Remove GetCurrentUapVersion function from WinAppSDK Lottie

source/Lottie/Loader.cs

@@ -25,13 +25,18 @@
 
 namespace CommunityToolkit.WinUI.Lottie
 {
+#pragma warning disable SA1303 // Constants must begin with an upper case letter.
+
     /// <summary>
     /// Handles loading a composition from a Lottie file. The result of the load
     /// is a <see cref="AnimatedVisualFactory"/> that can be used to instantiate a
     /// Composition tree that will render the Lottie.
     /// </summary>
     abstract class Loader : IDisposable
     {
+        // TODO: we do not support UAP above 14 in Lottie-Windows yet, only in LottieGen.
+        const uint c_maxContractVersion = 14u;
+
         // Identifies the bound property names in SourceMetadata.
         static readonly Guid s_propertyBindingNamesKey = new Guid("A115C46A-254C-43E6-A3C7-9DE516C3C3C8");
 
@@ -147,7 +152,13 @@ await Task.Run(() =>
                         {
                             TranslatePropertyBindings = makeColorsBindable,
                             GenerateColorBindings = makeColorsBindable,
+#if WINAPPSDK
+                            // The WindowsAppSDK has access to the latest APIs, and should not use
+                            // fallback APIs based on which OS the app is running on.
+                            TargetUapVersion = c_maxContractVersion,
+#else
                             TargetUapVersion = GetCurrentUapVersion(),
+#endif
                         });
 
                     wincompDataRootVisual = translationResult.RootVisual;
@@ -211,17 +222,13 @@ static IReadOnlyList<Issue> ToIssues(IEnumerable<(string Code, string Descriptio
         static IReadOnlyList<Issue> ToIssues(IEnumerable<TranslationIssue> issues)
             => issues.Select(issue => new Issue(code: issue.Code, description: issue.Description)).ToArray();
 
+#if !WINAPPSDK
         /// <summary>
         /// Gets the highest UAP version supported by the current process.
         /// </summary>
         /// <returns>The highest UAP version supported by the current process.</returns>
         static uint GetCurrentUapVersion()
         {
-#if WINAPPSDK
-            // The WindowsAppSDK has access to all APIs up to version 14, and should not use fallback APIs
-            // based on which OS the app is running on.
-            return 14;
-#else
             // Start testing on version 2. We know that at least version 1 is supported because
             // we are running in UAP code.
             var versionToTest = 1u;
@@ -233,13 +240,12 @@ static uint GetCurrentUapVersion()
                 versionToTest++;
             }
 
-            // TODO: we do not support UAP above 14 in Lottie-Windows yet, only in LottieGen.
-            versionToTest = Math.Min(versionToTest, 14);
+            versionToTest = Math.Min(versionToTest, c_maxContractVersion);
 
             // Query failed on versionToTest. Return the previous version.
             return versionToTest;
-#endif
         }
+#endif
 
         // Specializes the Stopwatch to do just the one thing we need of it - get the time
         // elapsed since the last call then restart the Stopwatch to start measuring again.