#9: try out reactivecircus emulated runner

https://github.com/marketplace/actions/android-emulator-runner#configurations

.github/workflows/android_ci.yml

@@ -3,10 +3,9 @@ name: Android CI
 on: [push]
 
 jobs:
-  build:
+  prepare:
+    name: prepare actions
     runs-on: ubuntu-latest # https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2204-Readme.md
-    env:
-      JAVA_TOOL_OPTIONS: -Xmx4g
 
     steps:
     - name: Check if PR exists or branch is main
@@ -24,6 +23,13 @@ jobs:
         echo "pr_exists_or_main_branch=$pr_exists_or_main_branch"
         echo "pr_exists_or_main_branch=$pr_exists_or_main_branch" >> "$GITHUB_OUTPUT"
 
+
+  build:
+    runs-on: ubuntu-latest
+    env:
+      JAVA_TOOL_OPTIONS: -Xmx4g
+
+    steps:
     - name: checkout source
       uses: actions/checkout@v4
       with:
@@ -36,13 +42,6 @@ jobs:
         distribution: 'temurin'
         cache: gradle
 
-    - name: Cache SonarCloud packages
-      uses: actions/cache@v4
-      with:
-        path: ~/.sonar/cache
-        key: ${{ runner.os }}-sonar
-        restore-keys: ${{ runner.os }}-sonar
-
     - name: Cache Gradle packages
       uses: actions/cache@v4
       with:
@@ -56,12 +55,22 @@ jobs:
     - name: Build with Gradle
       run: ./gradlew clean build
 
+
+  instrumented-tests:
+    runs-on: ubuntu-latest
+    if: steps.check_pr.outputs.pr_exists_or_main_branch != 0
+    needs: build
+    strategy:
+      matrix:
+        api-level: [ 27, 28, 30, 33 ]
+    env:
+      JAVA_TOOL_OPTIONS: -Xmx4g
+
+    steps:
     - name: SDKs - accept licenses
-      if: steps.check_pr.outputs.pr_exists_or_main_branch != 0
       run: /bin/bash -c "yes | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager --licenses > /dev/null"
 
     - name: Enable KVM group perms
-      if: steps.check_pr.outputs.pr_exists_or_main_branch != 0
       # https://github.blog/changelog/2023-02-23-hardware-accelerated-android-virtualization-on-actions-windows-and-linux-larger-hosted-runners/
       # Starting on February 23, 2023, Actions users of GitHub-hosted larger Linux runners will be able to make use of hardware acceleration for Android testing
       run: |
@@ -72,18 +81,32 @@ jobs:
     - name: AVD cache
       uses: actions/cache@v4
       id: avd-cache
-      if: steps.check_pr.outputs.pr_exists_or_main_branch != 0
       with:
         path: |
           ~/.android/avd/*
           ~/.android/adb*
-        key: avd-[27, 28, 30, 33]
+        key: avd-${{ matrix.api-level }}
 
     - name: Perfom instrumented tests
-      id: perform-it
-      continue-on-error: true
-      if: steps.check_pr.outputs.pr_exists_or_main_branch != 0
-      run: ./gradlew supportedSdksGroupDebugAndroidTest -Pandroid.testoptions.manageddevices.emulator.gpu="swiftshader_indirect" -Pandroid.experimental.testOptions.managedDevices.emulators.emulator.showKernelLogging=true --info --stacktrace --scan
+      uses: reactivecircus/android-emulator-runner@v2
+      with:
+        api-level: ${{ matrix.api-level }}
+        target: ${{ matrix.target }}
+        arch: x86_64
+        profile: Nexus 6
+        script: ./gradlew supportedSdksGroupDebugAndroidTest -Pandroid.testoptions.manageddevices.emulator.gpu="swiftshader_indirect" -Pandroid.experimental.testOptions.managedDevices.emulators.emulator.showKernelLogging=true --info --stacktrace --scan
+
+  quality-check:
+    runs-on: ubuntu-latest
+    needs: [build, instrumented-tests]
+
+    steps:
+    - name: Cache SonarCloud packages
+      uses: actions/cache@v4
+      with:
+        path: ~/.sonar/cache
+        key: ${{ runner.os }}-sonar
+        restore-keys: ${{ runner.os }}-sonar
 
     - name: Sonar checks
       env: