public void ToggleViewShadow(Xamarin.Forms.View view, bool isOn)
{
var renderer = view.GetRenderer();
var nativeView = renderer.NativeView;
nativeView.Layer.ShadowColor = UIColor.Black.CGColor;
nativeView.Layer.ShadowOpacity = isOn ? 1 : 0;
nativeView.Layer.ShadowOffset = isOn ? new CGSize(10, 10) : CGSize.Empty;
}
public CustomDialog(Xamarin.Forms.View content, bool _cancelable = false)
{
cancelable = _cancelable;
nativePopup = new System.Windows.Controls.Primitives.Popup();
nativePopup.VerticalOffset = 0;
nativePopup.HorizontalOffset = 0;
System.Windows.Controls.Grid wrap = new System.Windows.Controls.Grid();
var ScreenWidth = System.Windows.Application.Current.Host.Content.ActualWidth;
var ScreenHeight = System.Windows.Application.Current.Host.Content.ActualHeight;
wrap.Background = new SolidColorBrush(System.Windows.Media.Color.FromArgb(50, 50, 50, 50));
wrap.Height = XFPopupConst.SCREEN_HEIGHT;
wrap.Width = XFPopupConst.SCREEN_WIDTH;
wrap.MouseLeftButtonUp += (s, e) => {
if (cancelable)
{
nativePopup.IsOpen = false;
}
};
var boder = new Border();
boder.BorderThickness = new System.Windows.Thickness(1);
boder.Padding = new System.Windows.Thickness(5);
boder.BorderBrush = new SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 50, 50, 50));
boder.Background = new SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 255, 255, 255));
boder.VerticalAlignment = VerticalAlignment.Center;
boder.HorizontalAlignment = HorizontalAlignment.Center;
boder.Width = content.WidthRequest + 10;
boder.Height = content.HeightRequest + 10;
boder.CornerRadius = new CornerRadius(5);
var elm = (content.GetRenderer() as Panel);
elm.VerticalAlignment = VerticalAlignment.Top;
elm.HorizontalAlignment = HorizontalAlignment.Left;
boder.Child = elm;
wrap.Children.Add(boder);
nativePopup.Child = wrap;
nativePopup.IsOpen = false;
}
public void ApplyMaskToView(Xamarin.Forms.View view, ViewMaskerType maskType)
{
var renderer = view.GetRenderer();
var nativeView = renderer.NativeView;
if (maskType == ViewMaskerType.None)
{
view.SizeChanged -= OnSizeChanged;
nativeView.Layer.Mask = null;
}
else
{
var maskLayer = GetMaskShape(maskType, new Xamarin.Forms.Size(view.Width, view.Height));
maskLayer.Frame = nativeView.Bounds;
nativeView.Layer.Mask = maskLayer;
view.SizeChanged += OnSizeChanged;
}
nativeView.Tag = (int)maskType;
}
public void MonitorView(View view)
{
view.PropertyChanged += (_, propArgs) =>
{
// subscribe to UIElement events when the attached property Renderer is set
if (propArgs.PropertyName == Platform.RendererProperty.PropertyName)
{
ViewRenderer renderer = view.GetRenderer() as ViewRenderer;
// renderer.Element.BackgroundColor = Color.Red;
renderer.Hold += Control_Hold;
renderer.DoubleTap += Control_DoubleTap;
renderer.Tap += Control_Tap;
renderer.ManipulationCompleted += Control_ManipulationCompleted;
renderer.ManipulationStarted += Control_ManipulationStarted;
renderer.ManipulationDelta += Control_ManipulationDelta;
}
};
}
public IVisualElementRenderer Convert(Xamarin.Forms.View source, Xamarin.Forms.VisualElement valid)
{
//only wp allow us to get renderer directly
IVisualElementRenderer render = source.GetRenderer();
if (render == null)
{
render = RendererFactory.GetRenderer(source);
source.SetRenderer(render);
if (valid != null)
{
var p = PlatformProperty.GetValue(valid);
if (p != null)
{
PlatformProperty.SetValue(source, p);
IsPlatformEnabledProperty.SetValue(source, true);
}
}
}
return(render);
}