async void OnDeleteButtonClicked(object sender, EventArgs e)
{
if (adminAuth.Username != null && adminAuth.Password != null)
{
var answer = await DisplayAlert("Delete", "Are you sure you want to delete the option?", "Yes", "No");
Button deleteButton = (Button)sender;
string optionID = deleteButton.StyleId;
if (answer)
{
//If user confirm to delete the option, send the HTTP request
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostDeleteOption(adminAuth.Username, adminAuth.Password, optionID));
string httpResult = httpTask.ToString();
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
if (httpResult == "Poll option successfully deleted!")
{
await DisplayAlert("Success", "Poll option has been successfully deleted!", "OK");
var page = App.Current.MainPage as rootPage;
var pollPage = new pollPage();
page.changePage(pollPage);
}
else
{
await DisplayAlert("Failed", httpResult, "OK");
}
}
}
}
