public override Task Disappearing(View content, PopupPage page)
{
if (!page.IsBackgroundAnimating)
{
return(null);
}
TaskCompletionSource <bool> task = new TaskCompletionSource <bool>();
page.Animate("backgroundFade", d =>
{
page.BackgroundColor = GetColor(d);
}, _backgroundColor.A, 0, length: BackgroundTime, finished: (d, b) =>
{
task.SetResult(true);
});
return(task.Task);
}
public override Task Appearing(View content, PopupPage page)
{
if (HasBackgroundAnimation && page.BackgroundImageSource == null)
{
TaskCompletionSource <bool> task = new TaskCompletionSource <bool>();
page.Animate("backgroundFade", d =>
{
page.BackgroundColor = GetColor(d);
}, 0, _backgroundColor.A, length: DurationIn, finished: (d, b) =>
{
task.SetResult(true);
});
return(task.Task);
}
return(Task.FromResult(0));
}