public void updateAddressBook_Callback(JObject patchJsonObj) { if (stopContactScanning) { stopContactScanning = false; return; } if (patchJsonObj == null) { Thread.Sleep(1000); App.MqttManagerInstance.connect(); NetworkManager.turnOffNetworkManager = false; scanningComplete(); canGoBack = true; return; } List <ContactInfo> updatedContacts = ContactUtils.contactsMap == null ? null : AccountUtils.getContactList(patchJsonObj, ContactUtils.contactsMap, true); List <ContactInfo.DelContacts> hikeIds = null; // Code to delete the removed contacts if (ContactUtils.hike_contactsMap != null && ContactUtils.hike_contactsMap.Count != 0) { hikeIds = new List <ContactInfo.DelContacts>(ContactUtils.hike_contactsMap.Count); // This loop deletes all those contacts which are removed. foreach (string id in ContactUtils.hike_contactsMap.Keys) { ContactInfo.DelContacts dCn = new ContactInfo.DelContacts(id, ContactUtils.hike_contactsMap[id][0].Msisdn); hikeIds.Add(dCn); if (App.ViewModel.ConvMap.ContainsKey(dCn.Msisdn)) // check convlist map to remove the { try { // here we are removing name so that Msisdn will be shown instead of Name App.ViewModel.ConvMap[dCn.Msisdn].ContactName = null; } catch (Exception e) { Debug.WriteLine("REFRESH CONTACTS :: Delete contact exception " + e.StackTrace); } } else // if this contact is in favourite or pending and not in convMap update this also { ConversationListObject obj; obj = App.ViewModel.GetFav(id); if (obj == null) // this msisdn is not in favs , check in pending { obj = App.ViewModel.GetPending(id); } if (obj != null) { obj.ContactName = null; } } } } if (stopContactScanning) { stopContactScanning = false; return; } if (hikeIds != null && hikeIds.Count > 0) { /* Delete ids from hike user DB */ UsersTableUtils.deleteMultipleRows(hikeIds); // this will delete all rows in HikeUser DB that are not in Addressbook. } if (updatedContacts != null && updatedContacts.Count > 0) { UsersTableUtils.updateContacts(updatedContacts); ConversationTableUtils.updateConversation(updatedContacts); } allContactsList = UsersTableUtils.getAllContactsByGroup(); App.MqttManagerInstance.connect(); NetworkManager.turnOffNetworkManager = false; Deployment.Current.Dispatcher.BeginInvoke(() => { filteredJumpList = null; jumpList = getGroupedList(allContactsList); // this logic handles the case where hide sms contacts is there and user refreshed the list if (!hideSmsContacts) { MakeFilteredJumpList(); contactsListBox.ItemsSource = filteredJumpList; } else { contactsListBox.ItemsSource = jumpList; } progressIndicator.Hide(LayoutRoot); enableAppBar(); }); canGoBack = true; }