private void ScrollRoot_Scrolled(object sender, ScrolledEventArgs e)
{
if (isAnimating)
{
return;
}
if (e.ScrollY > ScrollMaxLimit)
{
if (HeaderView.HeightRequest <= 0)
{
isAnimating = true;
HeaderView.Animate("show", (height) =>
{
HeaderView.HeightRequest = height;
},
start: 0, end: headerContentHeight, easing: Easing.CubicIn, finished: (d, b) =>
{
isAnimating = false;
});
}
}
else
{
if (HeaderView.HeightRequest > 0)
{
isAnimating = true;
HeaderView.Animate("hide", (height) =>
{
HeaderView.HeightRequest = height;
},
start: HeaderView.HeightRequest, end: 0, easing: Easing.CubicOut, finished: (d, b) =>
{
isAnimating = false;
});
}
}
}