public FloatingActionButtonViewModel()
{
fab = new FloatingActionButtonView()
{
ImageName = "back",
ColorNormal = Color.CadetBlue,
ColorPressed = Color.WhiteSmoke,
ColorRipple = Color.LightBlue,
Clicked = async(sender, args) =>
{
fab.Hide();
//var masterPage = pg;
await Task.Delay(1500);
fab.Show();
//await masterPage.Navigation.PushAsync(new NavigationPage(pg));
},
IsEnabled = true,
IsVisible = true,
IsPlatformEnabled = true
};
absolute = new AbsoluteLayout()
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
}
protected override void OnAppearing()
{
if (onAppearingActionElement != null)
{
onAppearingActionElement.Hide();
}
base.OnAppearing();
}
void _fixturesListView_ItemAppearing(object sender, ItemVisibilityEventArgs e)
{
if (Device.OS == TargetPlatform.Android)
{
if (e.Item == (_fixturesListView.ItemsSource as ObservableCollection <FixtureViewModel>).Last())
{
fab.Hide();
}
else
{
fab.Show();
}
}
}
async void List_ItemDisappearing(object sender, ItemVisibilityEventArgs e)
{
await Task.Run(() =>
{
var items = lv.ItemsSource as IList;
if (items != null)
{
var index = items.IndexOf(e.Item);
if (index < appearingListItemIndex)
{
Device.BeginInvokeOnMainThread(() => fab.Hide());
}
appearingListItemIndex = index;
}
});
}
// Evento al salir de esta view
protected override void OnDisappearing()
{
base.OnDisappearing();
floatingButton.Hide();
}
