public override void Cleanup()
{
ExchangeRateDetail = null;
if (ExchangeRates != null)
{
ExchangeRates.Cleanup();
}
base.Cleanup();
}
private async void LoadData()
{
ShowProgressBar = true;
//since Xamarin.Forms 2.4 must be this otherwise selected ExchangeRateDetail not change after refresh
ExchangeRateDetail = null;
_mainModel.ExchangeRates = await _bitcoinDataService.GetExchangeRatesAsync();
ExchangeRates = await LoadExchangeRatesViewModel(_mainModel.ExchangeRates);
ShowProgressBar = false;
Messenger.Default.Send <ExchangeRatesLoadedMessage>(new ExchangeRatesLoadedMessage());
}
