ADD github actions v2

.github/workflows/_prepare.yml

@@ -0,0 +1,46 @@
+name: Preparation
+on:
+  workflow_call: # workflow_call means it will be invoked by another workflow and can't be executed on its own
+    name:
+      description: "Preparation"
+      default: "Preparations for all our builds"
+
+jobs:
+  build:
+    runs-on: [ self-hosted, macOS ] # we host on our own mac mini, it's twice as fast as hosting on github
+    permissions:
+      packages: read
+      contents: read
+
+    steps:
+      - name: Checking out branch
+        uses: actions/checkout@v3
+
+      - name: Setup Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: "corretto"
+          java-version: "21" # keep the same as your Android Studio version
+          cache: "gradle"
+
+      - name: Setup Android SDK
+        uses: android-actions/[email protected]
+
+      - name: Update version code # we increase the version code with each build
+        uses: chkfung/[email protected]
+        with:
+          gradlePath: app/build.gradle
+          versionCode: ${{ github.run_number }}
+
+      # This will decode the keystore from base 64 text representation that we have stored in secrets
+      # and generates and keystore file and gets stored in /android-app path
+      - name: Decode Keystore
+        env:
+          ENCODED_STRING: ${{ secrets.KEYSTORE_BASE_64 }}
+          RELEASE_KEYSTORE_PASSWORD: ${{ secrets.RELEASE_KEYSTORE_PASSWORD }}
+          RELEASE_KEYSTORE_ALIAS: ${{ secrets.RELEASE_KEYSTORE_ALIAS }}
+          RELEASE_KEY_PASSWORD: ${{ secrets.RELEASE_KEY_PASSWORD }}
+
+        run: |
+          echo $ENCODED_STRING > keystore-b64.txt
+          base64 -d keystore-b64.txt > upload_keystore.jks

.github/workflows/release.yml

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+name: Release Build
+# Preparation steps that can be used in other steps and workflows.
+on:
+  workflow_dispatch:
+    inputs:
+      name:
+        description: "Release-Build"
+        default: "Generate release build"
+
+jobs:
+  uses: ./.github/workflows/_prepare.yml
+  build:
+    runs-on: [ self-hosted, macOS ] # we host on our own mac mini, it's twice as fast
+
+    steps:
+      - name: Build Release bundle
+        env:
+          RELEASE_KEYSTORE_PASSWORD: ${{ secrets.RELEASE_KEYSTORE_PASSWORD }}
+          RELEASE_KEYSTORE_ALIAS: ${{ secrets.RELEASE_KEYSTORE_ALIAS }}
+          RELEASE_KEY_PASSWORD: ${{ secrets.RELEASE_KEY_PASSWORD }}
+        run: ./gradlew bundleRelease --stacktrace
+
+      - name: Get release file aab path
+        id: releaseAab
+        run: echo "aabfile=$(find app/build/outputs/bundle/release/*.aab)" >> $GITHUB_OUTPUT
+
+      - name: Get release file apk path
+        id: releaseApk
+        run: echo "apkfile=$(find app/build/outputs/apk/release/*.apk)" >> $GITHUB_OUTPUT
+
+      - name: Upload Release Build to Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: release-artifacts
+          path: ${{ steps.releaseApk.outputs.apkfile }}
+
+      - name: Upload Release Build to Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: release-artifacts
+          path: ${{ steps.releaseApk.outputs.aabfile }}