private async void TapGestureRecognizer_Tapped(object sender, EventArgs e) { if (!BottomStack.IsVisible) { headerImage.Source = "droparrow.png"; BottomStack.IsVisible = true; await BottomStack.TranslateTo(0, 0, 250); } else { headerImage.Source = "droparrow.png"; BottomStack.IsVisible = false; await BottomStack.TranslateTo(0, -10, 250); } }