initial simulator build

.gitignore

@@ -1,5 +1,6 @@
 build
 app/build
+app/.cxx
 .gradle/*
 local.properties
 # User-specific stuff

.gitmodules

@@ -2,3 +2,6 @@
 	path = app/src/main/assets/Toolkit
 	url = https://github.com/Android-Boot-Manager/Toolkit
 	branch = master
+[submodule "app/src/main/cpp/droidboot_gui"]
+	path = app/src/main/cpp/droidboot_gui
+	url = https://github.com/Android-Boot-Manager/droidboot_gui

app/build.gradle.kts

@@ -33,6 +33,11 @@ android {
         vectorDrawables {
             useSupportLibrary = true
         }
+        externalNativeBuild {
+            cmake {
+                cppFlags += ""
+            }
+        }
     }
     signingConfigs {
         register("release") {
@@ -94,6 +99,12 @@ android {
     composeOptions {
         kotlinCompilerExtensionVersion = "1.1.1"
     }
+    externalNativeBuild {
+        cmake {
+            path = file("src/main/cpp/CMakeLists.txt")
+            version = "3.22.1"
+        }
+    }
     applicationVariants.configureEach {
         tasks["merge${name.replaceFirstChar(Char::titlecase)}Assets"].dependsOn(tasks["setAssetTs"])
     }

app/src/main/cpp/CMakeLists.txt

@@ -0,0 +1,40 @@
+
+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html.
+# For more examples on how to use CMake, see https://github.com/android/ndk-samples.
+
+# Sets the minimum CMake version required for this project.
+cmake_minimum_required(VERSION 3.22.1)
+
+# Declares the project name. The project name can be accessed via ${ PROJECT_NAME},
+# Since this is the top level CMakeLists.txt, the project name is also accessible
+# with ${CMAKE_PROJECT_NAME} (both CMake variables are in-sync within the top level
+# build script scope).
+project("app")
+add_subdirectory(droidboot_gui)
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+#
+# In this top level CMakeLists.txt, ${CMAKE_PROJECT_NAME} is used to define
+# the target library name; in the sub-module's CMakeLists.txt, ${PROJECT_NAME}
+# is preferred for the same purpose.
+#
+# In order to load a library into your app from Java/Kotlin, you must call
+# System.loadLibrary() and pass the name of the library defined here;
+# for GameActivity/NativeActivity derived applications, the same library name must be
+# used in the AndroidManifest.xml file.
+add_library(${CMAKE_PROJECT_NAME} SHARED
+    # List C/C++ source files with relative paths to this CMakeLists.txt.
+    app.cpp)
+
+# Specifies libraries CMake should link to your target library. You
+# can link libraries from various origins, such as libraries defined in this
+# build script, prebuilt third-party libraries, or Android system libraries.
+target_link_libraries(${CMAKE_PROJECT_NAME}
+    # List libraries link to the target library
+    android
+    log
+	droidboot_gui)

app/src/main/cpp/app.cpp

@@ -0,0 +1,17 @@
+// Write C++ code here.
+//
+// Do not forget to dynamically load the C++ library into your application.
+//
+// For instance,
+//
+// In MainActivity.java:
+//    static {
+//       System.loadLibrary("app");
+//    }
+//
+// Or, in MainActivity.kt:
+//    companion object {
+//      init {
+//         System.loadLibrary("app")
+//      }
+//    }