public DashWidgetView(DashSquare square)
{
RelativeLayout layout = new RelativeLayout();
var tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += (s, e) => {
EventHandler <WidgetTappedEventArgs> handler = Tapped;
handler?.Invoke(this, new WidgetTappedEventArgs(square));
};
layout.GestureRecognizers.Add(tapGestureRecognizer);
var backgroundImage = new CachedImage()
{
Source = new UriImageSource
{
CachingEnabled = true,
CacheValidity = new TimeSpan(5, 0, 0, 0),
Uri = new Uri(square.PreviewImage)
},
Aspect = Aspect.AspectFill,
InputTransparent = false,
CacheDuration = new TimeSpan(5, 0, 0, 0),
LoadingPlaceholder = "placeholder.jpg"
};
layout.Children.Add(backgroundImage,
Constraint.Constant(0),
Constraint.Constant(0),
Constraint.RelativeToParent((parent) => parent.Width),
Constraint.RelativeToParent((parent) => parent.Height));
this.Padding = new Thickness(10, 10);
Content = layout;
}
public ActionPage()
{
InitializeComponent();
NavigationPage.SetHasNavigationBar(this, false);
var returnComman = new Command(() =>
{
Navigation.PopAsync(true);
});
ImageStackLayout.GestureRecognizers.Add(new TapGestureRecognizer
{
Command = returnComman
});
RelativeLayout layout = new RelativeLayout();
var backgroundImage = new CachedImage()
{
Aspect = Aspect.AspectFit,
InputTransparent = false,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
CacheDuration = new TimeSpan(5, 0, 0, 0),
LoadingPlaceholder = "placeholder.jpg"
};
layout.Children.Add(backgroundImage,
Constraint.Constant(0),
Constraint.Constant(0),
Constraint.RelativeToParent((parent) => parent.Width),
Constraint.RelativeToParent((parent) => parent.Height));
ImageStackLayout.Children.Add(layout);
MessagingCenter.Subscribe <ActionPage, DashSquare>(this, "Hi", (page, dashSquare) =>
{
CurrentItem = dashSquare;
backgroundImage.Source = new UriImageSource
{
CachingEnabled = true,
CacheValidity = new TimeSpan(5, 0, 0, 0),
Uri = new Uri(CurrentItem.BigImage)
};
var indicator = new ActivityIndicator
{
Color = Color.FromHex("#009d48"),
BackgroundColor = Color.Transparent,
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.CenterAndExpand,
};
layout.Children.Add(indicator,
Constraint.Constant(0),
Constraint.Constant(0),
Constraint.RelativeToParent((parent) => parent.Width),
Constraint.RelativeToParent((parent) => parent.Height));
indicator.SetBinding(ActivityIndicator.IsRunningProperty, "IsLoading");
indicator.BindingContext = backgroundImage;
});
}
