Fix Ensure app start type is set, even when ActivityLifecycleIntegration is not running

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Fixes
+
+- Fix Ensure app start type is set, even when ActivityLifecycleIntegration is not running ([#4216](https://github.com/getsentry/sentry-java/pull/4216))
+
 ## 7.22.0
 
 ### Fixes

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

@@ -447,15 +447,15 @@ public class io/sentry/android/core/performance/AppStartMetrics : io/sentry/andr
 	public static fun getInstance ()Lio/sentry/android/core/performance/AppStartMetrics;
 	public fun getSdkInitTimeSpan ()Lio/sentry/android/core/performance/TimeSpan;
 	public fun isAppLaunchedInForeground ()Z
-	public fun isColdStartValid ()Z
 	public fun onActivityCreated (Landroid/app/Activity;Landroid/os/Bundle;)V
+	public fun onActivityDestroyed (Landroid/app/Activity;)V
+	public fun onActivityStarted (Landroid/app/Activity;)V
 	public fun onAppStartSpansSent ()V
 	public static fun onApplicationCreate (Landroid/app/Application;)V
 	public static fun onApplicationPostCreate (Landroid/app/Application;)V
 	public static fun onContentProviderCreate (Landroid/content/ContentProvider;)V
 	public static fun onContentProviderPostCreate (Landroid/content/ContentProvider;)V
-	public fun registerApplicationForegroundCheck (Landroid/app/Application;)V
-	public fun restartAppStart (J)V
+	public fun registerLifecycleCallbacks (Landroid/app/Application;)V
 	public fun setAppLaunchedInForeground (Z)V
 	public fun setAppStartProfiler (Lio/sentry/ITransactionProfiler;)V
 	public fun setAppStartSamplingDecision (Lio/sentry/TracesSamplingDecision;)V

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

@@ -397,7 +397,6 @@ public synchronized void onActivityCreated(
     if (!isAllActivityCallbacksAvailable) {
       onActivityPreCreated(activity, savedInstanceState);
     }
-    setColdStart(savedInstanceState);
     if (hub != null && options != null && options.isEnableScreenTracking()) {
       final @Nullable String activityClassName = ClassUtil.getClassName(activity);
       hub.configureScope(scope -> scope.setScreen(activityClassName));
@@ -554,15 +553,13 @@ public synchronized void onActivityDestroyed(final @NotNull Activity activity) {
     // if the activity is opened again and not in memory, transactions will be created normally.
     activitiesWithOngoingTransactions.remove(activity);
 
-    if (activitiesWithOngoingTransactions.isEmpty()) {
+    if (activitiesWithOngoingTransactions.isEmpty() && !activity.isChangingConfigurations()) {
       clear();
     }
   }
 
   private void clear() {
     firstActivityCreated = false;
-    lastPausedTime = new SentryNanotimeDate(new Date(0), 0);
-    lastPausedUptimeMillis = 0;
     activityLifecycleMap.clear();
   }
 
@@ -705,27 +702,6 @@ WeakHashMap<Activity, ISpan> getTtfdSpanMap() {
     return ttfdSpanMap;
   }
 
-  private void setColdStart(final @Nullable Bundle savedInstanceState) {
-    if (!firstActivityCreated) {
-      final @NotNull TimeSpan appStartSpan = AppStartMetrics.getInstance().getAppStartTimeSpan();
-      // If the app start span already started and stopped, it means the app restarted without
-      //  killing the process, so we are in a warm start
-      // If the app has an invalid cold start, it means it was started in the background, like
-      //  via BroadcastReceiver, so we consider it a warm start
-      if ((appStartSpan.hasStarted() && appStartSpan.hasStopped())
-          || (!AppStartMetrics.getInstance().isColdStartValid())) {
-        AppStartMetrics.getInstance().restartAppStart(lastPausedUptimeMillis);
-        AppStartMetrics.getInstance().setAppStartType(AppStartMetrics.AppStartType.WARM);
-      } else {
-        AppStartMetrics.getInstance()
-            .setAppStartType(
-                savedInstanceState == null
-                    ? AppStartMetrics.AppStartType.COLD
-                    : AppStartMetrics.AppStartType.WARM);
-      }
-    }
-  }
-
   private @NotNull String getTtidDesc(final @NotNull String activityName) {
     return activityName + " initial display";
   }

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

@@ -152,7 +152,7 @@ public static synchronized void init(
               }
             }
             if (context.getApplicationContext() instanceof Application) {
-              appStartMetrics.registerApplicationForegroundCheck(
+              appStartMetrics.registerLifecycleCallbacks(
                   (Application) context.getApplicationContext());
             }
             final @NotNull TimeSpan sdkInitTimeSpan = appStartMetrics.getSdkInitTimeSpan();

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

@@ -3,17 +3,13 @@
 import static io.sentry.Sentry.APP_START_PROFILING_CONFIG_FILE_NAME;
 
 import android.annotation.SuppressLint;
-import android.app.Activity;
 import android.app.Application;
 import android.content.Context;
 import android.content.pm.ProviderInfo;
 import android.net.Uri;
 import android.os.Build;
-import android.os.Handler;
-import android.os.Looper;
 import android.os.Process;
 import android.os.SystemClock;
-import androidx.annotation.NonNull;
 import io.sentry.ILogger;
 import io.sentry.ITransactionProfiler;
 import io.sentry.JsonSerializer;
@@ -22,9 +18,7 @@
 import io.sentry.SentryLevel;
 import io.sentry.SentryOptions;
 import io.sentry.TracesSamplingDecision;
-import io.sentry.android.core.internal.util.FirstDrawDoneListener;
 import io.sentry.android.core.internal.util.SentryFrameMetricsCollector;
-import io.sentry.android.core.performance.ActivityLifecycleCallbacksAdapter;
 import io.sentry.android.core.performance.AppStartMetrics;
 import io.sentry.android.core.performance.TimeSpan;
 import java.io.BufferedReader;
@@ -33,7 +27,6 @@
 import java.io.FileNotFoundException;
 import java.io.InputStreamReader;
 import java.io.Reader;
-import java.util.concurrent.atomic.AtomicBoolean;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -185,8 +178,9 @@ private void onAppLaunched(
 
     // performance v2: Uses Process.getStartUptimeMillis()
     // requires API level 24+
-    if (buildInfoProvider.getSdkInfoVersion() < android.os.Build.VERSION_CODES.N) {
-      return;
+    if (buildInfoProvider.getSdkInfoVersion() >= android.os.Build.VERSION_CODES.N) {
+      final @NotNull TimeSpan appStartTimespan = appStartMetrics.getAppStartTimeSpan();
+      appStartTimespan.setStartedAt(Process.getStartUptimeMillis());
     }
 
     if (context instanceof Application) {
@@ -196,40 +190,6 @@ private void onAppLaunched(
       return;
     }
 
-    final @NotNull TimeSpan appStartTimespan = appStartMetrics.getAppStartTimeSpan();
-    appStartTimespan.setStartedAt(Process.getStartUptimeMillis());
-    appStartMetrics.registerApplicationForegroundCheck(app);
-
-    final AtomicBoolean firstDrawDone = new AtomicBoolean(false);
-
-    activityCallback =
-        new ActivityLifecycleCallbacksAdapter() {
-          @Override
-          public void onActivityStarted(@NonNull Activity activity) {
-            if (firstDrawDone.get()) {
-              return;
-            }
-            if (activity.getWindow() != null) {
-              FirstDrawDoneListener.registerForNextDraw(
-                  activity, () -> onAppStartDone(), buildInfoProvider);
-            } else {
-              new Handler(Looper.getMainLooper()).post(() -> onAppStartDone());
-            }
-          }
-        };
-
-    app.registerActivityLifecycleCallbacks(activityCallback);
-  }
-
-  synchronized void onAppStartDone() {
-    final @NotNull AppStartMetrics appStartMetrics = AppStartMetrics.getInstance();
-    appStartMetrics.getSdkInitTimeSpan().stop();
-    appStartMetrics.getAppStartTimeSpan().stop();
-
-    if (app != null) {
-      if (activityCallback != null) {
-        app.unregisterActivityLifecycleCallbacks(activityCallback);
-      }
-    }
+    appStartMetrics.registerLifecycleCallbacks(app);
   }
 }