protected override async void OnAppearing() { base.OnAppearing(); try { ((App)App.Current).ResumeContactId = -1; listView.ItemsSource = await database.GetContactItemsAsync(memberID); } catch (Exception ex) { Debug.WriteLine(ex.Message); } }
async void UpdateButton_PressedAsync(object sender, EventArgs e) { try { UpdateButton.IsVisible = false; activityIndicator.IsVisible = true; activityIndicator.IsRunning = true; errorLabel.Text = "Trying to connect to server..."; errorLabel.IsVisible = true; List <Models.Member> Members = await memberManager.GetMembersAsync(); List <Models.Contact> Contacts = await memberManager.GetContactsAsync(); if (Members != null || Contacts != null) { errorLabel.Text = "Getting Data..."; var membersToDelete = await database.GetMemberItemsAsync(); database.DeleteMemberItems(membersToDelete); var contactsToDelete = await database.GetContactItemsAsync(); database.DeleteContactItems(contactsToDelete); var MyProgressBar = new ProgressBar(); MyProgressBar.WidthRequest = 150; MyProgressBar.Progress = 0.0; this.child2.Children.Add(MyProgressBar); double progress = 0.0; int count = 0; int progressCount = Members.Count; errorLabel.Text = "Saving Members to Database..."; foreach (var item in Members) { ModelsLinq.MemberSQLite modelToAdd = new ModelsLinq.MemberSQLite(); modelToAdd.MemberId = item.MemberId; modelToAdd.Surname = item.Surname; modelToAdd.FirstName = item.FirstName; modelToAdd.DateOfBirth = item.DateOfBirth; modelToAdd.Sex = item.Sex; modelToAdd.Aboriginal = item.Aboriginal; modelToAdd.StreetAddress = item.StreetAddress; modelToAdd.PostCode = item.PostCode; modelToAdd.Suburb = item.Suburb; modelToAdd.State = item.State; modelToAdd.Country = item.Country; modelToAdd.TelephoneNumber = item.TelephoneNumber; modelToAdd.MobileNumber = item.MobileNumber; modelToAdd.EmailAddress = item.EmailAddress; modelToAdd.DateAltered = item.DateAltered; modelToAdd.PictureGUID = item.PictureGUID; await database.SaveMemberItemAsync(modelToAdd); count++; progress = (double)(decimal.Divide(count, progressCount)); await MyProgressBar.ProgressTo(progress, 1, Easing.Linear); } count = 0; progressCount = Contacts.Count; errorLabel.Text = "Saving Contacts to Database..."; foreach (var item in Contacts) { ModelsLinq.ContactSQLite contactToAdd = new ModelsLinq.ContactSQLite(); contactToAdd.ContactId = item.ContactId; contactToAdd.MemberId = item.MemberId; contactToAdd.ContactType = item.ContactType; contactToAdd.ContactName = item.ContactName; contactToAdd.ContactAddress = item.ContactAddress; contactToAdd.ContactPhone = item.ContactPhone; await database.SaveContactItemAsync(contactToAdd); count++; progress = (double)(decimal.Divide(count, progressCount)); await MyProgressBar.ProgressTo(progress, 1, Easing.Linear); } activityIndicator.IsRunning = false; errorLabel.Text = "Finished Updating..."; } else { activityIndicator.IsRunning = false; activityIndicator.IsVisible = false; errorLabel.Text = "Error connecting to server..."; UpdateButton.IsVisible = true; } } catch (Exception ex) { Debug.WriteLine(ex.Message); } }