use delegating shard tasks for connectedCheck

.github/actions/gradle-task/action.yml

@@ -41,6 +41,18 @@ runs :
         cache-read-only : false
         gradle-home-cache-cleanup : true
 
+    # Calculate all the hashes for keys just one time.
+    # These should only be referenced before the actual task action, since that action
+    # may generate changes and we want the final cache key to reflect its current state.
+    - name : Calculate hashes
+      id : hashes
+      shell: bash
+      run : |
+        echo "lib_versions=${{ hashFiles('**/libs.versions.toml') }}" >> $GITHUB_OUTPUT
+        echo "gradle_props=${{ hashFiles('**/gradle.properties') }}" >> $GITHUB_OUTPUT
+        echo "gradle_kts=${{ hashFiles('**/*.gradle.kts') }}" >> $GITHUB_OUTPUT
+        echo "src_kt=${{ hashFiles('**/src/**/*.kt') }}" >> $GITHUB_OUTPUT
+
     # Attempt to restore from the write-cache-key, or fall back to a partial match for the write key.
     # Skipped if the write-cache-key wasn't set.
     # This step's "cache_hit" output will only be true if an exact match was found.
@@ -51,9 +63,15 @@ runs :
       with :
         path : |
           ~/.gradle/caches/build-cache-1
-          ./**/build/**
-        key : ${{runner.os}}-${{inputs.write-cache-key}}-${{hashFiles('**/*.gradle.kt*')}}-${{hashFiles('**/libs.versions.toml')}}-${{hashFiles('**/gradle.properties')}}
-        restore-keys : ${{runner.os}}-${{inputs.write-cache-key}}
+          ~/.konan
+          ./**/build
+          ./**/.gradle
+        key : ${{runner.os}}-${{inputs.write-cache-key}}-${{steps.hashes.outputs.lib_versions}}-${{steps.hashes.outputs.gradle_props}}-${{steps.hashes.outputs.gradle_kts}}-${{steps.hashes.outputs.src_kt}}
+        restore-keys : |
+          ${{runner.os}}-${{inputs.write-cache-key}}-${{steps.hashes.outputs.lib_versions}}-${{steps.hashes.outputs.gradle_props}}-${{steps.hashes.outputs.gradle_kts}}
+          ${{runner.os}}-${{inputs.write-cache-key}}-${{steps.hashes.outputs.lib_versions}}-${{steps.hashes.outputs.gradle_props}}
+          ${{runner.os}}-${{inputs.write-cache-key}}-${{steps.hashes.outputs.lib_versions}}
+          ${{runner.os}}-${{inputs.write-cache-key}}
 
     # Attempt to restore from the restore-cache-key, or fall back to a partial match for the restore key.
     # Skipped if the restore-cache-key wasn't set, or if the write-cache-key restore had an exact match.
@@ -63,9 +81,15 @@ runs :
       with :
         path : |
           ~/.gradle/caches/build-cache-1
-          ./**/build/**
-        key : ${{runner.os}}-${{inputs.restore-cache-key}}-${{hashFiles('**/*.gradle.kt*')}}-${{hashFiles('**/libs.versions.toml')}}-${{hashFiles('**/gradle.properties')}}
-        restore-keys : ${{runner.os}}-${{inputs.restore-cache-key}}
+          ~/.konan
+          ./**/build
+          ./**/.gradle
+        key : ${{runner.os}}-${{inputs.restore-cache-key}}-${{steps.hashes.outputs.lib_versions}}-${{steps.hashes.outputs.gradle_props}}-${{steps.hashes.outputs.gradle_kts}}-${{steps.hashes.outputs.src_kt}}
+        restore-keys : |
+          ${{runner.os}}-${{inputs.restore-cache-key}}-${{steps.hashes.outputs.lib_versions}}-${{steps.hashes.outputs.gradle_props}}-${{steps.hashes.outputs.gradle_kts}}
+          ${{runner.os}}-${{inputs.restore-cache-key}}-${{steps.hashes.outputs.lib_versions}}-${{steps.hashes.outputs.gradle_props}}
+          ${{runner.os}}-${{inputs.restore-cache-key}}-${{steps.hashes.outputs.lib_versions}}
+          ${{runner.os}}-${{inputs.restore-cache-key}}
 
     - uses : gradle/wrapper-validation-action@v1
 
@@ -92,8 +116,10 @@ runs :
       with :
         path : |
           ~/.gradle/caches/build-cache-1
-          ./**/build/**
-        key : ${{runner.os}}-${{inputs.write-cache-key}}-${{hashFiles('**/*.gradle.kt*')}}-${{hashFiles('**/libs.versions.toml')}}-${{hashFiles('**/gradle.properties')}}
+          ~/.konan
+          ./**/build
+          ./**/.gradle
+        key : ${{runner.os}}-${{inputs.write-cache-key}}-${{hashFiles('**/libs.versions.toml')}}-${{hashFiles('**/gradle.properties')}}-${{hashFiles('**/*.gradle.kts')}}-${{hashFiles('**/src/**/*.kt')}}
 
     - name : Upload heap dump
       if : failure()

.github/actions/gradle-tasks-with-emulator/action.yml

@@ -0,0 +1,88 @@
+name : Run Android Instrumentation Tests with Artifact and AVD Caching
+description: This action sets up Gradle, runs a preparatory task, runs Android tests on an emulator, and uploads test results.
+
+inputs:
+  prepare-task:
+    description: 'Gradle task for preparing necessary artifacts. Supports multi-line input.'
+    required: true
+  test-task:
+    description: 'Gradle task for running instrumentation tests. Supports multi-line input.'
+    required: true
+  api-level :
+    description : 'The Android SDK api level, like `29`'
+    required : true
+  build-root-directory :
+    description : 'Path to the root directory of the build'
+    required : false
+  java-version :
+    description : 'The Java version to set up.'
+    default : '11'
+  distribution :
+    description : 'The JDK distribution to use.'
+    default : 'zulu'
+  restore-cache-key :
+    description : 'The unique identifier for the associated cache.  Any other consumers or producers for this cache must use the same name.'
+    default : 'null'
+  write-cache-key :
+    description : 'The unique identifier for the associated cache.  Any other consumers or producers for this cache must use the same name.'
+    default : 'null'
+
+runs :
+  using : 'composite'
+  steps :
+
+    # Create or fetch the artifacts used for these tests.
+    - name : Run ${{ inputs.prepare-task }}
+      uses : ./.github/actions/gradle-task
+      with :
+        build-root-directory : ${{ inputs.build-root-directory }}
+        distribution : ${{ inputs.distribution }}
+        java-version : ${{ inputs.java-version }}
+        restore-cache-key : ${{ inputs.restore-cache-key }}
+        task : ${{ inputs.prepare-task }}
+        write-cache-key : ${{ inputs.write-cache-key }}
+
+    # Get the AVD if it's already cached.
+    - name: AVD cache
+      uses: actions/cache@v3
+      id: avd-cache
+      with:
+        path: |
+          ~/.android/avd/*
+          ~/.android/adb*
+        key: avd-${{ matrix.api-level }}
+
+    # If the AVD cache didn't exist, create an AVD and cache it.
+    - 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: ${{ inputs.api-level }}
+        arch : x86_64
+        disable-animations: false
+        emulator-boot-timeout: 12000
+        emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+        force-avd-creation: false
+        profile : Galaxy Nexus
+        ram-size: 4096M
+        script: echo "Generated AVD snapshot."
+
+    # Run the actual emulator tests.
+    # At this point every task should be up-to-date and the AVD should be ready to go.
+    - name: run tests
+      uses: reactivecircus/android-emulator-runner@v2
+      with:
+        api-level: ${{ inputs.api-level }}
+        arch : x86_64
+        disable-animations: true
+        emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+        force-avd-creation: false
+        profile : Galaxy Nexus
+        script : ./gradlew ${{ inputs.test-task }}
+
+    - name : Upload results
+      if : ${{ always() }}
+      uses : actions/upload-artifact@v3
+      with :
+        name : instrumentation-test-results
+        path : ./**/build/reports/androidTests/connected/**