public MaterialTabViewItemTemplate()
{
_visualFeedback = new VisualFeedbackEffect();
Effects.Add(_visualFeedback);
RowSpacing = 0;
HorizontalOptions = LayoutOptions.FillAndExpand;
VerticalOptions = LayoutOptions.FillAndExpand;
RowDefinitions.Add(new RowDefinition {
Height = GridLength.Star
});
RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
_icon = new Image
{
Aspect = Aspect.AspectFit,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Margin = new Thickness(0, 6)
};
_text = new Label
{
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Margin = new Thickness(0, 6)
};
_badge = new BadgeView
{
PlacementTarget = _icon,
Margin = new Thickness(0)
};
Children.Add(_icon);
Children.Add(_text);
Children.Add(_badge);
SetRow(_icon, 0);
SetRow(_text, 1);
SetRow(_badge, 0);
SetRowSpan(_badge, 2);
}
public WindowsTabViewItemTemplate()
{
RowSpacing = 0;
HorizontalOptions = LayoutOptions.FillAndExpand;
VerticalOptions = LayoutOptions.FillAndExpand;
RowDefinitions.Add(new RowDefinition {
Height = GridLength.Star
});
RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
_icon = new Image
{
Aspect = Aspect.AspectFit,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Margin = new Thickness(0, 6, 0, 0)
};
_text = new Label
{
FontSize = Device.GetNamedSize(NamedSize.Small, typeof(Label)),
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Margin = new Thickness(0, 6)
};
_badge = new BadgeView
{
HeightRequest = 20,
WidthRequest = 20,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Start
};
Children.Add(_icon);
Children.Add(_text);
Children.Add(_badge);
SetRow(_icon, 0);
SetRow(_text, 1);
SetRow(_badge, 0);
SetRowSpan(_badge, 2);
}
public Task OnDisappering(BadgeView badgeView)
{
if (_translationY == null)
{
_translationY = badgeView.TranslationY;
}
var tcs = new TaskCompletionSource <bool>();
var disapperingAnimation = new Animation();
disapperingAnimation.WithConcurrent(
(f) => badgeView.Opacity = f,
1, 0);
disapperingAnimation.WithConcurrent(
(f) => badgeView.TranslationY = f,
_translationY.Value, _translationY.Value + Offset);
disapperingAnimation.Commit(badgeView, nameof(OnAppearing), length: AnimationLength,
finished: (v, t) => tcs.SetResult(true));
return(tcs.Task);
}
