public static Task <JwtLoginCredentials> GetInputAsync(string title)
{
var context = GetContext();
var tcs = new TaskCompletionSource <JwtLoginCredentials>();
var result = new JwtLoginCredentials();
AlertDialog dialog = null;
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.SetTitle(title);
var viewInflated = LayoutInflater.From(context).Inflate(Resource.Layout.login_view, null, false);
var userInput = viewInflated.FindViewById <AppCompatEditText>(Resource.Id.input_user);
var passwordInput = viewInflated.FindViewById <AppCompatEditText>(Resource.Id.input_password);
builder.SetView(viewInflated);
builder.SetOnCancelListener(new DialogInterfaceOnCancelListener(() => tcs.TrySetResult(null)));
builder.SetOnDismissListener(new DialogInterfaceOnDismissListener(() => tcs.TrySetResult(null)));
builder.SetPositiveButton(Android.Resource.String.Ok, (sender, args) =>
{
result.User = userInput.Text;
result.Password = passwordInput.Text;
tcs.TrySetResult(result);
dialog.Dismiss();
});
builder.SetNegativeButton(Android.Resource.String.Cancel, (sender, args) =>
{
tcs.TrySetResult(null);
dialog.Cancel();
});
dialog = builder.Show();
return(tcs.Task);
}