Enable Unified gradle test runner and run tests with Unified gradle t…

…est runner without android-emulator-runner.

.github/workflows/ci.yml

@@ -208,14 +208,8 @@ jobs:
           script: echo "Generated AVD snapshot for caching."
 
       - name: Run Android instrumented tests
-        uses: reactivecircus/android-emulator-runner@v2
-        with:
-          api-level: 23
-          arch: x86
-          profile: Nexus 5X
-          force-avd-creation: false
-          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
-          script: ./gradlew connectedCheck
+        run: |
+          ./gradlew ui-home:pixel2api28DebugAndroidTest
 
   publish-to-play-store:
     name: Publish to Play Store

buildSrc/src/main/kotlin/io/github/reactivecircus/streamlined/BaselineProjectConfigs.kt

@@ -1,14 +1,18 @@
 package io.github.reactivecircus.streamlined
 
+import com.android.build.api.dsl.Device
+import com.android.build.api.dsl.ManagedVirtualDevice
 import com.android.build.api.extension.ApplicationAndroidComponentsExtension
 import com.android.build.api.extension.LibraryAndroidComponentsExtension
 import com.android.build.gradle.TestedExtension
 import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
 import java.io.File
+import org.gradle.api.ExtensiblePolymorphicDomainObjectContainer
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
 import org.gradle.api.tasks.testing.Test
 import org.gradle.api.tasks.testing.logging.TestLogEvent
+import org.gradle.kotlin.dsl.register
 import org.gradle.kotlin.dsl.repositories
 import org.gradle.kotlin.dsl.withType
 import org.jetbrains.kotlin.gradle.plugin.KotlinAndroidPluginWrapper
@@ -57,10 +61,18 @@ internal fun TestedExtension.configureCommonAndroidOptions() {
         resourceConfigurations.add("en")
     }
 
-    testOptions.animationsDisabled = true
-
     // TODO re-enable once lint analysis failure is fixed
     lintOptions.disable("DialogFragmentCallbacksDetector")
+
+    testOptions {
+        animationsDisabled = true
+        devices.register<ManagedVirtualDevice>("pixel2api28") {
+            device = "Pixel 2"
+            apiLevel = 28
+            systemImageSource = "aosp"
+            abi = "x86"
+        }
+    }
 }
 
 /**

gradle.properties

@@ -43,3 +43,6 @@ android.defaults.buildfeatures.renderscript=false
 android.defaults.buildfeatures.resvalues=false
 android.defaults.buildfeatures.shaders=false
 android.library.defaults.buildfeatures.androidresources=false
+
+# Enable Gradle managed virtual devices
+android.experimental.androidTest.useUnifiedTestPlatform=true