public async Task Appearing(View content, PopupPage page)
{
var taskList = new List <Task>();
if (content != null)
{
taskList.Add(content.TranslateTo(content.TranslationX, 0, Duration, EasingIn));
taskList.Add(page.ColorTo(page.BackgroundColor, Color.Black.MultiplyAlpha(0.2),
color => page.BackgroundColor = color, Duration, EasingOut));
}
;
if (_previous?.Content != null)
{
taskList.Add(_previous.Content.ScaleTo(0.96, Duration, EasingOut));
taskList.Add(_previous.Content.TranslateTo(0, -25, Duration, EasingOut));
if (content != null)
{
content.Margin = new Thickness(content.Margin.Left,
content.Margin.Top,
content.Margin.Right,
content.Margin.Bottom);
}
//taskList.Add(page.ColorTo(page.BackgroundColor, Colors.PopupBlack,
//color => page.BackgroundColor = color, Duration, EasingOut));
}
page.IsVisible = true;
await Task.WhenAll(taskList);
}
public async Task Disappearing(View content, PopupPage page)
{
var taskList = new List <Task>();
if (content != null)
{
taskList.Add(content.TranslateTo(content.TranslationX, translationHeight,
Duration, EasingOut));
taskList.Add(page.ColorTo(page.BackgroundColor, Color.Black.MultiplyAlpha(0),
color => page.BackgroundColor = color, Duration, EasingOut));
}
;
if (_previous?.Content != null)
{
if (content != null)
{
taskList.Add(_previous.Content.TranslateTo(0, 0, Duration, EasingIn));
}
taskList.Add(_previous.Content.ScaleTo(1, Duration, EasingIn));
//taskList.Add(page.ColorTo(page.BackgroundColor, Color.Transparent,
//color => page.BackgroundColor = color, Duration, EasingIn));
}
await Task.WhenAll(taskList);
}