有谁知道为什么会这样？

这是我创建通知的代码：

builder = new NotificationCompat.Builder(context)
                    // Set Icon
                    .setSmallIcon(R.drawable.ic_launcher)
                    .setLargeIcon(icon)
                    // Set Ticker Message
                    .setTicker(message)
                    // Set Title
                    .setContentTitle(message)
                    // Set Text
                    .setContentText(context.getString(R.string.app_name))
                    // Add an Action Button below Notification
                    // .addAction(R.drawable.share,// context.getString(R.string.share),pendingShare)
                    // Set PendingIntent into Notification
                    .setContentIntent(contentIntent)
                    // Dismiss Notification
                    .setAutoCancel(true)
                    .setSound(
                            Uri.parse("android.resource://"
                                    + context.getPackageName()
                                    + "/"
                                    + prefs.getInt(Constants.NOTIF_SOUND,R.raw.al_affassi_full)));