async void onSubmitButtonClicked(object sender, EventArgs e)
{
if (userAnswer != "")
{
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
string jsonsurvey = JsonConvert.SerializeObject(survey);
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostSurveyAnswers(jsonsurvey, userSession.username));
while (httpTask == null)
{
httpTask = await Task.Run <string>(() => HttpRequestHandler.PostSurveyAnswers(jsonsurvey, userSession.username));
}
string httpResult = httpTask.ToString();
if (httpTask != null)
{
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
if (httpResult == "Successfully submitted survey. Thank you for participating!")
{
await DisplayAlert("Success", "Successfully submitted survey. Thank you for participating!", "OK");
}
else
{
await DisplayAlert("Error", httpResult, "OK");
}
var page = App.Current.MainPage as rootPage;
var surveyList = new surveyList();
page.changePage(surveyList);
}
}
else
{
await DisplayAlert("Error", "Please select an answer", "OK");
}
}
