protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.myButton);
EditText amountEditText = FindViewById <EditText>(Resource.Id.editTextAmount);
TextView resultTextView = FindViewById <TextView>(Resource.Id.textViewResult);
button.Click += delegate {
var input = amountEditText.Text;
try {
var conversion = CurrencyConverter.ConvertDollarsToPunds(input);
resultTextView.Text = StringLib.DollarToPunds(input, conversion);
} catch (FormatException fe) {
// Show error message
Toast.MakeText(this, StringLib.CONVERSION_ERROR_MESSAGE, ToastLength.Short).Show();
Console.WriteLine(fe);
}
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
Button.TouchUpInside += delegate {
var input = amountTextField.Text;
try {
var conversion = CurrencyConverter.ConvertDollarsToPunds(input);
resultLabel.Text = StringLib.DollarToPunds(input, conversion);
} catch (FormatException fe) {
// Show error message
var ac = UIAlertController.Create(StringLib.CONVERSION_ERROR_TITLE, StringLib.CONVERSION_ERROR_MESSAGE, UIAlertControllerStyle.Alert);
ac.AddAction(UIAlertAction.Create(StringLib.OK, UIAlertActionStyle.Default, delegate {
// This is called after the user clicked on ok. Reset input text field
amountTextField.Text = "";
}));
PresentViewController(ac, true, null);
Console.WriteLine(fe);
}
};
}