private void OnBackButtonTapped(object sender, object e)
{
// BUG #47: need to map back button to custom and ability to disable
if (_hostPopup != null)
{
_hostPopup.IsOpen = false;
}
// TEMP: wrapping this to ensure back button doesn't happen in snap/portrait
if (ApplicationView.Value != ApplicationViewState.Snapped)
{
SettingsPane.Show();
}
}