/// <summary>
/// Subscribes to "AddAcquaintance" messages
/// </summary>
void SubscribeToAddAcquaintanceMessages()
{
MessagingService.Current.Subscribe <Acquaintance>(MessageKeys.AddAcquaintance, async(service, acquaintance) =>
{
IsBusy = true;
await _DataSource.AddItem(acquaintance);
await FetchAcquaintances();
IsBusy = false;
});
}
/// <summary>
/// Subscribes to "AddRecipe" messages
/// </summary>
void SubscribeToAddRecipeMessages()
{
MessagingService.Current.Subscribe <Recipe>(MessageKeys.AddRecipe, async(service, recipe) =>
{
IsBusy = true;
await _DataSource.AddItem(recipe);
await FetchRecipes();
IsBusy = false;
});
}
void Save()
{
if (string.IsNullOrWhiteSpace(_FirstNameField.Text) || string.IsNullOrWhiteSpace(_LastNameField.Text))
{
//set alert for executing the task
var alert = new Android.App.AlertDialog.Builder(this);
alert.SetTitle("Invalid name!");
alert.SetMessage("An acquaintance must have both a first and last name.");
alert.SetNegativeButton("OK", (senderAlert, args) => {
// an empty delegate body, because we just want to close the dialog and not take any other action
});
//run the alert in UI thread to display in the screen
RunOnUiThread(() => {
alert.Show();
});
return;
}
if (!RequiredAddressFieldCombinationIsFilled)
{
//set alert for executing the task
var alert = new Android.App.AlertDialog.Builder(this);
alert.SetTitle("Invalid address!");
alert.SetMessage("You must enter either a street, city, and state combination, or a postal code.");
alert.SetNegativeButton("OK", (senderAlert, args) => {
// an empty delegate body, because we just want to close the dialog and not take any other action
});
//run the alert in UI thread to display in the screen
RunOnUiThread(() => {
alert.Show();
});
return;
}
_Acquaintance.FirstName = _FirstNameField.Text;
_Acquaintance.LastName = _LastNameField.Text;
_Acquaintance.Company = _CompanyField.Text;
_Acquaintance.JobTitle = _JobTitleField.Text;
_Acquaintance.Phone = _PhoneField.Text;
_Acquaintance.Email = _EmailField.Text;
_Acquaintance.Street = _StreetField.Text;
_Acquaintance.City = _CityField.Text;
_Acquaintance.State = _StateField.Text;
_Acquaintance.PostalCode = _ZipField.Text;
if (_IsNewAcquaintance)
{
_DataSource.AddItem(_Acquaintance);
}
else
{
_DataSource.UpdateItem(_Acquaintance);
}
OnBackPressed();
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
_FirstNameField.Text = _Acquaintance?.FirstName;
_LastNameField.Text = _Acquaintance?.LastName;
_CompanyNameField.Text = _Acquaintance?.Company;
_JobTitleField.Text = _Acquaintance?.JobTitle;
_PhoneNumberField.Text = _Acquaintance?.Phone;
_EmailAddressField.Text = _Acquaintance?.Email;
_StreetField.Text = _Acquaintance?.Street;
_CityField.Text = _Acquaintance?.City;
_StateField.Text = _Acquaintance?.State;
_ZipField.Text = _Acquaintance?.PostalCode;
NavigationItem.RightBarButtonItem.Clicked += async(sender, e) =>
{
if (string.IsNullOrWhiteSpace(_FirstNameField.Text) || string.IsNullOrWhiteSpace(_LastNameField.Text))
{
UIAlertController alert = UIAlertController.Create("Invalid name!", "A acquaintance must have both a first and last name.", UIAlertControllerStyle.Alert);
// cancel button
alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
UIApplication.SharedApplication.KeyWindow.RootViewController.PresentViewController(alert, true, null);
}
else if (!RequiredAddressFieldCombinationIsFilled)
{
UIAlertController alert = UIAlertController.Create("Invalid address!", "You must enter either a street, city, and state combination, or a postal code.", UIAlertControllerStyle.Alert);
// cancel button
alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
UIApplication.SharedApplication.KeyWindow.RootViewController.PresentViewController(alert, true, null);
}
else
{
if (_Acquaintance == null)
{
_Acquaintance = new Acquaintance();
}
_Acquaintance.FirstName = _FirstNameField.Text;
_Acquaintance.LastName = _LastNameField.Text;
_Acquaintance.Company = _CompanyNameField.Text;
_Acquaintance.JobTitle = _JobTitleField.Text;
_Acquaintance.Phone = _PhoneNumberField.Text;
_Acquaintance.Email = _EmailAddressField.Text;
_Acquaintance.Street = _StreetField.Text;
_Acquaintance.City = _CityField.Text;
_Acquaintance.State = _StateField.Text;
_Acquaintance.PostalCode = _ZipField.Text;
if (_IsNew)
{
await _DataSource.AddItem(_Acquaintance);
}
else
{
await _DataSource.UpdateItem(_Acquaintance);
}
NavigationController.PopViewController(true);
}
};
}
