PoC for allowing developers to control the defaults

samples/CommunityToolkit.Maui.Sample/MauiProgram.cs

@@ -55,6 +55,8 @@ public static MauiApp CreateMauiApp()
 								.UseMauiCommunityToolkit(static options =>
 								{
 									options.SetShouldEnableSnackbarOnWindows(true);
+
+									options.Defaults.Popup.SetCanBeDismissedByTappingOutsideOfPopup(false);
 								})
 #else
 								.UseMauiCommunityToolkit(static options =>

src/CommunityToolkit.Maui/Options.cs

@@ -23,6 +23,34 @@ internal Options(in MauiAppBuilder builder) : this()
 	internal static bool ShouldSuppressExceptionsInBehaviors { get; private set; }
 	internal static bool ShouldEnableSnackbarOnWindows { get; private set; }
 
+	/// <summary>
+	/// 
+	/// </summary>
+	public Default Defaults { get; } = new Default();
+
+	/// <summary>
+	/// 
+	/// </summary>
+	public class Default
+	{
+		/// <summary>
+		/// 
+		/// </summary>
+		public PopupDefault Popup { get; } = new();
+
+		/// <summary>
+		/// 
+		/// </summary>
+		public class PopupDefault
+		{
+			/// <summary>
+			/// 
+			/// </summary>
+			/// <param name="canBeDismissedByTappingOutsideOfPopup"></param>
+			public void SetCanBeDismissedByTappingOutsideOfPopup(bool canBeDismissedByTappingOutsideOfPopup) => PopupDefaults.CanBeDismissedByTappingOutsideOfPopup = canBeDismissedByTappingOutsideOfPopup;
+		}
+	}
+
 	/// <summary>
 	/// Will return the <see cref="ICommunityToolkitValueConverter.DefaultConvertReturnValue"/> default value instead of throwing an exception when using <see cref="BaseConverter{TFrom,TTo}"/>.
 	/// </summary>

src/CommunityToolkit.Maui/Primitives/Defaults/PopupDefaults.shared.cs

@@ -31,4 +31,7 @@ static class PopupDefaults
 	/// Default value for <see cref="VisualElement.BackgroundColor"/> BackgroundColor 
 	/// </summary>
 	public static Color BackgroundColor { get; } = Colors.White;
+
+	public static bool CanBeDismissedByTappingOutsideOfPopup { get; internal set; } =
+		PopupDefaults.CanBeDismissedByTappingOutsideOfPopup;
 }