feat: Added enableTraceIdGeneration option

CHANGELOG.md

@@ -7,6 +7,7 @@
 - The `ignoredErrors` option is now configurable via the manifest property `io.sentry.traces.ignored-errors` ([#4178](https://github.com/getsentry/sentry-java/pull/4178))
 - A list of active Spring profiles is attached to payloads sent to Sentry (errors, traces, etc.) and displayed in the UI when using our Spring or Spring Boot integrations ([#4147](https://github.com/getsentry/sentry-java/pull/4147))
   - This consists of an empty list when only the default profile is active
+- Added `enableTraceIdGeneration` to the AndroidOptions. This allows Hybrid SDKs to "freeze" and control the trace and connect errors on different layers of the application ([4188](https://github.com/getsentry/sentry-java/pull/4188))
 - Move to a single NetworkCallback listener to reduce number of IPC calls on Android ([#4164](https://github.com/getsentry/sentry-java/pull/4164))
 - Add GraphQL Apollo Kotlin 4 integration ([#4166](https://github.com/getsentry/sentry-java/pull/4166))
 

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

@@ -292,6 +292,7 @@ public final class io/sentry/android/core/SentryAndroidOptions : io/sentry/Sentr
 	public fun isEnableAppComponentBreadcrumbs ()Z
 	public fun isEnableAppLifecycleBreadcrumbs ()Z
 	public fun isEnableAutoActivityLifecycleTracing ()Z
+	public fun isEnableAutoTraceIdGeneration ()Z
 	public fun isEnableFramesTracking ()Z
 	public fun isEnableNdk ()Z
 	public fun isEnableNetworkEventBreadcrumbs ()Z
@@ -315,6 +316,7 @@ public final class io/sentry/android/core/SentryAndroidOptions : io/sentry/Sentr
 	public fun setEnableAppComponentBreadcrumbs (Z)V
 	public fun setEnableAppLifecycleBreadcrumbs (Z)V
 	public fun setEnableAutoActivityLifecycleTracing (Z)V
+	public fun setEnableAutoTraceIdGeneration (Z)V
 	public fun setEnableFramesTracking (Z)V
 	public fun setEnableNdk (Z)V
 	public fun setEnableNetworkEventBreadcrumbs (Z)V

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

@@ -161,7 +161,9 @@ private void startTracing(final @NotNull Activity activity) {
     if (scopes != null && !isRunningTransactionOrTrace(activity)) {
       if (!performanceEnabled) {
         activitiesWithOngoingTransactions.put(activity, NoOpTransaction.getInstance());
-        TracingUtils.startNewTrace(scopes);
+        if (options.isEnableAutoTraceIdGeneration()) {
+          TracingUtils.startNewTrace(scopes);
+        }
       } else {
         // as we allow a single transaction running on the bound Scope, we finish the previous ones
         stopPreviousTransactions();

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

@@ -107,6 +107,9 @@ final class ManifestMetadataReader {
 
   static final String IGNORED_ERRORS = "io.sentry.ignored-errors";
 
+  static final String ENABLE_AUTO_TRACE_ID_GENERATION =
+      "io.sentry.traces.enable-auto-id-generation";
+
   /** ManifestMetadataReader ctor */
   private ManifestMetadataReader() {}
 
@@ -380,6 +383,13 @@ static void applyMetadata(
             readBool(
                 metadata, logger, ENABLE_SCOPE_PERSISTENCE, options.isEnableScopePersistence()));
 
+        options.setEnableAutoTraceIdGeneration(
+            readBool(
+                metadata,
+                logger,
+                ENABLE_AUTO_TRACE_ID_GENERATION,
+                options.isEnableAutoTraceIdGeneration()));
+
         if (options.getSessionReplay().getSessionSampleRate() == null) {
           final Double sessionSampleRate =
               readDouble(metadata, logger, REPLAYS_SESSION_SAMPLE_RATE);

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

@@ -166,6 +166,12 @@ public final class SentryAndroidOptions extends SentryOptions {
    */
   private boolean enableScopeSync = true;
 
+  /**
+   * Whether to enable automatic trace ID generation. This is mainly used by the Hybrid SDKs to
+   * control the trace ID generation from the outside.
+   */
+  private boolean enableAutoTraceIdGeneration = true;
+
   public interface BeforeCaptureCallback {
 
     /**
@@ -594,4 +600,12 @@ public void setFrameMetricsCollector(
       final @Nullable SentryFrameMetricsCollector frameMetricsCollector) {
     this.frameMetricsCollector = frameMetricsCollector;
   }
+
+  public boolean isEnableAutoTraceIdGeneration() {
+    return enableAutoTraceIdGeneration;
+  }
+
+  public void setEnableAutoTraceIdGeneration(final boolean enableAutoTraceIdGeneration) {
+    this.enableAutoTraceIdGeneration = enableAutoTraceIdGeneration;
+  }
 }

sentry-android-core/src/main/java/io/sentry/android/core/internal/gestures/SentryGestureListener.java

@@ -202,7 +202,9 @@ private void startTracing(final @NotNull UiElement target, final @NotNull Gestur
 
     if (!(options.isTracingEnabled() && options.isEnableUserInteractionTracing())) {
       if (isNewInteraction) {
-        TracingUtils.startNewTrace(scopes);
+        if (options.isEnableAutoTraceIdGeneration()) {
+          TracingUtils.startNewTrace(scopes);
+        }
         activeUiElement = target;
         activeEventType = eventType;
       }

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

@@ -1385,10 +1385,11 @@ class ActivityLifecycleIntegrationTest {
     }
 
     @Test
-    fun `starts new trace if performance is disabled`() {
+    fun `starts new trace if performance is disabled and trace ID generation is enabled`() {
         val sut = fixture.getSut()
         val activity = mock<Activity>()
         fixture.options.tracesSampleRate = null
+        fixture.options.isEnableAutoTraceIdGeneration = true
 
         val argumentCaptor: ArgumentCaptor<ScopeCallback> = ArgumentCaptor.forClass(ScopeCallback::class.java)
         val scope = Scope(fixture.options)
@@ -1405,6 +1406,28 @@ class ActivityLifecycleIntegrationTest {
         assertNotSame(propagationContextAtStart, scope.propagationContext)
     }
 
+    @Test
+    fun `does not start a new trace if performance is disabled and trace ID generation is disabled`() {
+        val sut = fixture.getSut()
+        val activity = mock<Activity>()
+        fixture.options.tracesSampleRate = null
+        fixture.options.isEnableAutoTraceIdGeneration = false
+
+        val argumentCaptor: ArgumentCaptor<ScopeCallback> = ArgumentCaptor.forClass(ScopeCallback::class.java)
+        val scope = Scope(fixture.options)
+        val propagationContextAtStart = scope.propagationContext
+        whenever(fixture.scopes.configureScope(argumentCaptor.capture())).thenAnswer {
+            argumentCaptor.value.run(scope)
+        }
+
+        sut.register(fixture.scopes, fixture.options)
+        sut.onActivityCreated(activity, fixture.bundle)
+
+        // once for the screen
+        verify(fixture.scopes).configureScope(any())
+        assertSame(propagationContextAtStart, scope.propagationContext)
+    }
+
     @Test
     fun `sets the activity as the current screen`() {
         val sut = fixture.getSut()

sentry-android-core/src/test/java/io/sentry/android/core/internal/gestures/SentryGestureListenerTracingTest.kt

@@ -35,6 +35,7 @@ import org.mockito.kotlin.verify
 import org.mockito.kotlin.whenever
 import kotlin.test.Test
 import kotlin.test.assertEquals
+import kotlin.test.assertNotEquals
 import kotlin.test.assertNotNull
 import kotlin.test.assertNull
 
@@ -59,12 +60,14 @@ class SentryGestureListenerTracingTest {
             hasViewIdInRes: Boolean = true,
             tracesSampleRate: Double? = 1.0,
             isEnableUserInteractionTracing: Boolean = true,
-            transaction: SentryTracer? = null
+            transaction: SentryTracer? = null,
+            isEnableAutoTraceIdGeneration: Boolean = true
         ): SentryGestureListener {
             options.tracesSampleRate = tracesSampleRate
             options.isEnableUserInteractionTracing = isEnableUserInteractionTracing
             options.isEnableUserInteractionBreadcrumbs = true
             options.gestureTargetLocators = listOf(AndroidViewGestureTargetLocator(true))
+            options.isEnableAutoTraceIdGeneration = isEnableAutoTraceIdGeneration
 
             whenever(scopes.options).thenReturn(options)
 
@@ -370,6 +373,33 @@ class SentryGestureListenerTracingTest {
         assertEquals(OUT_OF_RANGE, fixture.transaction.status)
     }
 
+    @Test
+    fun `when tracing is disabled and auto trace id generation is disabled, does not start a new trace`() {
+        val sut = fixture.getSut<View>(tracesSampleRate = null, isEnableAutoTraceIdGeneration = false)
+
+        sut.onSingleTapUp(fixture.event)
+
+        verify(fixture.scopes, never()).configureScope(any())
+    }
+
+    @Test
+    fun `when tracing is disabled and auto trace id generation is enabled, starts a new trace`() {
+        val sut = fixture.getSut<View>(tracesSampleRate = null, isEnableAutoTraceIdGeneration = true)
+        val scope = Scope(fixture.options)
+        val initialPropagationContext = scope.propagationContext
+
+        sut.onSingleTapUp(fixture.event)
+
+        verify(fixture.scopes).configureScope(
+            check { callback ->
+                callback.run(scope)
+                // Verify that a new propagation context was set and it's different from the initial one
+                assertNotNull(scope.propagationContext)
+                assertNotEquals(initialPropagationContext, scope.propagationContext)
+            }
+        )
+    }
+
     internal open class ScrollableListView : AbsListView(mock()) {
         override fun getAdapter(): ListAdapter = mock()
         override fun setSelection(position: Int) = Unit