Release pre-built APKs (#285)

.github/workflows/apk.yaml

@@ -0,0 +1,56 @@
+name: apk
+
+on:
+  push:
+    branches:
+      - apk
+    tags:
+      - '*'
+
+  workflow_dispatch:
+
+concurrency:
+  group: apk-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: write
+
+jobs:
+  apk:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Display NDK HOME
+        shell: bash
+        run: |
+          echo "ANDROID_NDK_LATEST_HOME: ${ANDROID_NDK_LATEST_HOME}"
+          ls -lh ${ANDROID_NDK_LATEST_HOME}
+
+      - name: build APK
+        shell: bash
+        run: |
+          export ANDROID_NDK=$ANDROID_NDK_LATEST_HOME
+          ./build-apk.sh
+
+      - name: Display APK
+        shell: bash
+        run: |
+          ls -lh ./apks/
+
+      - uses: actions/upload-artifact@v2
+        with:
+          path: ./apks/*.apk
+
+      - name: Release APK
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          file: apks/*.apk