Hook User Interaction integration into running Activity in case of deferred SDK init

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Fixes
+
+- Hook User Interaction integration into running Activity in case of deferred SDK init ([#4337](https://github.com/getsentry/sentry-java/pull/4337))
+
 ## 8.11.1
 
 ### Fixes

sentry-android-core/api/sentry-android-core.api

@@ -198,24 +198,12 @@ public final class io/sentry/android/core/ContextUtils {
 
 public class io/sentry/android/core/CurrentActivityHolder {
 	public fun clearActivity ()V
+	public fun clearActivity (Landroid/app/Activity;)V
 	public fun getActivity ()Landroid/app/Activity;
 	public static fun getInstance ()Lio/sentry/android/core/CurrentActivityHolder;
 	public fun setActivity (Landroid/app/Activity;)V
 }
 
-public final class io/sentry/android/core/CurrentActivityIntegration : android/app/Application$ActivityLifecycleCallbacks, io/sentry/Integration, java/io/Closeable {
-	public fun <init> (Landroid/app/Application;)V
-	public fun close ()V
-	public fun onActivityCreated (Landroid/app/Activity;Landroid/os/Bundle;)V
-	public fun onActivityDestroyed (Landroid/app/Activity;)V
-	public fun onActivityPaused (Landroid/app/Activity;)V
-	public fun onActivityResumed (Landroid/app/Activity;)V
-	public fun onActivitySaveInstanceState (Landroid/app/Activity;Landroid/os/Bundle;)V
-	public fun onActivityStarted (Landroid/app/Activity;)V
-	public fun onActivityStopped (Landroid/app/Activity;)V
-	public fun register (Lio/sentry/IScopes;Lio/sentry/SentryOptions;)V
-}
-
 public final class io/sentry/android/core/DeviceInfoUtil {
 	public fun <init> (Landroid/content/Context;Lio/sentry/android/core/SentryAndroidOptions;)V
 	public fun collectDeviceInformation (ZZ)Lio/sentry/protocol/Device;
@@ -502,7 +490,10 @@ public class io/sentry/android/core/performance/AppStartMetrics : io/sentry/andr
 	public fun isAppLaunchedInForeground ()Z
 	public fun onActivityCreated (Landroid/app/Activity;Landroid/os/Bundle;)V
 	public fun onActivityDestroyed (Landroid/app/Activity;)V
+	public fun onActivityPaused (Landroid/app/Activity;)V
+	public fun onActivityResumed (Landroid/app/Activity;)V
 	public fun onActivityStarted (Landroid/app/Activity;)V
+	public fun onActivityStopped (Landroid/app/Activity;)V
 	public fun onAppStartSpansSent ()V
 	public static fun onApplicationCreate (Landroid/app/Application;)V
 	public static fun onApplicationPostCreate (Landroid/app/Application;)V

sentry-android-core/src/main/java/io/sentry/android/core/AndroidOptionsInitializer.java

@@ -363,7 +363,6 @@ static void installDefaultIntegrations(
           new ActivityLifecycleIntegration(
               (Application) context, buildInfoProvider, activityFramesTracker));
       options.addIntegration(new ActivityBreadcrumbsIntegration((Application) context));
-      options.addIntegration(new CurrentActivityIntegration((Application) context));
       options.addIntegration(new UserInteractionIntegration((Application) context, loadClass));
       if (isFragmentAvailable) {
         options.addIntegration(new FragmentLifecycleIntegration((Application) context, true, true));

sentry-android-core/src/main/java/io/sentry/android/core/CurrentActivityHolder.java

@@ -1,11 +1,10 @@
 package io.sentry.android.core;
 
 import android.app.Activity;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 @ApiStatus.Internal
 public class CurrentActivityHolder {
@@ -16,7 +15,7 @@ private CurrentActivityHolder() {}
 
   private @Nullable WeakReference<Activity> currentActivity;
 
-  public static @NonNull CurrentActivityHolder getInstance() {
+  public static @NotNull CurrentActivityHolder getInstance() {
     return instance;
   }
 
@@ -27,7 +26,7 @@ private CurrentActivityHolder() {}
     return null;
   }
 
-  public void setActivity(final @NonNull Activity activity) {
+  public void setActivity(final @NotNull Activity activity) {
     if (currentActivity != null && currentActivity.get() == activity) {
       return;
     }
@@ -38,4 +37,11 @@ public void setActivity(final @NonNull Activity activity) {
   public void clearActivity() {
     currentActivity = null;
   }
+
+  public void clearActivity(final @NotNull Activity activity) {
+    if (currentActivity != null && currentActivity.get() != activity) {
+      return;
+    }
+    currentActivity = null;
+  }
 }

sentry-android-core/src/main/java/io/sentry/android/core/UserInteractionIntegration.java

@@ -6,6 +6,8 @@
 import android.app.Application;
 import android.os.Bundle;
 import android.view.Window;
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleOwner;
 import io.sentry.IScopes;
 import io.sentry.Integration;
 import io.sentry.SentryLevel;
@@ -27,12 +29,15 @@ public final class UserInteractionIntegration
   private @Nullable SentryAndroidOptions options;
 
   private final boolean isAndroidXAvailable;
+  private final boolean isAndroidxLifecycleAvailable;
 
   public UserInteractionIntegration(
       final @NotNull Application application, final @NotNull io.sentry.util.LoadClass classLoader) {
     this.application = Objects.requireNonNull(application, "Application is required");
     isAndroidXAvailable =
         classLoader.isClassAvailable("androidx.core.view.GestureDetectorCompat", options);
+    isAndroidxLifecycleAvailable =
+        classLoader.isClassAvailable("androidx.lifecycle.Lifecycle", options);
   }
 
   private void startTracking(final @NotNull Activity activity) {
@@ -127,6 +132,17 @@ public void register(@NotNull IScopes scopes, @NotNull SentryOptions options) {
         application.registerActivityLifecycleCallbacks(this);
         this.options.getLogger().log(SentryLevel.DEBUG, "UserInteractionIntegration installed.");
         addIntegrationToSdkVersion("UserInteraction");
+
+        // In case of a deferred init, we hook into any resumed activity
+        if (isAndroidxLifecycleAvailable) {
+          final @Nullable Activity activity = CurrentActivityHolder.getInstance().getActivity();
+          if (activity instanceof LifecycleOwner) {
+            if (((LifecycleOwner) activity).getLifecycle().getCurrentState()
+                == Lifecycle.State.RESUMED) {
+              startTracking(activity);
+            }
+          }
+        }
       } else {
         options
             .getLogger()

sentry-android-core/src/main/java/io/sentry/android/core/performance/AppStartMetrics.java

@@ -17,6 +17,7 @@
 import io.sentry.TracesSamplingDecision;
 import io.sentry.android.core.BuildInfoProvider;
 import io.sentry.android.core.ContextUtils;
+import io.sentry.android.core.CurrentActivityHolder;
 import io.sentry.android.core.SentryAndroidOptions;
 import io.sentry.android.core.internal.util.FirstDrawDoneListener;
 import io.sentry.util.AutoClosableReentrantLock;
@@ -42,7 +43,6 @@
  */
 @ApiStatus.Internal
 public class AppStartMetrics extends ActivityLifecycleCallbacksAdapter {
-
   public enum AppStartType {
     UNKNOWN,
     COLD,
@@ -342,10 +342,12 @@ private void checkCreateTimeOnMain() {
 
   @Override
   public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle savedInstanceState) {
-    final long nowUptimeMs = SystemClock.uptimeMillis();
+    CurrentActivityHolder.getInstance().setActivity(activity);
 
     // the first activity determines the app start type
     if (activeActivitiesCounter.incrementAndGet() == 1 && !firstDrawDone.get()) {
+      final long nowUptimeMs = SystemClock.uptimeMillis();
+
       // If the app (process) was launched more than 1 minute ago, it's likely wrong
       final long durationSinceAppStartMillis = nowUptimeMs - appStartSpan.getStartUptimeMs();
       if (!appLaunchedInForeground || durationSinceAppStartMillis > TimeUnit.MINUTES.toMillis(1)) {
@@ -367,6 +369,8 @@ public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle saved
 
   @Override
   public void onActivityStarted(@NonNull Activity activity) {
+    CurrentActivityHolder.getInstance().setActivity(activity);
+
     if (firstDrawDone.get()) {
       return;
     }
@@ -378,8 +382,25 @@ public void onActivityStarted(@NonNull Activity activity) {
     }
   }
 
+  @Override
+  public void onActivityResumed(@NonNull Activity activity) {
+    CurrentActivityHolder.getInstance().setActivity(activity);
+  }
+
+  @Override
+  public void onActivityPaused(@NonNull Activity activity) {
+    CurrentActivityHolder.getInstance().clearActivity(activity);
+  }
+
+  @Override
+  public void onActivityStopped(@NonNull Activity activity) {
+    CurrentActivityHolder.getInstance().clearActivity(activity);
+  }
+
   @Override
   public void onActivityDestroyed(@NonNull Activity activity) {
+    CurrentActivityHolder.getInstance().clearActivity(activity);
+
     final int remainingActivities = activeActivitiesCounter.decrementAndGet();
     // if the app is moving into background
     // as the next Activity is considered like a new app start

sentry-android-core/src/test/java/io/sentry/android/core/AndroidOptionsInitializerTest.kt

@@ -634,15 +634,6 @@ class AndroidOptionsInitializerTest {
         assertTrue { fixture.sentryOptions.envelopeDiskCache is AndroidEnvelopeCache }
     }
 
-    @Test
-    fun `CurrentActivityIntegration is added by default`() {
-        fixture.initSut(useRealContext = true)
-
-        val actual =
-            fixture.sentryOptions.integrations.firstOrNull { it is CurrentActivityIntegration }
-        assertNotNull(actual)
-    }
-
     @Test
     fun `When Activity Frames Tracking is enabled, the Activity Frames Tracker should be unavailable`() {
         fixture.initSut(