script cleanups & gradle stub for android studio

handle the env var setting for the sdl3 aar build script

.github/workflows/ci.yml

@@ -113,11 +113,11 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: '17'
-      - name: Setup SDK (Android)
+      - name: Get CMake (Android)
         if: ${{ matrix.android }}
-        uses: android-actions/setup-android@v3
+        uses: lukka/get-cmake@latest
         with:
-          packages: 'cmake;3.30.5'
+          cmakeVersion: 3.30.5
 
       - name: Build (Android)
         if: ${{ matrix.android }}
@@ -125,12 +125,12 @@ jobs:
           cd android-project && \
           ./gradlew assembleRelease \
             --info \
-            -PcmakeArgs="-DCMAKE_BUILD_TYPE=Release 
+            -PcmakeArgs="-DCMAKE_BUILD_TYPE=Release \
               -DISLE_USE_DX5=${{ !!matrix.dx5 }} \
               -DISLE_BUILD_CONFIG=${{ !!matrix.config }} \
               -DENABLE_CLANG_TIDY=${{ !!matrix.clang-tidy  }} \
               -DISLE_WERROR=${{ !!matrix.werror }} \
-              -DISLE_DEBUG=OFF \
+              -DISLE_DEBUG=${{ matrix.debug || 'OFF' }} \
               -Werror=dev"
 
       - name: Configure (CMake)

android-project/app/build.gradle

@@ -47,6 +47,16 @@ android {
     }
 }
 
+afterEvaluate {
+    def androidPath = System.getenv("ANDROID_HOME") ?: android.sdkDirectory
+    def ndkPath = System.getenv("ANDROID_NDK_HOME") ?: android.ndkDirectory
+
+    tasks.named('compileSDL3AndroidArchive').configure {
+        environment "ANDROID_HOME", androidPath
+        environment "ANDROID_NDK_HOME", ndkPath
+    }
+}
+
 tasks.register('compileSDL3AndroidArchive', Exec) {
     def rootDir = projectDir.parentFile
     def sdl3Dir = "build/_deps/sdl3-src"
@@ -55,7 +65,7 @@ tasks.register('compileSDL3AndroidArchive', Exec) {
             "--actions android " +
             "--fast " +
             "--force " +
-            "--root='build/_deps/sdl3-src/'"
+            "--root='${sdl3Dir}'"
     def mvCommand = "mv ${sdl3Dir}/build-android/SDL3-*.aar ${projectDir}/libs/SDL3.aar"
 
     commandLine 'sh', '-c', "cd ${rootDir} && ${cmakeCommand} && ${pythonCommand} && mkdir -p ${projectDir}/libs/ && ${mvCommand}"

android-project/build.gradle

@@ -2,7 +2,3 @@ plugins {
     id 'com.android.application' version '8.7.0' apply false
     id 'com.android.library' version '8.7.0' apply false
 }
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}

settings.gradle

@@ -0,0 +1 @@
+includeBuild('android-project')