相关疑难解决方法(0)

我有一个我在通知中使用的自定义mp3声音.它适用于API 26以下的所有设备.我也尝试在Notification Channel上设置声音,但仍无法正常工作.它播放默认声音.

NotificationCompat.Builder builder = new NotificationCompat.Builder(this, channelId)
            .setAutoCancel(true)
            .setSmallIcon(R.drawable.icon_push)
            .setColor(ContextCompat.getColor(this, R.color.green))
            .setContentTitle(title)
            .setSound(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.notification))
            .setDefaults(Notification.DEFAULT_VIBRATE)
            .setStyle(new NotificationCompat.BigTextStyle().bigText(message))
            .setContentText(message);
        Notification notification = builder.build();
        NotificationManager notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            NotificationChannel channel = new NotificationChannel(channelId, channelName, NotificationManager.IMPORTANCE_DEFAULT);
            AudioAttributes audioAttributes = new AudioAttributes.Builder()
                    .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
                    .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
                    .build();
            channel.setSound(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.notification), audioAttributes);
            notificationManager.createNotificationChannel(channel);
        }
        notificationManager.notify(1, notification);

我有以下代码,但每次我只是听到默认的Android声音.

        // create  channel
        NotificationChannel channel = new NotificationChannel(ANDROID_CHANNEL_ID,
                ANDROID_CHANNEL_NAME, NotificationManager.IMPORTANCE_DEFAULT);
        // Sets whether notifications posted to this channel should display notification lights
        channel.enableLights(true);
        // Sets whether notification posted to this channel should vibrate.
        channel.enableVibration(true);
        // Sets the notification light color for notifications posted to this channel
        channel.setLightColor(Color.GREEN);
        // Sets whether notifications posted to this channel appear on the lockscreen or not
        //channel.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
        channel.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);

        Uri uri = Uri.parse("android.resource://"+this.getPackageName()+"/" + R.raw.aperturaabductores);

        AudioAttributes att = new AudioAttributes.Builder()
                .setUsage(AudioAttributes.USAGE_NOTIFICATION)
                .setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
                .build();
        channel.setSound(uri,att);

这是我的声音 …