificationManager.createNotificationChannel(notificationChannel);
AudioAttributes audioAttributes = new AudioAttributes.Builder()
                    .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
                    .setUsage(AudioAttributes.USAGE_NOTIFICATION)
                    .build();
notificationChannel.setSound(Uri.parse("android.resource://" + BuildConfig.APPLICATION_ID + "/raw/beep"),audioAttributes);

这里的问题是它播放设备的默认钢琴声，而不是播放 Assets 中的哔哔声。我不允许使用铃声管理器，但常识统计通知声音应该是指定的而不是默认的。

它适用于 API <= 26

Answer 1

最后我设法自己找到了解决方案。下面是代码

NotificationManager mNotificationManager =
                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {

            if(notificationSoundUri != null){
                // Changing Default mode of notification
                notificationCompatBuilder.setDefaults(Notification.DEFAULT_VIBRATE);

                // Creating an Audio Attribute
                AudioAttributes audioAttributes = new AudioAttributes.Builder()
                        .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
                        .setUsage(AudioAttributes.USAGE_ALARM)
                        .build();

                // Creating Channel
                NotificationChannel notificationChannel = new NotificationChannel(context.getString(R.string.channel_id_prayers),context.getString(R.string.channel_name_prayers),NotificationManager.IMPORTANCE_HIGH);
                notificationChannel.setSound(notificationSoundUri,audioAttributes);
                mNotificationManager.createNotificationChannel(notificationChannel);
            }
}
mNotificationManager.notify(0, notificationCompatBuilder.build());