但是，当收到通知时，通知收件箱样式会更新

Posted 2021-05-06

我试图制作一个通知样式，我希望所有通知都在一个引擎盖下，它们将显示为行。如果有新通知，则应该是最新的通知。通知列表应为5，这意味着只能显示最新的5。

我正在使用下面的代码，我不知道如何实现这一点，我尝试了我的手StackBuilder然而我得到了，这将使用更高的API而不是我现在使用的。

NotificationManager notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
Intent notificationIntent = new Intent(this, GcmActivity.class);
notificationIntent.putExtra("title", messagetype);
notificationIntent.putExtra("message", msg);
PendingIntent intent = PendingIntent.getActivity(this, 0,notificationIntent, 0);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
        | Intent.FLAG_ACTIVITY_SINGLE_TOP);

NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this).setSmallIcon(R.drawable.ic_launcher)
        .setContentTitle("MY MESSENGER").setContentText("MESSAGES");
NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();
inboxStyle.setBigContentTitle("MESSAGES" + " Details");

    inboxStyle.addLine(messagetype + ":" + msg);


mBuilder.setStyle(inboxStyle);
mBuilder.setContentIntent(intent);
mBuilder.setAutoCancel(true);
notificationManager.notify(Integer.parseInt("0"), mBuilder.build());

我知道我可以通过在创建时添加任意数量的行来完成此操作

NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();  

但是，我希望在调用GCMIntentService时，将更新此列表。

我使用下面的代码尝试了这项工作，但是也没有用

 NotificationManager notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
Intent notificationIntent = new Intent(this, GcmActivity.class);
notificationIntent.putExtra("title", messagetype);
notificationIntent.putExtra("message", msg);
PendingIntent intent = PendingIntent.getActivity(this, 0,notificationIntent, 0);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
        | Intent.FLAG_ACTIVITY_SINGLE_TOP);



NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(  
        this).setAutoCancel(true)  
        .setContentTitle("MY MESSENGER")  
        .setSmallIcon(R.drawable.ic_launcher)
        .setContentText("MESSAGES");  

 NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();  

for(int j= 0; j<listMessage.size(); j++)
  inboxStyle.addLine(listMessage.get(j));  
mBuilder.setStyle(inboxStyle);
mBuilder.setContentIntent(intent);
notificationManager.notify(0, mBuilder.build());

答案

我遇到了同样的问题并通过在数据库上保留通知来加载它们来修复它，并在新的到达时加载它们，并在单击或删除时删除它们。

DatabaseHelper dbHelper = new DatabaseHelper(this);
    Cursor notifications = dbHelper.getAllNotifications();
    NotificationCompat.Builder mBuilder = extractNotifications(title, msg, contentIntent, notifications);
    dbHelper.insertNotification(title + ": " + msg);

private NotificationCompat.Builder extractNotifications(String title, String msg, PendingIntent contentIntent, Cursor notifications) {
    NotificationCompat.Builder mBuilder;
        mBuilder =
                new NotificationCompat.Builder(this)
                        .setSmallIcon(R.drawable.ic_icon)
                        .setContentTitle(title)
                        .setStyle(new NotificationCompat.BigTextStyle()
                                .bigText(NOTIFICAITONS))
                        .setContentText(msg)
                        .setAutoCancel(true)
                        .setLights(Color.WHITE, 1000, 5000)
                        .setDefaults(Notification.DEFAULT_VIBRATE |
                                Notification.DEFAULT_SOUND | Notification.DEFAULT_LIGHTS)
                        .setContentIntent(contentIntent);

        NotificationCompat.InboxStyle inboxStyle =
                new NotificationCompat.InboxStyle();

        inboxStyle.setBigContentTitle(NOTIFICAITONS);
        while (notifications.moveToNext())
        {
            inboxStyle.addLine(notifications.getString(notifications.getColumnIndex(DatabaseHelper.NOTIFICATION_MESSAGE)));
        }
        inboxStyle.addLine(title + ": " + msg);
        mBuilder.setStyle(inboxStyle);
    return mBuilder;

另一答案

您需要自己做，通过为您的通知分配自己的ID，您将能够在以后更新它。而且你需要通过连接消息来自己构建通知