2 files changed, 73 insertions, 0 deletions
diff --git a/android-app/app/src/main/cpp/CMakeLists.txt b/android-app/app/src/main/cpp/CMakeLists.txt
new file mode 100644
index 0000000..9147ce6
--- /dev/null
+++ b/android-app/app/src/main/cpp/CMakeLists.txt
@@ -0,0 +1,59 @@
+# Sets the minimum version of CMake required to build your native library.
+# This ensures that a certain set of CMake features is available to
+# your build.
+
+cmake_minimum_required(VERSION 3.4.1)
+
+# Declares and names the project.
+project("wind_visualization_native")
+
+# Creates and names a library, sets it as either STATIC or SHARED, and
+# specifies the source files.
+# The wind_visualization_native library will be built as a shared library
+# and will include the C++ source file `native-lib.cpp`.
+add_library( # Sets the name of the library.
+             wind_visualization_native
+
+             # Sets the library as a shared library.
+             SHARED
+
+             # Provides a relative path to your source file(s).
+             native-lib.cpp ) # Corrected path
+
+# Searches for a prebuilt static library called 'maplibre' which contains the
+# MapLibre GL Native custom layer host implementation. This library is usually
+# provided by the MapLibre Android SDK.
+find_library( # Sets the name of the path variable.
+              maplibre-gl-lib
+
+              # Specifies the name of the NDK library that
+              # CMake should locate.
+              maplibre ) # Searching for libmaplibre.so
+
+# Searches for the Android log library.
+find_library( # Sets the name of the path variable.
+              log-lib
+
+              # Specifies the name of the NDK library that
+              # CMake should locate.
+              log )
+
+# Specifies paths to the header files of a library.
+# For example, the MapLibre GL Native SDK headers might be in a
+# directory like 'src/main/cpp/maplibre-gl-native-headers'.
+# You would add that path here.
+# For now, let's just assume we will need JNI headers.
+target_include_directories(wind_visualization_native PUBLIC
+                           ${CMAKE_CURRENT_SOURCE_DIR}
+                           # Add JNI specific include directories if needed, typically handled by Android Gradle Plugin
+                           )
+
+# Specifies libraries that CMake should link to your target library.
+# This includes the MapLibre GL Native library and the logging library.
+target_link_libraries( # Specifies the target library.
+                       wind_visualization_native
+
+                       # Links the target library to the log library
+                       # included in the NDK.
+                       ${maplibre-gl-lib}
+                       ${log-lib} )
diff --git a/android-app/app/src/main/cpp/native-lib.cpp b/android-app/app/src/main/cpp/native-lib.cpp
new file mode 100644
index 0000000..f606a41
--- /dev/null
+++ b/android-app/app/src/main/cpp/native-lib.cpp
@@ -0,0 +1,14 @@
+#include <jni.h>
+#include <string>
+#include <android/log.h>
+
+#define TAG "WindVisualizationNative"
+
+extern "C" JNIEXPORT jstring JNICALL
+Java_org_terst_nav_MainActivity_stringFromJNI(
+        JNIEnv* env,
+        jobject /* this */) {
+    std::string hello = "Hello from C++";
+    __android_log_print(ANDROID_LOG_INFO, TAG, "stringFromJNI called!");
+    return env->NewStringUTF(hello.c_str());
+}