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 public class Converter : IValueConverter
{
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return !(bool)value;
        }
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return !(bool)value;
        }

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 <ContentView.Content>
   <StackLayout VerticalOptions="Center" HorizontalOptions="Center">
       <Image Source="empty.png"/>
       <Label Text="There is nothing in here." FontSize="Medium" TextColor="{DynamicResource TextColorLight}"/>
   </StackLayout>
</ContentView.Content>

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<dict>
	<key>CFBundleIcons</key>
	<dict>
		<key>CFBundleAlternateIcons</key>
		<dict>
			<key>apple</key>
			<dict>
				<key>CFBundleIconFiles</key>
				<array>
					<string>apple</string>

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[assembly: Dependency(typeof(ChangeIconService))]
namespace XamarinFormsChangeIcon.iOS.Helpers
{
    public class ChangeIconService : IChangeIconService
    {
        NSError error = new NSError();

        public ChangeIconService()
        {
        }

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<StackLayout VerticalOptions="Center">
        <renderers:CustomPicker DoneButtonText="My Custom Done Text" CancelButtonText="My Custom Cancel Text" />
        <renderers:CustomPicker DoneButtonText="My Other Custom Done Text" CancelButtonText="My Other Custom Cancel Text"/>
</StackLayout>

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public class CustomPickerRenderer : PickerRenderer
    {
        protected override void OnElementChanged(ElementChangedEventArgs<Picker> e)
        {
            base.OnElementChanged(e);
            if (e.NewElement == null) return;
            var customPicker = e.NewElement as CustomPicker;
            if (Control == null)
            {
                SetNativeControl(new UITextField

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public class CustomPickerRenderer : PickerRenderer
    {
        AlertDialog _dialog;
        IElementController ElementController => Element as IElementController;
        CustomPicker customPicker;
        public CustomPickerRenderer(Context context) : base(context)
        {
        }

        protected override void OnElementChanged(ElementChangedEventArgs<Picker> e)

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public class CustomPicker : Picker
    {
        public string DoneButtonText
        {
            get
            {
                return (string)GetValue(DoneButtonTextProperty);
            }
            set
            {

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{
  "IsEncrypted": false,
  "Values": {
    "AzureWebJobsStorage": "UseDevelopmentStorage=true",
    "AzureWebJobsDashboard": "UseDevelopmentStorage=true"
  },
  "ConnectionStrings": {
    "MyConnectionString": "<sqlclient-connection-string>"
  }
}

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using System;
using System.Configuration;
using System.Data.SqlClient;
using System.Threading.Tasks;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Host;

namespace MyFunctionApp
{
    public static class DeactivateSomething