[SR] Add replay integration

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

@@ -245,6 +245,10 @@ public final class io/sentry/android/core/SentryAndroid {
 	public static fun init (Landroid/content/Context;Lio/sentry/ILogger;)V
 	public static fun init (Landroid/content/Context;Lio/sentry/ILogger;Lio/sentry/Sentry$OptionsConfiguration;)V
 	public static fun init (Landroid/content/Context;Lio/sentry/Sentry$OptionsConfiguration;)V
+	public static fun pauseReplay ()V
+	public static fun resumeReplay ()V
+	public static fun startReplay ()V
+	public static fun stopReplay ()V
 }
 
 public final class io/sentry/android/core/SentryAndroidDateProvider : io/sentry/SentryDateProvider {

sentry-android-core/build.gradle.kts

@@ -76,6 +76,7 @@ dependencies {
     api(projects.sentry)
     compileOnly(projects.sentryAndroidFragment)
     compileOnly(projects.sentryAndroidTimber)
+    compileOnly(projects.sentryAndroidReplay)
     compileOnly(projects.sentryCompose)
 
     // lifecycle processor, session tracking
@@ -103,6 +104,7 @@ dependencies {
     testImplementation(projects.sentryTestSupport)
     testImplementation(projects.sentryAndroidFragment)
     testImplementation(projects.sentryAndroidTimber)
+    testImplementation(projects.sentryAndroidReplay)
     testImplementation(projects.sentryComposeHelper)
     testImplementation(projects.sentryAndroidNdk)
     testRuntimeOnly(Config.Libs.composeUi)

sentry-android-core/proguard-rules.pro

@@ -72,3 +72,9 @@
 -keepnames class io.sentry.exception.SentryHttpClientException
 
 ##---------------End: proguard configuration for sentry-okhttp  ----------
+
+##---------------Begin: proguard configuration for sentry-android-replay  ----------
+-dontwarn io.sentry.android.replay.ReplayIntegration
+-dontwarn io.sentry.android.replay.ReplayIntegrationKt
+-keepnames class io.sentry.android.replay.ReplayIntegration
+##---------------End: proguard configuration for sentry-android-replay  ----------

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

@@ -22,13 +22,15 @@
 import io.sentry.android.core.internal.util.SentryFrameMetricsCollector;
 import io.sentry.android.core.performance.AppStartMetrics;
 import io.sentry.android.fragment.FragmentLifecycleIntegration;
+import io.sentry.android.replay.ReplayIntegration;
 import io.sentry.android.timber.SentryTimberIntegration;
 import io.sentry.cache.PersistingOptionsObserver;
 import io.sentry.cache.PersistingScopeObserver;
 import io.sentry.compose.gestures.ComposeGestureTargetLocator;
 import io.sentry.compose.viewhierarchy.ComposeViewHierarchyExporter;
 import io.sentry.internal.gestures.GestureTargetLocator;
 import io.sentry.internal.viewhierarchy.ViewHierarchyExporter;
+import io.sentry.transport.CurrentDateProvider;
 import io.sentry.transport.NoOpEnvelopeCache;
 import io.sentry.util.LazyEvaluator;
 import io.sentry.util.Objects;
@@ -230,7 +232,8 @@ static void installDefaultIntegrations(
       final @NotNull LoadClass loadClass,
       final @NotNull ActivityFramesTracker activityFramesTracker,
       final boolean isFragmentAvailable,
-      final boolean isTimberAvailable) {
+      final boolean isTimberAvailable,
+      final boolean isReplayAvailable) {
 
     // Integration MUST NOT cache option values in ctor, as they will be configured later by the
     // user
@@ -295,6 +298,9 @@ static void installDefaultIntegrations(
         new NetworkBreadcrumbsIntegration(context, buildInfoProvider, options.getLogger()));
     options.addIntegration(new TempSensorBreadcrumbsIntegration(context));
     options.addIntegration(new PhoneStateBreadcrumbsIntegration(context));
+    if (isReplayAvailable) {
+      options.addIntegration(new ReplayIntegration(context, CurrentDateProvider.getInstance()));
+    }
   }
 
   /**

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

@@ -11,6 +11,7 @@
 import io.sentry.transport.ICurrentDateProvider;
 import java.util.Timer;
 import java.util.TimerTask;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicLong;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -19,11 +20,12 @@
 final class LifecycleWatcher implements DefaultLifecycleObserver {
 
   private final AtomicLong lastUpdatedSession = new AtomicLong(0L);
+  private final AtomicBoolean isFreshSession = new AtomicBoolean(false);
 
   private final long sessionIntervalMillis;
 
   private @Nullable TimerTask timerTask;
-  private final @Nullable Timer timer;
+  private final @NotNull Timer timer = new Timer(true);
   private final @NotNull Object timerLock = new Object();
   private final @NotNull IHub hub;
   private final boolean enableSessionTracking;
@@ -55,11 +57,6 @@ final class LifecycleWatcher implements DefaultLifecycleObserver {
     this.enableAppLifecycleBreadcrumbs = enableAppLifecycleBreadcrumbs;
     this.hub = hub;
     this.currentDateProvider = currentDateProvider;
-    if (enableSessionTracking) {
-      timer = new Timer(true);
-    } else {
-      timer = null;
-    }
   }
 
   // App goes to foreground
@@ -74,41 +71,45 @@ public void onStart(final @NotNull LifecycleOwner owner) {
   }
 
   private void startSession() {
-    if (enableSessionTracking) {
-      cancelTask();
+    cancelTask();
 
-      final long currentTimeMillis = currentDateProvider.getCurrentTimeMillis();
+    final long currentTimeMillis = currentDateProvider.getCurrentTimeMillis();
 
-      hub.configureScope(
-          scope -> {
-            if (lastUpdatedSession.get() == 0L) {
-              final @Nullable Session currentSession = scope.getSession();
-              if (currentSession != null && currentSession.getStarted() != null) {
-                lastUpdatedSession.set(currentSession.getStarted().getTime());
-              }
+    hub.configureScope(
+        scope -> {
+          if (lastUpdatedSession.get() == 0L) {
+            final @Nullable Session currentSession = scope.getSession();
+            if (currentSession != null && currentSession.getStarted() != null) {
+              lastUpdatedSession.set(currentSession.getStarted().getTime());
+              isFreshSession.set(true);
             }
-          });
+          }
+        });
 
-      final long lastUpdatedSession = this.lastUpdatedSession.get();
-      if (lastUpdatedSession == 0L
-          || (lastUpdatedSession + sessionIntervalMillis) <= currentTimeMillis) {
+    final long lastUpdatedSession = this.lastUpdatedSession.get();
+    if (lastUpdatedSession == 0L
+        || (lastUpdatedSession + sessionIntervalMillis) <= currentTimeMillis) {
+      if (enableSessionTracking) {
         addSessionBreadcrumb("start");
         hub.startSession();
       }
-      this.lastUpdatedSession.set(currentTimeMillis);
+      SentryAndroid.startReplay();
+    } else if (!isFreshSession.getAndSet(false)) {
+      // only resume if it's not a fresh session, which has been started in SentryAndroid.init
+      SentryAndroid.resumeReplay();
     }
+    this.lastUpdatedSession.set(currentTimeMillis);
   }
 
   // App went to background and triggered this callback after 700ms
   // as no new screen was shown
   @Override
   public void onStop(final @NotNull LifecycleOwner owner) {
-    if (enableSessionTracking) {
-      final long currentTimeMillis = currentDateProvider.getCurrentTimeMillis();
-      this.lastUpdatedSession.set(currentTimeMillis);
+    final long currentTimeMillis = currentDateProvider.getCurrentTimeMillis();
+    this.lastUpdatedSession.set(currentTimeMillis);
 
-      scheduleEndSession();
-    }
+    SentryAndroid.pauseReplay();
+    scheduleEndSession();
 
     AppState.getInstance().setInBackground(true);
     addAppBreadcrumb("background");
@@ -122,8 +123,11 @@ private void scheduleEndSession() {
             new TimerTask() {
               @Override
               public void run() {
-                addSessionBreadcrumb("end");
-                hub.endSession();
+                if (enableSessionTracking) {
+                  addSessionBreadcrumb("end");
+                  hub.endSession();
+                }
+                SentryAndroid.stopReplay();
               }
             };
 
@@ -164,7 +168,7 @@ TimerTask getTimerTask() {
   }
 
   @TestOnly
-  @Nullable
+  @NotNull
   Timer getTimer() {
     return timer;
   }

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

@@ -15,6 +15,8 @@
 import io.sentry.android.core.performance.AppStartMetrics;
 import io.sentry.android.core.performance.TimeSpan;
 import io.sentry.android.fragment.FragmentLifecycleIntegration;
+import io.sentry.android.replay.ReplayIntegration;
+import io.sentry.android.replay.ReplayIntegrationKt;
 import io.sentry.android.timber.SentryTimberIntegration;
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
@@ -33,6 +35,11 @@ public final class SentryAndroid {
   static final String SENTRY_TIMBER_INTEGRATION_CLASS_NAME =
       "io.sentry.android.timber.SentryTimberIntegration";
 
+  static final String SENTRY_REPLAY_INTEGRATION_CLASS_NAME =
+      "io.sentry.android.replay.ReplayIntegration";
+
+  private static boolean isReplayAvailable = false;
+
   private static final String TIMBER_CLASS_NAME = "timber.log.Timber";
   private static final String FRAGMENT_CLASS_NAME =
       "androidx.fragment.app.FragmentManager$FragmentLifecycleCallbacks";
@@ -99,6 +106,8 @@ public static synchronized void init(
             final boolean isTimberAvailable =
                 (isTimberUpstreamAvailable
                     && classLoader.isClassAvailable(SENTRY_TIMBER_INTEGRATION_CLASS_NAME, options));
+            isReplayAvailable =
+                classLoader.isClassAvailable(SENTRY_REPLAY_INTEGRATION_CLASS_NAME, options);
 
             final BuildInfoProvider buildInfoProvider = new BuildInfoProvider(logger);
             final LoadClass loadClass = new LoadClass();
@@ -118,7 +127,8 @@ public static synchronized void init(
                 loadClass,
                 activityFramesTracker,
                 isFragmentAvailable,
-                isTimberAvailable);
+                isTimberAvailable,
+                isReplayAvailable);
 
             configuration.configure(options);
 
@@ -145,9 +155,12 @@ public static synchronized void init(
           true);
 
       final @NotNull IHub hub = Sentry.getCurrentHub();
-      if (hub.getOptions().isEnableAutoSessionTracking() && ContextUtils.isForegroundImportance()) {
-        hub.addBreadcrumb(BreadcrumbFactory.forSession("session.start"));
-        hub.startSession();
+      if (ContextUtils.isForegroundImportance()) {
+        if (hub.getOptions().isEnableAutoSessionTracking()) {
+          hub.addBreadcrumb(BreadcrumbFactory.forSession("session.start"));
+          hub.startSession();
+        }
+        startReplay();
       }
     } catch (IllegalAccessException e) {
       logger.log(SentryLevel.FATAL, "Fatal error during SentryAndroid.init(...)", e);
@@ -212,4 +225,59 @@ private static void deduplicateIntegrations(
       }
     }
   }
+
+  public static synchronized void startReplay() {
+    if (!ensureReplayIntegration("starting")) {
+      return;
+    }
+    final @NotNull IHub hub = Sentry.getCurrentHub();
+    ReplayIntegrationKt.getReplayIntegration(hub).start();
+  }
+
+  public static synchronized void stopReplay() {
+    if (!ensureReplayIntegration("stopping")) {
+      return;
+    }
+    final @NotNull IHub hub = Sentry.getCurrentHub();
+    ReplayIntegrationKt.getReplayIntegration(hub).stop();
+  }
+
+  public static synchronized void resumeReplay() {
+    if (!ensureReplayIntegration("resuming")) {
+      return;
+    }
+    final @NotNull IHub hub = Sentry.getCurrentHub();
+    ReplayIntegrationKt.getReplayIntegration(hub).resume();
+  }
+
+  public static synchronized void pauseReplay() {
+    if (!ensureReplayIntegration("pausing")) {
+      return;
+    }
+    final @NotNull IHub hub = Sentry.getCurrentHub();
+    ReplayIntegrationKt.getReplayIntegration(hub).pause();
+  }
+
+  private static boolean ensureReplayIntegration(final @NotNull String actionName) {
+    final @NotNull IHub hub = Sentry.getCurrentHub();
+    if (isReplayAvailable) {
+      final ReplayIntegration replay = ReplayIntegrationKt.getReplayIntegration(hub);
+      if (replay != null) {
+        return true;
+      } else {
+        hub.getOptions()
+            .getLogger()
+            .log(
+                SentryLevel.INFO,
+                "Session Replay wasn't registered yet, not " + actionName + " the replay");
+      }
+    } else {
+      hub.getOptions()
+          .getLogger()
+          .log(
+              SentryLevel.INFO,
+              "Session Replay wasn't found on classpath, not " + actionName + " the replay");
+    }
+    return false;
+  }
 }

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

@@ -15,6 +15,7 @@ import io.sentry.android.core.internal.gestures.AndroidViewGestureTargetLocator
 import io.sentry.android.core.internal.modules.AssetsModulesLoader
 import io.sentry.android.core.internal.util.AndroidMainThreadChecker
 import io.sentry.android.fragment.FragmentLifecycleIntegration
+import io.sentry.android.replay.ReplayIntegration
 import io.sentry.android.timber.SentryTimberIntegration
 import io.sentry.cache.PersistingOptionsObserver
 import io.sentry.cache.PersistingScopeObserver
@@ -83,6 +84,7 @@ class AndroidOptionsInitializerTest {
                 loadClass,
                 activityFramesTracker,
                 false,
+                false,
                 false
             )
 
@@ -99,7 +101,8 @@ class AndroidOptionsInitializerTest {
             minApi: Int = Build.VERSION_CODES.KITKAT,
             classesToLoad: List<String> = emptyList(),
             isFragmentAvailable: Boolean = false,
-            isTimberAvailable: Boolean = false
+            isTimberAvailable: Boolean = false,
+            isReplayAvailable: Boolean = false
         ) {
             mockContext = ContextUtilsTestHelper.mockMetaData(
                 mockContext = ContextUtilsTestHelper.createMockContext(hasAppContext = true),
@@ -126,7 +129,8 @@ class AndroidOptionsInitializerTest {
                 loadClass,
                 activityFramesTracker,
                 isFragmentAvailable,
-                isTimberAvailable
+                isTimberAvailable,
+                isReplayAvailable
             )
 
             AndroidOptionsInitializer.initializeIntegrationsAndProcessors(
@@ -478,6 +482,24 @@ class AndroidOptionsInitializerTest {
         assertNull(actual)
     }
 
+    @Test
+    fun `ReplayIntegration added to the integration list if available on classpath`() {
+        fixture.initSutWithClassLoader(isReplayAvailable = true)
+
+        val actual =
+            fixture.sentryOptions.integrations.firstOrNull { it is ReplayIntegration }
+        assertNotNull(actual)
+    }
+
+    @Test
+    fun `ReplayIntegration won't be enabled, it throws class not found`() {
+        fixture.initSutWithClassLoader(isReplayAvailable = false)
+
+        val actual =
+            fixture.sentryOptions.integrations.firstOrNull { it is ReplayIntegration }
+        assertNull(actual)
+    }
+
     @Test
     fun `AndroidEnvelopeCache is set to options`() {
         fixture.initSut()
@@ -634,6 +656,7 @@ class AndroidOptionsInitializerTest {
             mock(),
             mock(),
             false,
+            false,
             false
         )
         verify(mockOptions, never()).outboxPath

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

@@ -118,6 +118,7 @@ class AndroidProfilerTest {
             loadClass,
             activityFramesTracker,
             false,
+            false,
             false
         )
 

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

@@ -125,6 +125,7 @@ class AndroidTransactionProfilerTest {
             loadClass,
             activityFramesTracker,
             false,
+            false,
             false
         )