chore: update baseline profile

baselineProfile/.gitignore

@@ -1 +0,0 @@
-/build

baselineprofile/.gitignore

@@ -0,0 +1,2 @@
+/build
+

baselineprofile/build.gradle.kts

@@ -1,5 +1,3 @@
-import com.android.build.api.dsl.ManagedVirtualDevice
-
 plugins {
     alias(libs.plugins.androidTest)
     alias(libs.plugins.jetbrainsKotlinAndroid)
@@ -16,7 +14,7 @@ android {
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_17.toString()
+        jvmTarget = "17"
     }
 
     defaultConfig {
@@ -28,21 +26,12 @@ android {
 
     targetProjectPath = ":app"
 
-    testOptions.managedDevices.devices {
-        create<ManagedVirtualDevice>("pixel6Api34") {
-            device = "Pixel 6"
-            apiLevel = 34
-            systemImageSource = "google"
-        }
-    }
 }
 
 // This is the configuration block for the Baseline Profile plugin.
 // You can specify to run the generators on a managed devices or connected devices.
-// For connected devices, API 28+ (rooted) or 33+ (not rooted) is required.
 baselineProfile {
-    managedDevices += "pixel6Api34"
+    useConnectedDevices = true
-    useConnectedDevices = false
 }
 
 dependencies {
@@ -51,3 +40,12 @@ dependencies {
     implementation(libs.androidx.uiautomator)
     implementation(libs.androidx.benchmark.macro.junit4)
 }
+
+androidComponents {
+    onVariants { v ->
+        v.instrumentationRunnerArguments.put(
+            "targetAppId",
+            v.testedApks.map { v.artifacts.getBuiltArtifactsLoader().load(it)?.applicationId }
+        )
+    }
+}

baselineprofile/src/main/java/com/github/libretube/baselineprofile/BaselineProfileGenerator.kt

@@ -5,6 +5,7 @@ import androidx.benchmark.macro.MacrobenchmarkScope
 import androidx.benchmark.macro.junit4.BaselineProfileRule
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.LargeTest
+import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.uiautomator.By
 import androidx.test.uiautomator.Until
 import org.junit.Rule
@@ -43,9 +44,10 @@ class BaselineProfileGenerator {
 
     @Test
     fun generate() {
-        // This example works only with the variant with application id `com.github.libretube`."
+        // The application id for the running build variant is read from the instrumentation arguments.
         rule.collect(
-            packageName = "com.github.libretube",
+            packageName = InstrumentationRegistry.getArguments().getString("targetAppId")
+                ?: throw Exception("targetAppId not passed as instrumentation runner arg"),
 
             // See: https://d.android.com/topic/performance/baselineprofiles/dex-layout-optimizations
             includeInStartupProfile = true
@@ -75,4 +77,4 @@ class BaselineProfileGenerator {
         // Wait until the home page is loaded
         device.wait(Until.hasObject(By.text("Home")), 1000)
     }
-}
+}

baselineprofile/src/main/java/com/github/libretube/baselineprofile/StartupBenchmarks.kt

@@ -7,6 +7,7 @@ import androidx.benchmark.macro.StartupTimingMetric
 import androidx.benchmark.macro.junit4.MacrobenchmarkRule
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.LargeTest
+import androidx.test.platform.app.InstrumentationRegistry
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -47,9 +48,10 @@ class StartupBenchmarks {
         benchmark(CompilationMode.Partial(BaselineProfileMode.Require))
 
     private fun benchmark(compilationMode: CompilationMode) {
-        // This example works only with the variant with application id `com.github.libretube`."
+        // The application id for the running build variant is read from the instrumentation arguments.
         rule.measureRepeated(
-            packageName = "com.github.libretube",
+            packageName = InstrumentationRegistry.getArguments().getString("targetAppId")
+                ?: throw Exception("targetAppId not passed as instrumentation runner arg"),
             metrics = listOf(StartupTimingMetric()),
             compilationMode = compilationMode,
             startupMode = StartupMode.COLD,
@@ -71,4 +73,4 @@ class StartupBenchmarks {
             }
         )
     }
-}
+}