private void Init()
{
try
{
currencies = ConvertionService.GetCurrencies();
}
catch (WebException wex)
{
currencies = new string[] { GetText(Resource.String.no_currency_msg) };
Helper.ShowMessageDialog(this, "Error", GetText(Resource.String.network_err_msg));
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
Init();
Spinner spinner = FindViewById <Spinner>(Resource.Id.currency_spinner);
textView = FindViewById <TextView>(Resource.Id.result);
Button button = FindViewById <Button>(Resource.Id.btnConvert);
EditText editText = FindViewById <EditText>(Resource.Id.amount);
var adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleSpinnerItem, currencies);
adapter.SetDropDownViewResource(Android.Resource.Layout.SimpleSpinnerDropDownItem);
spinner.Adapter = adapter;
button.Click += (sender, eventArgs) =>
{
try
{
if (!editText.Text.Any(c => char.IsLetter(c)))
{
string curr = spinner.SelectedItem.ToString();
decimal amount = decimal.Parse(editText.Text);
string convertedValue = ConvertionService.ConvertUSD(curr, amount).ToString();
textView.SetText($"{convertedValue} {curr}", BufferType.Normal);
}
else
{
Toast.MakeText(this, GetText(Resource.String.exploit_msg), ToastLength.Long).Show();
}
}
catch (WebException)
{
Helper.ShowMessageDialog(this, "Error", GetText(Resource.String.network_err_msg));
}
catch (Exception ex)
{
Helper.ShowMessageDialog(this, "Error", GetText(Resource.String.other_error));
}
};
}