feat: exprimental android support

Author: dsh0416

.github/workflows/build.yml

@@ -184,8 +184,78 @@ jobs:
           path: artifacts/${{ matrix.target }}
           retention-days: 30
 
+  build-android:
+    runs-on: ubuntu-latest
+    name: Android
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup mise toolchain
+        uses: jdx/mise-action@v2
+        with:
+          cache: true
+
+      - name: Cache Cargo registry and build
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: android-build-cargo-${{ hashFiles('**/Cargo.lock', 'mise.toml') }}
+          restore-keys: |
+            android-build-cargo-
+
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+            android/.gradle
+          key: android-build-gradle-${{ hashFiles('android/**/*.gradle.kts', 'mise.toml') }}
+          restore-keys: |
+            android-build-gradle-
+
+      - name: Build Android Rust libraries
+        run: mise exec -- mise run android:build-rust
+
+      - name: Build Android WebView bridge
+        run: mise exec -- mise run android:kotlin
+
+      - name: Prepare Android artifacts
+        run: |
+          CARGO_TARGET_DIR="$(cargo metadata --no-deps --format-version 1 | python -c 'import json,sys; print(json.load(sys.stdin)["target_directory"])')"
+          mkdir -p artifacts/aarch64-linux-android artifacts/x86_64-linux-android artifacts/android-webview
+          cp "$CARGO_TARGET_DIR/aarch64-linux-android/release/libgdcef.so" artifacts/aarch64-linux-android/
+          cp "$CARGO_TARGET_DIR/x86_64-linux-android/release/libgdcef.so" artifacts/x86_64-linux-android/
+          cp android/godot-cef-webview/build/outputs/aar/godot-cef-webview-debug.aar artifacts/android-webview/
+
+      - name: Upload Android ARM64 artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: gdcef-aarch64-linux-android
+          path: artifacts/aarch64-linux-android
+          retention-days: 30
+
+      - name: Upload Android x86_64 artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: gdcef-x86_64-linux-android
+          path: artifacts/x86_64-linux-android
+          retention-days: 30
+
+      - name: Upload Android WebView bridge artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: gdcef-android-webview
+          path: artifacts/android-webview
+          retention-days: 30
+
   pack:
-    needs: [build-macos, build-windows, build-linux]
+    needs: [build-macos, build-windows, build-linux, build-android]
     runs-on: ubuntu-latest
     name: Pack Addon
 

.github/workflows/test.yml

@@ -151,6 +151,44 @@ jobs:
           RUSTC_WRAPPER: sccache
         run: mise exec -- cargo clippy --workspace --all-features --target ${{ matrix.target }} -- -D warnings
 
+  android:
+    runs-on: ubuntu-latest
+    name: Android
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup mise toolchain
+        uses: jdx/mise-action@v2
+        with:
+          cache: true
+
+      - name: Cache Cargo registry and build
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: android-test-cargo-${{ hashFiles('**/Cargo.lock', 'mise.toml') }}
+          restore-keys: |
+            android-test-cargo-
+
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+            android/.gradle
+          key: android-test-gradle-${{ hashFiles('android/**/*.gradle.kts', 'mise.toml') }}
+          restore-keys: |
+            android-test-gradle-
+
+      - name: Check Android builds
+        run: mise exec -- mise run android:check
+
   fmt:
     runs-on: ubuntu-latest
     name: Format

.gitignore

@@ -4,5 +4,9 @@ target/
 node_modules/
 addons/godot_cef/bin/
 
+android/.gradle/
+android/**/build/
+android/local.properties
+
 .DS_Store
 .envrc

Cargo.lock

@@ -9,10 +9,13 @@ linux.arm64    = "bin/aarch64-unknown-linux-gnu/libgdcef.so"
 macos          = "bin/universal-apple-darwin/Godot CEF.framework"
 windows.x86_64 = "bin/x86_64-pc-windows-msvc/gdcef.dll"
 windows.arm64  = "bin/aarch64-pc-windows-msvc/gdcef.dll"
+android.arm64  = "bin/aarch64-linux-android/libgdcef.so"
+android.x86_64 = "bin/x86_64-linux-android/libgdcef.so"
 
 [icons]
 CefTexture = "icons/webview.png"
 CefIpcInspector = "icons/webview.png"
+AndroidWebViewTexture = "icons/webview.png"
 
 [dependencies]
 

addons/godot_cef/godot_cef.gdextension

@@ -0,0 +1,4 @@
+plugins {
+    id("com.android.library") version "8.7.3" apply false
+    id("org.jetbrains.kotlin.android") version "2.1.21" apply false
+}

android/build.gradle.kts

@@ -0,0 +1,26 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "io.github.dsh0416.godotcef"
+    compileSdk = 35
+
+    defaultConfig {
+        minSdk = 29
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_17)
+    }
+}