Merge pull request #941 from mjmasn/fix_notification_grouping

Fix notification grouping

android/src/main/java/com/evollu/react/fcm/SendNotificationTask.java

@@ -89,10 +89,13 @@ public class SendNotificationTask extends AsyncTask<Void, Void, Void> {
                     .setVibrate(new long[]{0, DEFAULT_VIBRATION})
                     .setExtras(bundle.getBundle("data"));
 
-            if(android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){
+            if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){
                 String group = bundle.getString("group");
                 if (group != null) group = URLDecoder.decode( group, "UTF-8" );
                 notification.setGroup(group);
+                if (bundle.containsKey("groupSummary") && bundle.getBoolean("groupSummary")) {
+                    notification.setGroupSummary(true);
+                }
             }
 
             if (bundle.containsKey("ongoing") && bundle.getBoolean("ongoing")) {