void UpdateIcon(ToolbarItemEx itemEx, UIBarButtonItem nativeItem)
{
itemEx.PropertyChanged -= ItemEx_PropertyChanged;
itemEx.PropertyChanged += ItemEx_PropertyChanged;
if (!itemEx.IsVisible)
{
nativeItem.Image = null;
nativeItem.Title = null;
return;
}
if (string.IsNullOrEmpty(itemEx.Resource))
{
return;
}
nativeItem.Image = SvgToUIImage.GetUIImage(itemEx.Resource, 20, 20);
nativeItem.Title = null;
nativeItem.Style = UIBarButtonItemStyle.Plain;
nativeItem.Enabled = itemEx.IsEnabled;
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
var tabbedEx = Element as TabbedPageEx;
UITabBarController tabctrl = Platform.GetRenderer(Tabbed.Children[0]).ViewController.TabBarController;
for (var i = 0; i < Tabbed.Children.Count; i++)
{
Page child = Tabbed.Children[i];
var attr = tabbedEx.TabAttributes[i];
if (child is NavigationPageEx)
{
var naviEx = child as NavigationPageEx;
naviEx.BarTextColor = tabbedEx.BarTextColor;
if (attr.BarTextColor != Xamarin.Forms.Color.Default)
{
naviEx.BarTextColor = attr.BarTextColor;
}
}
if (string.IsNullOrEmpty(attr.Resource))
{
continue;
}
var vc = Platform.GetRenderer(child).ViewController;
if (tabbedEx.IsDefaultColor && attr.IsDefaultColor)
{
var icon = SvgToUIImage.GetUIImage(attr.Resource, 30, 30);
vc.TabBarItem.Image = icon;
}
else
{
vc.TabBarItem.Title = attr.Title;
vc.TabBarItem.SetTitleTextAttributes(
new UITextAttributes {
TextColor = tabbedEx.SelectedTextColor.ToUIColor()
},
UIControlState.Selected
);
vc.TabBarItem.SetTitleTextAttributes(
new UITextAttributes {
TextColor = tabbedEx.UnSelectedTextColor.ToUIColor()
},
UIControlState.Normal
);
var selColor = attr.SelectedColor == Xamarin.Forms.Color.Default ? tabbedEx.SelectedColor : attr.SelectedColor;
var unColor = attr.UnSelectedColor == Xamarin.Forms.Color.Default ? tabbedEx.UnSelectedColor : attr.UnSelectedColor;
var icon1 = SvgToUIImage.GetUIImage(attr.Resource, 30, 30, selColor);
var icon2 = SvgToUIImage.GetUIImage(attr.Resource, 30, 30, unColor);
vc.TabBarItem.SetFinishedImages(icon1, icon2);
}
if (tabbedEx.IsTextHidden)
{
vc.TabBarItem.Title = null;
vc.TabBarItem.ImageInsets = new UIEdgeInsets(6, 0, -6, 0);
}
}
if (!tabbedEx.IsDefaultColor)
{
tabctrl.TabBar.TintColor = (Element as TabbedPageEx).SelectedTextColor.ToUIColor();
}
}