Add release workflow

Author: kuba2k2

.github/workflows/build-release-apk.yml

@@ -0,0 +1,57 @@
+name: Build APK release
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  prepare:
+    name: Prepare build environment
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          clean: false
+      - name: Set executable permissions to gradlew
+        run: chmod +x ./gradlew
+      - name: Setup JDK 11
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: '11'
+      - name: Setup Android SDK
+        uses: android-actions/setup-android@v2
+      - name: Get tag name
+        id: release
+        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
+      - name: Build APK release
+        uses: sparkfabrik/[email protected]
+        with:
+          project-path: .
+          output-path: cloudcutter-${{ steps.release.outputs.tag }}.apk
+          build-type: assemble
+      - name: Sign build artifacts
+        id: sign_app
+        uses: r0adkll/sign-android-release@v1
+        with:
+          releaseDirectory: .
+          signingKeyBase64: ${{ secrets.KEY_STORE }}
+          alias: ${{ secrets.KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_ALIAS_PASSWORD }}
+        env:
+          BUILD_TOOLS_VERSION: "30.0.2"
+      - name: Release on GitHub
+        uses: softprops/action-gh-release@v1
+        with:
+          name: ${{ steps.release.outputs.tag }}
+          files: |
+            ${{ steps.sign_app.outputs.signedReleaseFile }}
+      - name: Upload workflow artifact
+        uses: actions/upload-artifact@v2
+        with:
+          path: |
+            ${{ steps.sign_app.outputs.signedReleaseFile }}

app/build.gradle

@@ -14,8 +14,8 @@ android {
         applicationId "io.github.cloudcutter"
         minSdk 21
         targetSdk 33
-        versionCode 1
-        versionName "1.0"
+        versionCode 10
+        versionName "0.1.0"
     }
 
     buildTypes {