private void AppLayout_OffsetChanged(object sender, AppBarLayout.OffsetChangedEventArgs e)
{
int maxScroll = e.AppBarLayout.TotalScrollRange;
double percentage = (double)System.Math.Abs(e.VerticalOffset) / (double)maxScroll;
HandleAlphaOnTitle(percentage);
HandleToolbarTitleVisibility(percentage);
}
private void AppBarLayout_OffsetChanged(object sender, AppBarLayout.OffsetChangedEventArgs e)
{
int scrollRange = -1;
if (scrollRange == -1)
{
scrollRange = _appBarLayout.TotalScrollRange;
}
if (scrollRange + e.VerticalOffset == 0)
{
this._collapsingToolbar.SetTitle(GetString(Resource.String.app_name));
}
else
{
this._collapsingToolbar.SetTitle(" ");
}
}
private void AppBarLayout_OffsetChanged(object sender, AppBarLayout.OffsetChangedEventArgs e)
{
bool isShow = false;
int scrollRange = -1;
if (scrollRange == -1) scrollRange = _appBarLayout.TotalScrollRange;
if (scrollRange + e.VerticalOffset == 0)
{
this._collapsingToolbar.SetTitle(GetString(Resource.String.ApplicationName));
isShow = true;
}
else
{
this._collapsingToolbar.SetTitle(" ");
isShow = false;
}
}
private void OnToolbarOffsetChanged(object sender, AppBarLayout.OffsetChangedEventArgs e)
{
ViewCompat.SetElevation(_toolbar, BitmapUtils.DpToPixel(2, Resources));
}
