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GunBox-Android

    reLogI("Android Studio gradle scripts for GunBox project");

Prerequisites

Software

  1. Android NDK r21
  2. Android Studio 4.2
  3. C++17 compiler
  4. CMake 3.18.0 (installed externally)

Third Party Libraries

  1. FreeType 2.9.1 (or newer)
  2. SDL 2.0.10 (or newer)

Configuring the Build

  1. Put FreeType library in the directory ExternalLibraries/FreeType2
  2. Put SDL library in the directory ExternalLibraries/SDL2
  3. Clone GunBox repository next to the Android project directory, e.g. folder structure:
 |
 +- GunBox                       <--- GunBox sources
    GunBox-Android               <--- Android app project
     +- ExternalLibraries
         +- FreeType2
              +- FreeType2       <--- FreeType2 sources
              +- CMakeLists.txt
         +- SDL2
              +- SDL2            <--- SDL2 sources
              +- CMakeLists.txt 
        GunBox-Android           <--- Android project
        GunBoxProject
         +- GunBox               <--- Symlink or source files
            MakeSymlink.bat      <--- Use to create a symlink
  1. Create a symlink GunBox (or alternatively put the GunBox project source files inside) to the GunBox project source directory.

Notes

  1. To prevent SDL_main from being stripped. The libraries are compile as static and linked with:
  $<$<PLATFORM_ID:Android>:-Wl,--whole-archive>
  GunBox_Engine_main
  $<$<PLATFORM_ID:Android>:-Wl,--no-whole-archive>
  1. Deps.sdl2_LibraryDirectoryName is the directory containing the SDL2 sources
  • In SDLActivity.java modify the method onCreate as described in the overridden method in MainActivity.java.