private async void CreateClick(Object sender, EventArgs e) { if (ValidateData()) { iTrip.distance = distanceValue; iTrip.duration = durationValue; iTrip.cost = Double.Parse(txtviewCost.Text.ToString().Substring(2, txtviewCost.Text.ToString().Length - 2), System.Globalization.CultureInfo.InvariantCulture); iTrip.distanceStr = txtviewDistance.Text.ToString(); iTrip.durationStr = txtviewDuration.Text.ToString(); iTrip.costStr = txtviewCost.Text.ToString(); // Assign user input and request POST to REST API iTrip.arriveTime = onTimeSet.ToString(); iTrip.days = tvDay.Text.ToString(); if (switchFemaleOnly.Checked) { iTrip.femaleOnly = "Yes"; } else { iTrip.femaleOnly = "No"; } TripDriver tripDriver; TripPassenger tripPassenger; progress.SetMessage("Creating trip..."); RunOnUiThread(() => { progress.Show(); }); if (iMember.type.Equals("Driver")) { tripDriver = new TripDriver(iTrip); tripDriver.DriverID = iMember.MemberID; tripDriver.availableSeat = int.Parse(spinnerSeat.SelectedItem.ToString()); var json = JsonConvert.SerializeObject(tripDriver); await RESTClient.CreateTripDriverAsync(this, tripDriver); } else { tripPassenger = new TripPassenger(iTrip); tripPassenger.PassengerID = iMember.MemberID; var json = JsonConvert.SerializeObject(tripPassenger); await RESTClient.CreateTripPassengerAsync(this, tripPassenger); } RunOnUiThread(() => { progress.Dismiss(); }); Intent intent = new Intent(this, typeof(MainActivity)); intent.SetFlags(ActivityFlags.NewTask | ActivityFlags.ClearTask); StartActivity(intent); Finish(); } }