update senseglove libraries to v2.2.1-ca2f23d with per engine segregated android ndk support

CHANGELOG.md

@@ -9,15 +9,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Partial implementation for the Vitual Hand Model
+- Partial implementation for the Vitual Hand Model.
+- Segregate Android binaries for NDK r21e (UE 4.27 and 5.0) and r25b (UE 5.1).
 
 ### Changed
 
-- SenseGlove libraries have been updated to v2.2.0-eed9611.
+- SenseGlove libraries have been updated to v2.2.1-ca2f23d.
 
 ### Removed
 
 - Remove ~4000 archaic lines of pre-public-release dead code.
+- Drop Android NDK r21b binaries used by the older engine versions. 
 
 ## [1.1.1] - 2023-02-07
 

Source/SenseGloveConnectImpl/SenseGloveConnectImpl.Build.cs

@@ -89,6 +89,14 @@ public class SenseGloveConnectImpl : ModuleRules
 
             LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "android"));
 
+#if UE_5_1_OR_LATER
+            LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "r25b"));
+#elif UE_4_27_OR_LATER
+            LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "r21e"));
+#else
+            Debug.Assert(false, "Developing for Android on UE versions older than 4.27 is not supported!");
+#endif
+
             foreach (string Arch in Architectures)
             {
                 if (Arch == "-arm64")
@@ -213,6 +221,14 @@ public class SenseGloveConnectImpl : ModuleRules
 
             LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "android"));
 
+#if UE_5_1_OR_LATER
+            LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "r25b"));
+#elif UE_4_27_OR_LATER
+            LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "r21e"));
+#else
+            Debug.Assert(false, "Developing for Android on UE versions older than 4.27 is not supported!");
+#endif
+
             foreach (string Arch in Architectures)
             {
                 if (Arch == "-arm64")

Source/SenseGloveCoreImpl/SenseGloveCoreImpl.Build.cs

@@ -88,6 +88,14 @@ public class SenseGloveCoreImpl : ModuleRules
 
             LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "android"));
 
+#if UE_5_1_OR_LATER
+            LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "r25b"));
+#elif UE_4_27_OR_LATER
+            LibraryPath = Path.GetFullPath(Path.Combine(LibraryPath, "r21e"));
+#else
+            Debug.Assert(false, "Developing for Android on UE versions older than 4.27 is not supported!");
+#endif
+
             foreach (string Arch in Architectures)
             {
                 if (Arch == "-arm64")