private void StartWriting(object sender, EventArgs e)
{
ImageWait.IsVisible = true;
ImageOk.IsVisible = false;
NFCController.StartPublishing(currentPosition.RoomName + "/" + currentPosition.PositionNumber, OnMessagePublished);
StartWriting_Button.BackgroundColor = Color.White;
StartWriting_Button.IsEnabled = false;
LockButtons();
}
private void OnMessagePublished(NFCTag tag)
{
ImageWait.IsVisible = false;
ImageOk.IsVisible = true;
//TagId_Label.Text = tag.TagId;
//EventId_Label.Text = tag.MeetingCode;
NFCController.StopAll();
SendRequest(tag.TagId);
//Application.Current.MainPage.DisplayAlert("Success", "Succesfully assigned tag " + tag.TagId + " to " + currentPosition.RoomName + "/" + currentPosition.PositionNumber, "Ok");
currentPosition = null;
GeneratePickerElements();
NFCController.StartListening();
}
public void StartNFCListening()
{
firstOpen = true;
NFCAvailable_Label.Text = NFCController.IsAvailable ? "NFC available" : "NFC not supportet on Your phone";
NFCAvailable_Label.TextColor = NFCController.IsAvailable? Color.Green : Color.Red;
NFCEnabled_Label.Text = NFCController.IsEnabled ? "NFC enabled" : "NFC disabled";
NFCEnabled_Label.TextColor = NFCController.IsEnabled? Color.Green : Color.Red;
TagId_Label.Text = "ID: ";
if (NFCController.IsEnabled)
{
Title_Label.TextColor = Color.Green;
NFCController.StartListening(OnMessageReceived, true);
}
ImageWait.IsVisible = true;
ImageOk.IsVisible = false;
Check_Button.IsEnabled = false;
}
private async void OnLogoutButtonClicked(object sender, EventArgs args)
{
Tuple <APIController.Response, string> logout_response = await APIController.Logout();
if (logout_response.Item1 != APIController.Response.Success)
{
LabelErrorAlert.Text = FeedbackMessages.RequestFail;
LabelErrorAlert.IsVisible = true;
Console.WriteLine("[REQUEST ERROR] " + logout_response.Item2);
return;
}
Preferences.Set("UserName", string.Empty);
Preferences.Set("UserSurname", string.Empty);
Preferences.Set("UserEmail", string.Empty);
SessionController.ClearUserData();
PasswordInput.Text = "";
await Shell.Current.GoToAsync(AppShell.Routes.StartPage);
NFCController.StopAll();
}
public void StopNFC()
{
NFCController.StopAll();
}
public async Task StartAgain()
{
await Task.Delay(100);
NFCController.StartListening(OnMessageReceived, true);
}
