From 1832692b22c424b457f011956534a4ec7a75b13e Mon Sep 17 00:00:00 2001
From: Daniele Gobbetti <daniele+github@gobbetti.name>
Date: Sat, 26 Jan 2019 16:17:51 +0100
Subject: [PATCH] Skip duplicate notification prevention for apps that do not
 populate the "when" field, like some Calendar apps.

Closes #1397
---
 .../gadgetbridge/externalevents/NotificationListener.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/NotificationListener.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/NotificationListener.java
index c11e96634..95a030fd6 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/NotificationListener.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/NotificationListener.java
@@ -363,7 +363,11 @@ public class NotificationListener extends NotificationListenerService {
         mPackageLookup.add(notificationSpec.getId(), sbn.getPackageName()); // for MUTE
 
         notificationBurstPrevention.put(source, cur_time);
-        notificationOldRepeatPrevention.put(source, notification.when);
+        if(0 != notification.when) {
+            notificationOldRepeatPrevention.put(source, notification.when);
+        }else {
+            LOG.info("This app might show old/duplicate notifications. notification.when is 0 for " + source);
+        }
 
         GBApplication.deviceService().onNotification(notificationSpec);
     }