try to offload android to sgcore/sgconnect third-party libraries and drop linux third-party libraries for earlier versions of the engine prior to 4.27

Source/SenseGloveAndroid/Private/SGAndroid/SGConnectJNI.cpp

@@ -1,215 +0,0 @@
-/**
- * @file
- *
- * @author  Mamadou Babaei <mamadou@senseglove.com>
- *
- * @section LICENSE
- *
- * (The MIT License)
- *
- * Copyright (c) 2020 - 2023 SenseGlove
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * @section DESCRIPTION
- *
- *
- */
-
-
-#include "SGAndroid/SGConnectJNI.h"
-
-#if PLATFORM_ANDROID
-#include "Android/AndroidApplication.h"
-#include "Android/AndroidJava.h"
-#endif  /* PLATFORM_ANDROID */
-
-static constexpr char SGCONNECT_JAVA_CLASS_NAME[] = "com.senseglove.sgconnect.SGConnect";
-
-int32 FSGConnectJNI::Init()
-{
-    int32 Result = -999;
-
-#if PLATFORM_ANDROID
-    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
-    if (Env)
-    {
-        jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
-        if (!Env->IsSameObject(Class, nullptr))
-        {
-            jmethodID Method = Env->GetStaticMethodID(Class, "Init", "()I");
-            if (Method)
-            {
-                Result = Env->CallStaticIntMethod(Class, Method);
-            }
-        }
-    }
-#endif  /* PLATFORM_ANDROID */
-
-    return Result;
-}
-
-int32 FSGConnectJNI::Dispose()
-{
-    int32 Result = -999;
-
-#if PLATFORM_ANDROID
-    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
-    if (Env)
-    {
-        jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
-        if (!Env->IsSameObject(Class, nullptr))
-        {
-            jmethodID Method = Env->GetStaticMethodID(Class, "Dispose", "()I");
-            if (Method)
-            {
-                Result = Env->CallStaticIntMethod(Class, Method);
-            }
-        }
-    }
-#endif  /* PLATFORM_ANDROID */
-
-    return Result;
-}
-
-FString FSGConnectJNI::GetLibraryVersion()
-{
-    FString Result;
-
-#if PLATFORM_ANDROID
-    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
-    if (Env)
-    {
-        jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
-        if (!Env->IsSameObject(Class, nullptr))
-        {
-            jmethodID Method = Env->GetStaticMethodID(Class, "GetLibraryVersion", "()Ljava/lang/String;");
-            if (Method)
-            {
-                jstring ResultJString = (jstring)Env->CallStaticObjectMethod(Class, Method);
-                const char* ResultChars = Env->GetStringUTFChars(ResultJString, nullptr);
-                Result = FString(UTF8_TO_TCHAR(ResultChars));
-                Env->ReleaseStringUTFChars(ResultJString, ResultChars);
-            }
-        }
-    }
-#endif  /* PLATFORM_ANDROID */
-
-    return Result;
-}
-
-int32 FSGConnectJNI::ActiveDevices()
-{
-    int32 Result = -999;
-
-#if PLATFORM_ANDROID
-    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
-    if (Env)
-    {
-        jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
-        if (!Env->IsSameObject(Class, nullptr))
-        {
-            jmethodID Method = Env->GetStaticMethodID(Class, "ActiveDevices", "()I");
-            if (Method)
-            {
-                Result = Env->CallStaticIntMethod(Class, Method);
-            }
-        }
-    }
-#endif  /* PLATFORM_ANDROID */
-
-    return Result;
-}
-
-FString FSGConnectJNI::GetDeviceString(const int32 DeviceAddress)
-{
-    FString Result;
-
-#if PLATFORM_ANDROID
-    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
-    if (Env)
-    {
-        jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
-        if (!Env->IsSameObject(Class, nullptr))
-        {
-            jmethodID Method = Env->GetStaticMethodID(Class, "GetDeviceString", "(I)Ljava/lang/String;");
-            if (Method)
-            {
-                jstring ResultJString = (jstring)Env->CallStaticObjectMethod(Class, Method, DeviceAddress);
-                const char* ResultChars = Env->GetStringUTFChars(ResultJString, nullptr);
-                Result = FString(UTF8_TO_TCHAR(ResultChars));
-                Env->ReleaseStringUTFChars(ResultJString, ResultChars);
-            }
-        }
-    }
-#endif  /* PLATFORM_ANDROID */
-
-    return Result;
-}
-
-FString FSGConnectJNI::GetSensorString(const int32 DeviceAddress)
-{
-    FString Result;
-
-#if PLATFORM_ANDROID
-    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
-    if (Env)
-    {
-        jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
-        if (!Env->IsSameObject(Class, nullptr))
-        {
-            jmethodID Method = Env->GetStaticMethodID(Class, "GetSensorString", "(I)Ljava/lang/String;");
-            if (Method)
-            {
-                jstring ResultJString = (jstring)Env->CallStaticObjectMethod(Class, Method, DeviceAddress);
-                const char* ResultChars = Env->GetStringUTFChars(ResultJString, nullptr);
-                Result = FString(UTF8_TO_TCHAR(ResultChars));
-                Env->ReleaseStringUTFChars(ResultJString, ResultChars);
-            }
-        }
-    }
-#endif  /* PLATFORM_ANDROID */
-
-    return Result;
-}
-
-int32 FSGConnectJNI::WriteHaptics(const int32 DeviceAddress, const FString& Haptics)
-{
-    int32 Result = -999;
-
-#if PLATFORM_ANDROID
-    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
-    if (Env)
-    {
-        jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
-        if (!Env->IsSameObject(Class, nullptr))
-        {
-            jmethodID Method = Env->GetStaticMethodID(Class, "ActiveDevices", "(ILjava/lang/String;)I");
-            if (Method)
-            {
-                jstring HapticsString = Env->NewStringUTF(TCHAR_TO_UTF8(*Haptics));
-                Result = Env->CallStaticIntMethod(Class, Method, HapticsString, DeviceAddress, HapticsString);
-                Env->DeleteLocalRef(HapticsJString);
-            }
-        }
-    }
-#endif  /* PLATFORM_ANDROID */
-
-    return Result;
-}

Source/SenseGloveAndroid/Private/SenseGloveAndroid.h

@@ -35,4 +35,4 @@
 
 #pragma once
 
-#include "CoreMinimal.h"
+#include "CoreMinimal.h"

Source/SenseGloveAndroid/Private/SenseGloveAndroidModule.cpp

@@ -35,6 +35,17 @@
 
 #include "SenseGloveAndroidModule.h"
 
+#if PLATFORM_ANDROID
+#include "Android/AndroidApplication.h"
+#include "Android/AndroidJava.h"
+#endif  /* PLATFORM_ANDROID */
+
+#if PLATFORM_ANDROID
+#include "SGConnectImpl/SGExportedFunctions.h"
+#include "SGCoreImpl/SGExportedFunctions.h"
+#include "SGInterop/SGIC_JNIEnv_Ptr.h"
+#endif  /* PLATFORM_ANDROID */
+
 #include "SGLog/SGLog.h"
 
 #define LOCTEXT_NAMESPACE "FSenseGloveAndroidModule"
@@ -42,6 +53,32 @@
 void FSenseGloveAndroidModule::StartupModule()
 {
     SGLOG("Starting up SenseGloveAndroid module...");
+
+#if PLATFORM_ANDROID
+    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
+    if (!Env)
+    {
+        SGLOG_ERROR("Failed to get the Android JNI environmnet!");
+        return;
+    }
+
+    FSGIC_JNIEnv_Ptr EnvContainer{Env};
+
+    /*ensureAlwaysMsgf(SGConnectImpl_Android_Initialize(&EnvContainer),
+        TEXT("Failed to initialize the SGConnect JNI bridge to SGConnect for Android!"));
+
+    ensureAlwaysMsgf(SGCoreImpl_Android_Initialize(&EnvContainer),
+        TEXT("Failed to initialize the SGCore JNI bridge to SGConnect for Android!"));*/
+
+    const int32 r1 = SGConnectImpl_Android_Initialize(&EnvContainer);
+    const int32 r2 = SGCoreImpl_Android_Initialize(&EnvContainer);
+
+    ensureAlwaysMsgf(r1 == 0,
+        TEXT("Failed to initialize the SGConnect JNI bridge to SGConnect for Android! Status Code: %d"), r1);
+
+    ensureAlwaysMsgf(r2 == 0,
+        TEXT("Failed to initialize the SGCore JNI bridge to SGConnect for Android! Status Code: %d"), r1);
+#endif  /* PLATFORM_ANDROID */
 }
 
 void FSenseGloveAndroidModule::PreUnloadCallback()
@@ -59,4 +96,4 @@ void FSenseGloveAndroidModule::ShutdownModule()
     SGLOG("Shutting down SenseGloveAndroid module...");
 }
 
-#undef LOCTEXT_NAMESPACE
+#undef LOCTEXT_NAMESPACE

Source/SenseGloveAndroid/Private/SenseGloveAndroidModule.h

@@ -48,4 +48,4 @@ public:
     virtual void ShutdownModule() override;
 };
 
-#undef LOCTEXT_NAMESPACE
+#undef LOCTEXT_NAMESPACE

Source/SenseGloveAndroid/SenseGloveAndroid.Build.cs

@@ -55,6 +55,9 @@ public class SenseGloveAndroid : ModuleRules
             {
                 "CoreUObject",
                 "Engine",
+                "SenseGloveConnectImpl",
+                "SenseGloveCoreImpl",
+                "SenseGloveInterop",
                 "SenseGloveLog",
             }
         );

Source/SenseGloveBuildHacks/Private/SGBuildHacks/SGInclude_Connect_Android.cpp

@@ -0,0 +1,36 @@
+/**
+ * @file
+ *
+ * @author  Mamadou Babaei <mamadou@senseglove.com>
+ *
+ * @section LICENSE
+ *
+ * (The MIT License)
+ *
+ * Copyright (c) 2020 - 2023 SenseGlove
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ *
+ */
+
+
+#include "SGBuildHacks/SGInclude_Connect_Android.h"

Source/SenseGloveBuildHacks/Private/SGBuildHacks/SGInclude_Core_Android.cpp

@@ -0,0 +1,36 @@
+/**
+ * @file
+ *
+ * @author  Mamadou Babaei <mamadou@senseglove.com>
+ *
+ * @section LICENSE
+ *
+ * (The MIT License)
+ *
+ * Copyright (c) 2020 - 2023 SenseGlove
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ *
+ */
+
+
+#include "SGBuildHacks/SGInclude_Core_Android.h"

Source/SenseGloveBuildHacks/Public/SGBuildHacks/SGInclude_Connect_Android.h

@@ -0,0 +1,44 @@
+/**
+ * @file
+ *
+ * @author  Mamadou Babaei <mamadou@senseglove.com>
+ *
+ * @section LICENSE
+ *
+ * (The MIT License)
+ *
+ * Copyright (c) 2020 - 2023 SenseGlove
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ *
+ */
+
+
+#include "HAL/Platform.h"
+
+#include "SGBuildHacks/SGUndef_TEXT.h"
+
+THIRD_PARTY_INCLUDES_START
+#include "SenseGlove/Connect/Android.hpp"
+THIRD_PARTY_INCLUDES_END
+
+#include "SGBuildHacks/SGRestore_TEXT.h"

Source/SenseGloveBuildHacks/Public/SGBuildHacks/SGInclude_Core_Android.h

@@ -0,0 +1,44 @@
+/**
+ * @file
+ *
+ * @author  Mamadou Babaei <mamadou@senseglove.com>
+ *
+ * @section LICENSE
+ *
+ * (The MIT License)
+ *
+ * Copyright (c) 2020 - 2023 SenseGlove
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ *
+ */
+
+
+#include "HAL/Platform.h"
+
+#include "SGBuildHacks/SGUndef_TEXT.h"
+
+THIRD_PARTY_INCLUDES_START
+#include "SenseGlove/Core/Android.hpp"
+THIRD_PARTY_INCLUDES_END
+
+#include "SGBuildHacks/SGRestore_TEXT.h"

Source/SenseGloveConnect/Private/SGConnect/SGConnect.cpp

@@ -35,38 +35,22 @@
 
 #include "SGConnect/SGConnect.h"
 
-#if PLATFORM_ANDROID
-#include "SGAndroid/SGConnectJNI.h"
-#endif  /* PLATFORM_ANDROID */
-
 #include "SGConnectImpl/SGExportedFunctions.h"
 #include "SGInterop/SGIC_FString.h"
 
 int32 FSGConnect::Init()
 {
-#if ! PLATFORM_ANDROID
     return SGConnect_Init();
-#else
-    return FSGConnectJNI::Init();
-#endif  /* ! PLATFORM_ANDROID */
 }
 
 int32 FSGConnect::Dispose()
 {
-#if ! PLATFORM_ANDROID
     return SGConnect_Dispose();
-#else
-    return FSGConnectJNI::Dispose();
-#endif  /* ! PLATFORM_ANDROID */
 }
 
 FString FSGConnect::GetLibraryVersion()
 {
-#if ! PLATFORM_ANDROID
     FSGIC_FString Container;
     SGConnect_GetLibraryVersion(&Container);
     return Container.String;
-#else
-    return FSGConnectJNI::GetLibraryVersion();
-#endif  /* ! PLATFORM_ANDROID */
 }

Source/SenseGloveConnectImpl/Private/SGConnectImpl/SGExportedFunctions.cpp

@@ -34,9 +34,31 @@
 
 
 #include "SGConnectImpl/SGExportedFunctions.h"
+
 #include "Templates/UnrealTemplate.h"
+
+#if PLATFORM_ANDROID
+#include "SGBuildHacks/SGInclude_Connect_Android.h"
+#endif  /* PLATFORM_ANDROID */
+
 #include "SGConnectImpl/SGConnectImpl.h"
 #include "SGInterop/SGIC_FString.h"
+#include "SGInterop/SGIC_JNIEnv_Ptr.h"
+
+/*******************************************************************************
+ * Exceptional function calls
+ ******************************************************************************/
+
+#if PLATFORM_ANDROID
+int32 SGConnectImpl_Android_Initialize(void* Env)
+{
+    return SGConnect::Android::Initialize(StaticCast<FSGIC_JNIEnv_Ptr*>(Env)->Ptr);
+}
+#endif  /* PLATFORM_ANDROID */
+
+/*******************************************************************************
+ * SGConnectImpl.h
+ ******************************************************************************/
 
 int32 SGConnect_Init()
 {

Source/SenseGloveConnectImpl/Public/SGConnectImpl/SGExportedFunctions.h

@@ -46,7 +46,7 @@
    check whether boolean type is supported by the compiler or not. */
 #include <stdbool.h>
 
-#include <CoreTypes.h>
+#include "CoreTypes.h"
 
 /* Check at compile time whether the C compiler has support for bool, true,
    and false macros. */
@@ -64,11 +64,25 @@ static_assert(__bool_true_false_are_defined, "Error: bool, true, and false are n
 extern "C" {
 #endif  /* __cplusplus */
 
-/* SGConnect.h */
+/*******************************************************************************
+ * Exceptional function calls
+ ******************************************************************************/
+
+#if PLATFORM_ANDROID
+SENSEGLOVECONNECTIMPL_PUBLIC_API int32 SGConnectImpl_Android_Initialize(void* Env);
+#endif  /* PLATFORM_ANDROID */
+
+/*******************************************************************************
+ * SGConnectImpl.h
+ ******************************************************************************/
+
 SENSEGLOVECONNECTIMPL_PUBLIC_API int32 SGConnect_Init();
 SENSEGLOVECONNECTIMPL_PUBLIC_API int32 SGConnect_Dispose();
 SENSEGLOVECONNECTIMPL_PUBLIC_API void SGConnect_GetLibraryVersion(void* OutVersion);
 
+/*******************************************************************************
+ ******************************************************************************/
+
 #if __cplusplus
 }
 #endif  /* __cplusplus */

Source/SenseGloveCore/Private/SGCore/SGDeviceList.cpp

@@ -51,17 +51,9 @@
 #include "SGInterop/SGIC_TArray_TSharedRef_FSGDeviceImpl.h"
 #include "SGInterop/SGIC_TSharedPtr_FSGDeviceImpl.h"
 
-#if PLATFORM_ANDROID
-#include "SGAndroid/SGConnectJNI.h"
-#endif  /* PLATFORM_ANDROID */
-
 int32 FSGDeviceList::ActiveDevices()
 {
-#if ! PLATFORM_ANDROID
     return SGCoreImpl_FSGDeviceListImpl_ActiveDevices();
-#else
-    return FSGConnectJNI::ActiveDevices();
-#endif  /* ! PLATFORM_ANDROID */
 }
 
 bool FSGDeviceList::SenseCommRunning()
@@ -165,50 +157,27 @@ TArray<USGDevice*> FSGDeviceList::GetDevices(UObject* Outer, const ESGDeviceType
 
 bool FSGDeviceList::GetSensorDataString(const int32 IpcIndex, const FString& IpcAddress, FString& OutString)
 {
-#if ! PLATFORM_ANDROID
     FSGIC_FString IpcAddressContainer{IpcAddress};
     FSGIC_FString OutStringContainer;
     const bool bReturn = SGCoreImpl_FSGDeviceListImpl_GetSensorDataString(
         IpcIndex, &IpcAddressContainer, &OutStringContainer);
     OutString = OutStringContainer.String;
     return bReturn;
-#else
-    FString Result = FSGConnectJNI::GetSensorString(IpcIndex);
-    if (Result.IsEmpty())
-    {
-        return false;
-    }
-    OutString = MoveTemp(Result);
-    return true;
-#endif  /* ! PLATFORM_ANDROID */
 }
 
 bool FSGDeviceList::SendHaptics(const int32 IpcIndex, const FString& IpcAddress, const FString& Commands)
 {
-#if ! PLATFORM_ANDROID
     FSGIC_FString IpcAddressContainer{IpcAddress};
     FSGIC_FString CommandsContainer{Commands};
     return SGCoreImpl_FSGDeviceListImpl_SendHaptics(IpcIndex, &IpcAddressContainer, &CommandsContainer);
-#else
-    int32 Result = FSGConnectJNI::WriteHaptics(IpcIndex, Commands);
-    if (Result <= 0)
-    {
-        return false;
-    }
-    return true;
-#endif  /* ! PLATFORM_ANDROID */
 }
 
 FString FSGDeviceList::GetDeviceStringAt(const int32 IpcIndex, const FString& IpcAddress, const int32 Index)
 {
-#if ! PLATFORM_ANDROID
     FSGIC_FString IpcAddressContainer{IpcAddress};
     FSGIC_FString OutStringContainer;
     SGCoreImpl_FSGDeviceListImpl_GetDeviceStringAt(&OutStringContainer, IpcIndex, &IpcAddressContainer, Index);
     return OutStringContainer.String;
-#else
-    return FSGConnectJNI::GetDeviceString(IpcIndex);
-#endif  /* ! PLATFORM_ANDROID */
 }
 
 FString FSGDeviceList::GetAddress(const int32 IpcIndex, const FString& IpcAddress)

Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGExportedFunctions.cpp

@@ -35,8 +35,17 @@
 
 #include "SGCoreImpl/SGExportedFunctions.h"
 
+#if PLATFORM_ANDROID
+#include "Android/AndroidApplication.h"
+#include "Android/AndroidJava.h"
+#endif  /* PLATFORM_ANDROID */
+
 #include "Templates/UnrealTemplate.h"
 
+#if PLATFORM_ANDROID
+#include "SGBuildHacks/SGInclude_Core_Android.h"
+#endif  /* PLATFORM_ANDROID */
+
 #include "SGCoreImpl/SGAnatomyImpl.h"
 #include "SGCoreImpl/SGDeviceListImpl.h"
 #include "SGCoreImpl/SGHapticGloveHandProfilesImpl.h"
@@ -98,6 +107,7 @@
 #include "SGInterop/SGIC_FString.h"
 #include "SGInterop/SGIC_FVector.h"
 #include "SGInterop/SGIC_int32_Ref.h"
+#include "SGInterop/SGIC_JNIEnv_Ptr.h"
 #include "SGInterop/SGIC_TArray_bool.h"
 #include "SGInterop/SGIC_TArray_FSGCalibrationDataPointImpl.h"
 #include "SGInterop/SGIC_TArray_float.h"
@@ -127,6 +137,17 @@
 #include "SGInterop/SGIC_TSharedPtr_FSGSenseGloveImpl.h"
 #include "SGInterop/SGIC_TSharedPtr_FSGTimedBuzzCommandImpl.h"
 
+/*******************************************************************************
+ * Exceptional function calls
+ ******************************************************************************/
+
+#if PLATFORM_ANDROID
+int32 SGCoreImpl_Android_Initialize(void* Env)
+{
+    return SGCore::Android::Initialize(StaticCast<FSGIC_JNIEnv_Ptr*>(Env)->Ptr);
+}
+#endif  /* PLATFORM_ANDROID */
+
 /*******************************************************************************
  * SGAnatomyImpl.h
  ******************************************************************************/

Source/SenseGloveCoreImpl/Public/SGCoreImpl/SGExportedFunctions.h

@@ -46,7 +46,7 @@
    check whether boolean type is supported by the compiler or not. */
 #include <stdbool.h>
 
-#include <CoreTypes.h>
+#include "CoreTypes.h"
 
 /* Check at compile time whether the C compiler has support for bool, true,
    and false macros. */
@@ -64,6 +64,14 @@ static_assert(__bool_true_false_are_defined, "Error: bool, true, and false are n
 extern "C" {
 #endif  /* __cplusplus */
 
+/*******************************************************************************
+ * Exceptional function calls
+ ******************************************************************************/
+
+#if PLATFORM_ANDROID
+SENSEGLOVECOREIMPL_PUBLIC_API int32 SGCoreImpl_Android_Initialize(void* Env);
+#endif  /* PLATFORM_ANDROID */
+
 /*******************************************************************************
  * SGAnatomyImpl.h
  ******************************************************************************/

Source/SenseGloveInterop/Private/SGInterop/SGIC_JNIEnv_Ptr.cpp

@@ -0,0 +1,36 @@
+/**
+ * @file
+ *
+ * @author  Mamadou Babaei <mamadou@senseglove.com>
+ *
+ * @section LICENSE
+ *
+ * (The MIT License)
+ *
+ * Copyright (c) 2020 - 2023 SenseGlove
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ *
+ */
+
+
+#include "SGInterop/SGIC_JNIEnv_Ptr.h"

Source/SenseGloveInterop/Public/SGInterop/SGIC_JNIEnv_Ptr.h

@@ -35,27 +35,11 @@
 
 #pragma once
 
-#include "UObject/ObjectMacros.h"
+#if PLATFORM_ANDROID
+#include "Android/AndroidJavaEnv.h"
 
-#include "SGConnectJNI.generated.h"
-
-USTRUCT()
-struct SENSEGLOVEANDROID_API FSGConnectJNI
+struct FSGIC_JNIEnv_Ptr
 {
-    GENERATED_BODY()
-
-public:
-    static int32 Init();
-
-    static int32 Dispose();
-
-    static FString GetLibraryVersion();
-
-    static int32 ActiveDevices();
-
-    static FString GetDeviceString(int32 DeviceAddress);
-
-    static FString GetSensorString(int32 DeviceAddress);
-
-    static int32 WriteHaptics(int32 DeviceAddress, const FString& Haptics);
-};
+    JNIEnv* Ptr;
+};
+#endif  /* PLATFORM_ANDROID */

Source/SenseGloveTypes/Public/SGTypes/SGCoreTypes.h

@@ -350,7 +350,7 @@ enum class ESGSenseGloveThumperCommand : uint8
     /* Turn off the thumper effects. */
     TurnOff UMETA(DisplayName = "Turn Off"),
 
-    /* A 5-second long, constant vibration. */
+    /* A 5-seconds long, constant vibration. */
     CueGameOver UMETA(DisplayName = "Cue Game Over"),
 
     /* A double-click at 100% intensity. */