public override Dialog OnCreateDialog(Bundle savedInstanceState) { base.OnCreate(savedInstanceState); var builder = new AlertDialog.Builder(Activity); var inflater = Activity.LayoutInflater; var dialogView = inflater.Inflate(Resource.Layout.ExpenseDetailsView, null); if (dialogView != null) { editDate = dialogView.FindViewById <EditText>(Resource.Id.editExpenseDateDialog); editAmount = dialogView.FindViewById <EditText>(Resource.Id.editExpenseAmountDialog); editDetails = dialogView.FindViewById <EditText>(Resource.Id.editExpenseDetailsDialog); catText = dialogView.FindViewById <TextView>(Resource.Id.textView145); spinner = dialogView.FindViewById <Spinner>(Resource.Id.spinnerExpenseEdit); changeCatBtn = dialogView.FindViewById <Button>(Resource.Id.btnExpenseEdit); using (var db = new ExpenseManager()) { expense = db.GetItemWithChildren(id); } editDate.Text = expense.Date.ToShortDateString(); editAmount.Text = expense.Amount.ToString(); editDetails.Text = expense.Details; catText.Text = expense.Category.Name; editDate.KeyPress += EditDate_KeyPress; editAmount.KeyPress += EditAmount_KeyPress; editDetails.KeyPress += EditDetails_KeyPress; changeCatBtn.Click += ChangeCatBtn_Click; LoadSpinnerData(); spinner.ItemSelected += Spinner_ItemSelected; builder.SetView(dialogView); builder.SetPositiveButton("Zapisz zmiany", HandlePositiveButtonClick); builder.SetNeutralButton("Wróć", HandleNeutralButtonClick); builder.SetNegativeButton("Usuń", HandleNegativeButtonClick); } var dialog = builder.Create(); return(dialog); }