protected async override void OnAppearing()
{
App.Locator.DeviceService.setStausBarLight();
var fl = firstLoad;
base.OnAppearing();
App.Locator.DeviceService.IsNeedAlertDialogToClose = true;
if (ShowPurchaseBuls)
{
TitleView.Padding = new Thickness(50, 0, 0, 0);
CancelButton.IsVisible = true;
}
if (fl)
{
await LoadWallet();
if (ShowPurchaseBuls)
{
ShowEntry(PurchaseBULEntryViews);
CancelButton.IsVisible = true;
RefreshButton.IsVisible = false;
PickerBULCurrency.Focus();
}
}
}
private void FieldCompleted(object sender, EventArgs e)
{
if (sender == EntryRecepient)
{
if (!ValidationHelper.ValidateNumber(EntryAmount.Text))
{
EntryAmount.Focus();
}
}
else if (sender == EntryAmount)
{
if (!ValidationHelper.ValidateTextField(EntryRecepient.Text))
{
EntryRecepient.FocusField();
}
}
else if (sender == EntryAmountForBUL)
{
if (PickerBULCurrency.SelectedItem == null)
{
PickerBULCurrency.Focus();
}
}
else if (sender == EntryAmountForXLM)
{
if (PickerXLMCurrency.SelectedItem == null)
{
PickerXLMCurrency.Focus();
}
}
}
private bool IsValid(SpendCurrency spendCurrency)
{
if (spendCurrency == SpendCurrency.BUL)
{
if (PickerBULCurrency.SelectedItem == null)
{
EventHandler handleCurrencyHandler = (s, e) =>
{
PickerBULCurrency.Focus(); };
ShowErrorMessage(AppResources.PleaseSelectPaymentCurrency, false, handleCurrencyHandler);
return(false);
}
if (!ValidationHelper.ValidateNumber(EntryAmountForBUL.Text))
{
EntryAmountForBUL.Focus();
return(false);
}
}
else
{
if (PickerXLMCurrency.SelectedItem == null)
{
EventHandler handleCurrencyHandler = (s, e) =>
{
PickerXLMCurrency.Focus();
};
ShowErrorMessage(AppResources.PleaseSelectPaymentCurrency, false, handleCurrencyHandler);
return(false);
}
if (!ValidationHelper.ValidateNumber(EntryAmountForXLM.Text))
{
EntryAmountForXLM.Focus();
return(false);
}
}
return(true);
}
private async void SendClicked(object sender, EventArgs e)
{
if (EntryRecepient.IsBusy)
{
return;
}
else if (recipient.Length == 0)
{
EntryRecepient.FocusField();
}
else if (IsValid())
{
Unfocus();
App.ShowLoading(true);
try
{
double amount = double.Parse(EntryAmount.Text);
var trans = await App.Locator.BridgeServiceClient.PrepareSendBuls(App.Locator.Profile.Pubkey, recipient, amount);
if (trans != null)
{
var signed = await StellarHelper.SignTransaction(App.Locator.Profile.KeyPair, trans.Transaction);
var result = await App.Locator.BridgeServiceClient.SubmitTransaction(signed);
if (result != null)
{
await ViewModel.Load();
SundBULSMainStackView.IsVisible = false;
SendBULSSuccessView.IsVisible = true;
}
}
}
catch (Exception ex)
{
EventHandler handler = (se, ee) =>
{
if (ee != null)
{
ShowEntry(PurchaseBULEntryViews);
if (PickerBULCurrency.SelectedItem == null)
{
PickerBULCurrency.Focus();
}
}
else
{
EntryAmount.Focus();
}
};
if (ex.Message == AppResources.InsufficientBULs)
{
ShowErrorMessage(AppResources.PurchaseBULs, false, handler, AppResources.Purchase);
}
else
{
ShowErrorMessage(ex.Message, false, handler);
}
}
App.ShowLoading(false);
EnableDisableButton();
}
}