Cache emulator startup time

action.yml

@@ -35,6 +35,25 @@ runs:
     - name: Gradle cache
       uses: gradle/gradle-build-action@v2
 
+    - name: AVD cache
+      uses: actions/cache@v3
+      id: avd-cache
+      with:
+        path: |
+          ~/.android/avd/*
+          ~/.android/adb*
+        key: avd-${{ matrix.api-level }
+
+    - name: create AVD and generate snapshot for caching
+      if: steps.avd-cache.outputs.cache-hit != 'true'
+      uses: reactivecircus/android-emulator-runner@v2
+      with:
+        api-level: ${{ matrix.api-level }}
+        force-avd-creation: false
+        emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+        disable-animations: false
+        script: echo "Generated AVD snapshot for caching."
+
     - name: Run Unit tests
       if: ${{ inputs.unit_test == 'true' }}
       run: ./gradlew test
@@ -44,6 +63,9 @@ runs:
       uses: reactivecircus/android-emulator-runner@v2
       if: ${{ inputs.instrumented_test == 'true' }}
       with:
+        force-avd-creation: false
+        emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+        disable-animations: true
         api-level: 29
         script: ./gradlew connectedCheck