pin ndk 28

.github/workflows/build.yml

@@ -13,6 +13,7 @@ jobs:
       KEY_PATH: ${{ github.workspace }}/apps/weblibre/key.jks
       KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
       KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
+      ANDROID_NDK_VERSION: 28.2.13676358
     permissions:
       contents: write
     steps:
@@ -37,6 +38,23 @@ jobs:
         with:
           go-version: '1.25.x'
 
+      - name: Install Android NDK
+        run: |
+          set -euo pipefail
+          set +e
+          yes | "$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager" --install "ndk;$ANDROID_NDK_VERSION"
+          sdkmanager_status=${PIPESTATUS[1]}
+          set -e
+          if [[ $sdkmanager_status -ne 0 ]]; then
+            exit "$sdkmanager_status"
+          fi
+          test -f "$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION/source.properties"
+          {
+            echo "ANDROID_NDK_HOME=$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION"
+            echo "ANDROID_NDK_ROOT=$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION"
+            echo "NDK_HOME=$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION"
+          } >> "$GITHUB_ENV"
+
       - name: Determine build type
         id: build-type
         run: |