public async Task <bool> LoadTokensFromStorageAsync()
{
var accounts = await AccountStorage.FindAccountsForServiceAsync();
if (accounts.Count < 1)
{
return(false);
}
else if (accounts.Count > 1)
{
throw new InvalidOperationException("Only single account storage supported");
}
// Set Account loaded from storage
UpdateTokensFromAccount(accounts.First());
return(true);
}