Fix macOS sample (#69)

Author: jfversluis

samples/Plugin.Maui.CalendarStore.Sample/CalendarsPage.xaml.cs

@@ -21,50 +21,72 @@ public CalendarsPage(ICalendarStore calendarStore)
 
 	async void LoadCalendars_Clicked(object sender, EventArgs e)
 	{
-		await LoadCalendars();
+		try
+		{
+			await LoadCalendars();
+		}
+		catch (Exception ex)
+		{
+			await DisplayAlert("Error", ex.Message, "OK");
+		}
+		
 	}
 
 	async void CreateCalendar_Clicked(object sender, EventArgs e)
 	{
-		var createResult = await DisplayPromptAsync("Create Calendar",
-			"What do you want to name the calendar?");
-
-		if (string.IsNullOrWhiteSpace(createResult))
+		try
 		{
-			return;
-		}
+			var createResult = await DisplayPromptAsync("Create Calendar",
+				"What do you want to name the calendar?");
+
+			if (string.IsNullOrWhiteSpace(createResult))
+			{
+				return;
+			}
 
-		await calendarStore.CreateCalendar(createResult);
+			await calendarStore.CreateCalendar(createResult);
 
-		await LoadCalendars();
+			await LoadCalendars();
 
-		await DisplayAlert("Calendar Created",
-			$"Calendar \"{createResult}\" created successfully.", "OK");
+			await DisplayAlert("Calendar Created",
+				$"Calendar \"{createResult}\" created successfully.", "OK");
+		}
+		catch (Exception ex)
+		{
+			await DisplayAlert("Error", ex.Message, "OK");
+		}
 	}
 
 	async void Update_Clicked(object sender, EventArgs e)
 	{
-		if ((sender as BindableObject)?.
-			BindingContext is not Calendar calendarToUpdate)
+		try
 		{
-			await DisplayAlert("Error", "Could not determine calendar to update.", "OK");
-			return;
-		}
+			if ((sender as BindableObject)?.
+				BindingContext is not Calendar calendarToUpdate)
+			{
+				await DisplayAlert("Error", "Could not determine calendar to update.", "OK");
+				return;
+			}
 
-		var updateResult = await DisplayPromptAsync("Update Calendar",
-			"Enter the updated calendar name:", placeholder: calendarToUpdate.Name);
+			var updateResult = await DisplayPromptAsync("Update Calendar",
+				"Enter the updated calendar name:", placeholder: calendarToUpdate.Name);
 
-		if (string.IsNullOrWhiteSpace(updateResult))
-		{
-			return;
-		}
+			if (string.IsNullOrWhiteSpace(updateResult))
+			{
+				return;
+			}
 
-		await calendarStore.UpdateCalendar(calendarToUpdate.Id, updateResult);
+			await calendarStore.UpdateCalendar(calendarToUpdate.Id, updateResult);
 
-		await LoadCalendars();
+			await LoadCalendars();
 
-		await DisplayAlert("Calendar Updated",
-			$"Calendar \"{updateResult}\" updated successfully.", "OK");
+			await DisplayAlert("Calendar Updated",
+				$"Calendar \"{updateResult}\" updated successfully.", "OK");
+		}
+		catch (Exception ex)
+		{
+			await DisplayAlert("Error", ex.Message, "OK");
+		}
 	}
 
 	async void Delete_Clicked(object sender, EventArgs e)

samples/Plugin.Maui.CalendarStore.Sample/Platforms/MacCatalyst/Entitlements.plist

@@ -4,7 +4,7 @@
 <dict>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
-	<key>com.apple.security.personal-information.calendar</key>
+	<key>com.apple.security.personal-information.calendars</key>
 	<true/>
 </dict>
 </plist>

samples/Plugin.Maui.CalendarStore.Sample/Platforms/MacCatalyst/Info.plist

@@ -26,7 +26,7 @@
 	</array>
 	<key>XSAppIconAssets</key>
 	<string>Assets.xcassets/appicon.appiconset</string>
-	<key>NSCalendarsUsageDescription</key>
-	<string>This app wants to read your calendar data.</string>
+	<key>NSCalendarsFullAccessUsageDescription</key>
+	<string>This app wants to read and write your calendar data.</string>
 </dict>
 </plist>