Add GitHub Actions workflow for iOS build

.github/workflows/build-ios.yml

@@ -1,4 +1,4 @@
-name: Build iOS App
+name: Build Android App with SDL2
 
 on:
   push:
@@ -10,51 +10,80 @@ on:
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - name: Install dependencies
+      - name: Install required packages
         run: |
-          brew update
-          brew install cmake # Assuming you might need CMake for SDL2 build
+          sudo apt update
+          sudo apt install -y build-essential git wget unzip
 
-      - name: Clone SDL2 repository
+      - name: Install Android SDK and NDK
+        run: |
+          mkdir -p $HOME/android-sdk $HOME/android-ndk
+          wget https://dl.google.com/android/repository/commandlinetools-linux-6609375_latest.zip
+          unzip commandlinetools-linux-6609375_latest.zip -d $HOME/android-sdk
+          rm commandlinetools-linux-6609375_latest.zip
+          echo "export ANDROID_HOME=$HOME/android-sdk" >> $GITHUB_ENV
+          echo "export PATH=$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/platform-tools:$PATH" >> $GITHUB_ENV
+          yes | sdkmanager --sdk_root=$HOME/android-sdk "platforms;android-26" "ndk;21.4.7075529" "platform-tools" "build-tools;30.0.3"
+
+      - name: Accept licenses
+        run: yes | sdkmanager --licenses
+
+      - name: Clone SDL2 for Android
         run: |
           git clone https://github.com/libsdl-org/SDL.git
           cd SDL
-          git checkout main # or the desired branch/tag
-          echo "SDL2 repository cloned."
+          git checkout main # Or specify the desired branch/tag
 
-      - name: Build SDL2 for iOS
+      - name: Build SDL2 for Android
         run: |
-          cd SDL/Xcode-iOS
+          cd SDL/android
           ./build-sdl.sh
-          echo "SDL2 built for iOS."
-
-      - name: Verify SDL2 Installation Path
-        run: |
-          echo "SDL2 path:" $(pwd)/Xcode-iOS/build/ios/Debug-iphoneos/
-          ls Xcode-iOS/build/ios/Debug-iphoneos/include/SDL2
+          echo "SDL2 built for Android."
 
-      - name: Compile the iOS App
+      - name: Compile the Android app
         run: |
           mkdir -p build
-          SDK_PATH=$(xcrun --sdk iphoneos --show-sdk-path)
-          clang -v -o build/MyIOSApp main.c \
-            -I$(pwd)/SDL/Xcode-iOS/build/ios/Debug-iphoneos/include \
-            -L$(pwd)/SDL/Xcode-iOS/build/ios/Debug-iphoneos/lib \
+          cd build
+          $ANDROID_HOME/ndk/21.4.7075529/toolchains/llvm/prebuilt/linux-x86_64/bin/clang \
+            -o MyApp.so \
+            -I$HOME/android-sdk/ndk/21.4.7075529/sources/android/native_app_glue \
+            -I$HOME/android-sdk/ndk/21.4.7075529/sources/SDL2 \
+            ../main.c \
             -lSDL2 \
-            -framework UIKit \
-            -framework Foundation \
-            -framework CoreGraphics \
-            -isysroot $SDK_PATH \
-            -arch arm64
+            -target aarch64-linux-android21 \
+            -fPIC
+
+      - name: Build APK
+        run: |
+          cd build
+          echo "Creating Android APK..."
+          cat <<EOF > Android.mk
+          LOCAL_PATH := \$(call my-dir)
+          include \$(CLEAR_VARS)
+          LOCAL_MODULE    := MyApp
+          LOCAL_SRC_FILES := MyApp.so
+          include \$(BUILD_SHARED_LIBRARY)
+          EOF
+
+          echo "Creating Application.mk..."
+          cat <<EOF > Application.mk
+          APP_ABI := arm64-v8a
+          APP_PLATFORM := android-26
+          EOF
+
+          cd $HOME/android-sdk/ndk/21.4.7075529/build/outputs/apk
+          ndk-build NDK_PROJECT_PATH=$HOME/android-sdk/ndk/21.4.7075529/build \
+            APP_BUILD_SCRIPT=Android.mk \
+            NDK_APPLICATION_MK=Application.mk
 
       - name: Upload the build artifact
         uses: actions/upload-artifact@v3
         with:
-          name: ios-app
-          path: build/MyIOSApp
+          name: android-app
+          path: $HOME/android-sdk/ndk/21.4.7075529/build/outputs/apk/*.apk