Adds ProfileViewer to log the app's Baseline Profile Compilation Status

Author: Murat Yener

app/src/main/java/com/google/samples/apps/nowinandroid/MainActivity.kt

@@ -17,6 +17,7 @@
 package com.google.samples.apps.nowinandroid
 
 import android.os.Bundle
+import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.viewModels
@@ -35,6 +36,7 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
 import androidx.metrics.performance.JankStats
+import androidx.profileinstaller.ProfileVerifier
 import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import com.google.samples.apps.nowinandroid.MainActivityUiState.Loading
 import com.google.samples.apps.nowinandroid.MainActivityUiState.Success
@@ -47,11 +49,15 @@ import com.google.samples.apps.nowinandroid.core.model.data.DarkThemeConfig
 import com.google.samples.apps.nowinandroid.core.model.data.ThemeBrand
 import com.google.samples.apps.nowinandroid.ui.NiaApp
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import javax.inject.Inject
 
+private const val TAG = "MainActivity"
+
 @OptIn(ExperimentalMaterial3WindowSizeClassApi::class)
 @AndroidEntryPoint
 class MainActivity : ComponentActivity() {
@@ -133,12 +139,48 @@ class MainActivity : ComponentActivity() {
     override fun onResume() {
         super.onResume()
         lazyStats.get().isTrackingEnabled = true
+        lifecycleScope.launch {
+            logCompilationStatus()
+        }
     }
 
     override fun onPause() {
         super.onPause()
         lazyStats.get().isTrackingEnabled = false
     }
+
+    /**
+     * Logs the app's Baseline Profile Compilation Status using [ProfileVerifier].
+     */
+    private suspend fun logCompilationStatus() {
+        /*
+        When delivering through Google Play, the baseline profile is compiled during installation.
+        In this case you will see the correct state logged without any further action necessary.
+        To verify baseline profile installation locally, you need to manually trigger baseline
+        profile installation.
+        For immediate compilation, call:
+         `adb shell cmd package compile -f -m speed-profile com.example.macrobenchmark.target`
+        You can also trigger background optimizations:
+         `adb shell pm bg-dexopt-job`
+        Both jobs run asynchronously and might take some time complete.
+        To see quick turnaround of the ProfileVerifier, we recommend using `speed-profile`.
+        If you don't do either of these steps, you might only see the profile status reported as
+        "enqueued for compilation" when running the sample locally.
+        */
+        withContext(Dispatchers.IO) {
+            val status = ProfileVerifier.getCompilationStatusAsync().get()
+            Log.d(TAG, "ProfileInstaller status code: ${status.profileInstallResultCode}")
+            Log.d(
+                TAG,
+                when {
+                    status.isCompiledWithProfile -> "ProfileInstaller: is compiled with profile"
+                    status.hasProfileEnqueuedForCompilation() ->
+                        "ProfileInstaller: Enqueued for compilation"
+                    else -> "Profile not compiled or enqueued"
+                }
+            )
+        }
+    }
 }
 
 /**

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ androidxLifecycle = "2.6.0-alpha05"
 androidxMacroBenchmark = "1.2.0-alpha16"
 androidxMetrics = "1.0.0-alpha03"
 androidxNavigation = "2.5.3"
-androidxProfileinstaller = "1.2.1"
+androidxProfileinstaller = "1.3.1"
 androidxStartup = "1.1.1"
 androidxTestCore = "1.5.0"
 androidxTestExt = "1.1.4"