ci: Add CodeQL analysis workflow configuration

.github/workflows/codeql.yml

@@ -0,0 +1,99 @@
+name: "CodeQL Advanced"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+  schedule:
+    - cron: "28 18 * * 0"
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    # Runner size impacts CodeQL analysis time. To learn more, please see:
+    #   - https://gh.io/recommended-hardware-resources-for-running-codeql
+    #   - https://gh.io/supported-runners-and-hardware-resources
+    #   - https://gh.io/using-larger-runners (GitHub.com only)
+    # Consider using larger runners or machines with greater resources for possible analysis time improvements.
+    runs-on: ${{ matrix.os }}
+    permissions:
+      # required for all workflows
+      security-events: write
+
+      # required to fetch internal or private CodeQL packs
+      packages: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - language: actions
+            build-mode: none
+            os: ubuntu-latest
+          - language: c-cpp
+            build-mode: manual
+            os: macos-latest
+          - language: java-kotlin
+            build-mode: none
+            os: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v4
+        with:
+          languages: ${{ matrix.language }}
+          build-mode: ${{ matrix.build-mode }}
+          config: |
+            paths:
+              - 'android/src/main/java/**'
+              - 'ios/Classes/**'
+              - '.github/workflows/**'
+            paths-ignore:
+              - 'example/**'
+
+      - name: Set up Flutter for headers
+        if: matrix.language == 'c-cpp'
+        uses: ./.github/actions/setup-flutter
+
+      - name: Build iOS plugin source files
+        if: matrix.language == 'c-cpp'
+        run: |
+          # Compile only the plugin's Objective-C source files
+          # CodeQL will trace these compilation commands to analyze the code
+          cd ios/Classes
+
+          # Get Flutter framework path (needed for Flutter.h imports)
+          FLUTTER_ROOT=$(flutter --version --machine | grep -o '"flutterRoot":"[^"]*' | cut -d'"' -f4)
+          FLUTTER_FRAMEWORK="$FLUTTER_ROOT/bin/cache/artifacts/engine/ios/Flutter.xcframework/ios-arm64_x86_64-simulator/Flutter.framework"
+
+          # Get the iOS SDK path
+          SDK_PATH=$(xcrun --show-sdk-path --sdk iphonesimulator)
+
+          # Compile each .m file so CodeQL can trace and analyze it
+          # We compile to object files but don't link (no need for full app build)
+          for file in *.m; do
+            clang -c "$file" \
+              -I. \
+              -I"$FLUTTER_FRAMEWORK/Headers" \
+              -I"$SDK_PATH/usr/include" \
+              -isysroot "$SDK_PATH" \
+              -arch arm64 \
+              -mios-simulator-version-min=11.0 \
+              -fobjc-arc \
+              -framework Foundation \
+              -F"$SDK_PATH/System/Library/Frameworks" \
+              -o "${file%.m}.o" 2>&1 || echo "Note: Compilation of $file had issues (expected for some files)"
+          done
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v4
+        with:
+          category: "/language:${{matrix.language}}"

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 .dart_tool/
+.gradle
 
 .packages
 .pub/

android/gradle.properties

@@ -1 +1,2 @@
 org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true