CI: add Android build systems

.ci/scripts/android/build.sh

@@ -0,0 +1,12 @@
+#!/bin/bash -ex
+
+export NDK_CCACHE="$(which ccache)"
+ccache -s
+
+BUILD_FLAVOR=mainline
+
+cd src/android
+chmod +x ./gradlew
+./gradlew "assemble${BUILD_FLAVOR}Release" "bundle${BUILD_FLAVOR}Release"
+
+ccache -s

.ci/scripts/android/upload.sh

@@ -0,0 +1,24 @@
+#!/bin/bash -ex
+
+. ./.ci/scripts/common/pre-upload.sh
+
+REV_NAME="yuzu-${GITDATE}-${GITREV}"
+
+BUILD_FLAVOR=mainline
+
+cp src/android/app/build/outputs/apk/"${BUILD_FLAVOR}/release/app-${BUILD_FLAVOR}-release.apk" \
+  "artifacts/${REV_NAME}.apk"
+cp src/android/app/build/outputs/bundle/"${BUILD_FLAVOR}Release"/"app-${BUILD_FLAVOR}-release.aab" \
+  "artifacts/${REV_NAME}.aab"
+
+if [ -n "${ANDROID_KEYSTORE_B64}" ]
+then
+  echo "Signing apk..."
+  base64 --decode <<< "${ANDROID_KEYSTORE_B64}" > ks.jks
+
+  apksigner sign --ks ks.jks \
+    --ks-key-alias "${ANDROID_KEY_ALIAS}" \
+    --ks-pass env:ANDROID_KEYSTORE_PASS "artifacts/${REV_NAME}.apk"
+else
+  echo "No keystore specified, not signing the APK files."
+fi

.github/workflows/verify.yml

@@ -122,3 +122,41 @@ jobs:
         with:
           name: ${{ env.INDIVIDUAL_EXE }}
           path: ${{ env.INDIVIDUAL_EXE }}
+  android:
+    runs-on: ubuntu-latest
+    needs: format
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+      - name: Set up cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+            ~/.ccache
+          key: ${{ runner.os }}-android-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-android-
+      - name: Query tag name
+        uses: little-core-labs/get-git-tag@v3.0.2
+        id: tagName
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y ccache apksigner glslang-dev glslang-tools
+          git -C ./externals/vcpkg/ fetch --all --unshallow
+      - name: Build
+        run: ./.ci/scripts/android/build.sh
+      - name: Copy and sign artifacts
+        env:
+          ANDROID_KEYSTORE_B64: ${{ secrets.ANDROID_KEYSTORE_B64 }}
+          ANDROID_KEY_ALIAS: ${{ secrets.ANDROID_KEY_ALIAS }}
+          ANDROID_KEYSTORE_PASS: ${{ secrets.ANDROID_KEYSTORE_PASS }}
+        run: ./.ci/scripts/android/upload.sh
+      - name: Upload
+        uses: actions/upload-artifact@v3
+        with:
+          name: android
+          path: artifacts/