getsentry
diff --git a/‎CHANGELOG.md‎
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Lines changed: 8 additions & 0 deletions
diff --git a/‎sentry-android-core/api/sentry-android-core.api‎
Lines changed: 17 additions & 0 deletions b/‎sentry-android-core/api/sentry-android-core.api‎
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@@ -2,6 +2,14 @@
 
 ## Unreleased
 
+### Features
+
+- Add `enableStandaloneAppStartTracing` option to send app start as a standalone transaction instead of attaching it as a child span of the first activity transaction ([#5342](https://github.com/getsentry/sentry-java/pull/5342))
+  - Disabled by default; opt in via `options.isEnableStandaloneAppStartTracing = true` or manifest meta-data `io.sentry.standalone-app-start-tracing.enable`
+  - Emits a transaction named `App Start` with op `app.start`, carrying the existing app start measurements and phase spans (`process.load`, `contentprovider.load`, `application.load`, activity lifecycle spans) as direct children of the root
+  - The standalone transaction shares the same `traceId` as the first `ui.load` activity transaction so they remain linked in the trace view
+  - Also covers non-activity starts (broadcast receivers, services, content providers)
+
 ### Improvements
 
 - Reduce boxing to improve performance ([#5523](https://github.com/getsentry/sentry-java/pull/5523), [#5527](https://github.com/getsentry/sentry-java/pull/5527))
 
@@ -392,6 +392,7 @@ public final class io/sentry/android/core/SentryAndroidOptions : io/sentry/Sentr
 	public fun isEnablePerformanceV2 ()Z
 	public fun isEnableRootCheck ()Z
 	public fun isEnableScopeSync ()Z
+	public fun isEnableStandaloneAppStartTracing ()Z
 	public fun isEnableSystemEventBreadcrumbs ()Z
 	public fun isEnableSystemEventBreadcrumbsExtras ()Z
 	public fun isReportHistoricalAnrs ()Z
@@ -423,6 +424,7 @@ public final class io/sentry/android/core/SentryAndroidOptions : io/sentry/Sentr
 	public fun setEnablePerformanceV2 (Z)V
 	public fun setEnableRootCheck (Z)V
 	public fun setEnableScopeSync (Z)V
+	public fun setEnableStandaloneAppStartTracing (Z)V
 	public fun setEnableSystemEventBreadcrumbs (Z)V
 	public fun setEnableSystemEventBreadcrumbsExtras (Z)V
 	public fun setFrameMetricsCollector (Lio/sentry/android/core/internal/util/SentryFrameMetricsCollector;)V
@@ -740,11 +742,16 @@ public class io/sentry/android/core/performance/AppStartMetrics : io/sentry/andr
 	public fun clear ()V
 	public fun createProcessInitSpan ()Lio/sentry/android/core/performance/TimeSpan;
 	public fun getActivityLifecycleTimeSpans ()Ljava/util/List;
+	public fun getAppStartBaggageHeader ()Ljava/lang/String;
 	public fun getAppStartContinuousProfiler ()Lio/sentry/IContinuousProfiler;
+	public fun getAppStartEndTime ()Lio/sentry/SentryDate;
 	public fun getAppStartProfiler ()Lio/sentry/ITransactionProfiler;
 	public fun getAppStartSamplingDecision ()Lio/sentry/TracesSamplingDecision;
+	public fun getAppStartSentryTraceHeader ()Ljava/lang/String;
 	public fun getAppStartTimeSpan ()Lio/sentry/android/core/performance/TimeSpan;
+	public fun getAppStartTimeSpanForHeadless ()Lio/sentry/android/core/performance/TimeSpan;
 	public fun getAppStartTimeSpanWithFallback (Lio/sentry/android/core/SentryAndroidOptions;)Lio/sentry/android/core/performance/TimeSpan;
+	public fun getAppStartTraceId ()Lio/sentry/protocol/SentryId;
 	public fun getAppStartType ()Lio/sentry/android/core/performance/AppStartMetrics$AppStartType;
 	public fun getApplicationOnCreateTimeSpan ()Lio/sentry/android/core/performance/TimeSpan;
 	public fun getClassLoadedUptimeMs ()J
@@ -765,12 +772,18 @@ public class io/sentry/android/core/performance/AppStartMetrics : io/sentry/andr
 	public static fun onContentProviderPostCreate (Landroid/content/ContentProvider;)V
 	public fun registerLifecycleCallbacks (Landroid/app/Application;)V
 	public fun setAppLaunchedInForeground (Z)V
+	public fun setAppStartBaggageHeader (Ljava/lang/String;)V
 	public fun setAppStartContinuousProfiler (Lio/sentry/IContinuousProfiler;)V
+	public fun setAppStartEndTime (Lio/sentry/SentryDate;)V
 	public fun setAppStartProfiler (Lio/sentry/ITransactionProfiler;)V
 	public fun setAppStartSamplingDecision (Lio/sentry/TracesSamplingDecision;)V
+	public fun setAppStartSentryTraceHeader (Ljava/lang/String;)V
+	public fun setAppStartTraceId (Lio/sentry/protocol/SentryId;)V
 	public fun setAppStartType (Lio/sentry/android/core/performance/AppStartMetrics$AppStartType;)V
 	public fun setClassLoadedUptimeMs (J)V
+	public fun setHeadlessAppStartListener (Lio/sentry/android/core/performance/AppStartMetrics$HeadlessAppStartListener;)V
 	public fun shouldSendStartMeasurements ()Z
+	public fun shouldSendStartMeasurements (Z)Z
 }
 
 public final class io/sentry/android/core/performance/AppStartMetrics$AppStartType : java/lang/Enum {
@@ -781,6 +794,10 @@ public final class io/sentry/android/core/performance/AppStartMetrics$AppStartTy
 	public static fun values ()[Lio/sentry/android/core/performance/AppStartMetrics$AppStartType;
 }
 
+public abstract interface class io/sentry/android/core/performance/AppStartMetrics$HeadlessAppStartListener {
+	public abstract fun onHeadlessAppStart ()V
+}
+
 public class io/sentry/android/core/performance/TimeSpan : java/lang/Comparable {
 	public fun <init> ()V
 	public fun compareTo (Lio/sentry/android/core/performance/TimeSpan;)I