File I/O on main thread

CHANGELOG.md

@@ -7,6 +7,7 @@
 - Add time-to-initial-display span to Activity transactions ([#2369](https://github.com/getsentry/sentry-java/pull/2369))
 - Start a session after init if AutoSessionTracking is enabled ([#2356](https://github.com/getsentry/sentry-java/pull/2356))
 - Provide automatic breadcrumbs and transactions for click/scroll events for Compose ([#2390](https://github.com/getsentry/sentry-java/pull/2390))
+- Add `blocked_main_thread` and `call_stack` to File I/O spans to detect performance issues ([#2382](https://github.com/getsentry/sentry-java/pull/2382))
 
 ### Dependencies
 

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

@@ -5,7 +5,7 @@
 import androidx.core.app.FrameMetricsAggregator;
 import io.sentry.MeasurementUnit;
 import io.sentry.SentryLevel;
-import io.sentry.android.core.internal.util.MainThreadChecker;
+import io.sentry.android.core.internal.util.AndroidMainThreadChecker;
 import io.sentry.protocol.MeasurementValue;
 import io.sentry.protocol.SentryId;
 import java.util.HashMap;
@@ -208,7 +208,7 @@ public synchronized void stop() {
 
   private void runSafelyOnUiThread(final Runnable runnable, final String tag) {
     try {
-      if (MainThreadChecker.isMainThread()) {
+      if (AndroidMainThreadChecker.getInstance().isMainThread()) {
         runnable.run();
       } else {
         handler.post(

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

@@ -14,6 +14,7 @@
 import io.sentry.android.core.cache.AndroidEnvelopeCache;
 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.core.internal.util.SentryFrameMetricsCollector;
 import io.sentry.android.fragment.FragmentLifecycleIntegration;
 import io.sentry.android.timber.SentryTimberIntegration;
@@ -154,6 +155,7 @@ static void initializeIntegrationsAndProcessors(
       }
       options.setGestureTargetLocators(gestureTargetLocators);
     }
+    options.setMainThreadChecker(AndroidMainThreadChecker.getInstance());
   }
 
   private static void installDefaultIntegrations(

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

@@ -5,7 +5,7 @@
 import io.sentry.Integration;
 import io.sentry.SentryLevel;
 import io.sentry.SentryOptions;
-import io.sentry.android.core.internal.util.MainThreadChecker;
+import io.sentry.android.core.internal.util.AndroidMainThreadChecker;
 import io.sentry.util.Objects;
 import java.io.Closeable;
 import java.io.IOException;
@@ -56,7 +56,7 @@ public void register(final @NotNull IHub hub, final @NotNull SentryOptions optio
       try {
         Class.forName("androidx.lifecycle.DefaultLifecycleObserver");
         Class.forName("androidx.lifecycle.ProcessLifecycleOwner");
-        if (MainThreadChecker.isMainThread()) {
+        if (AndroidMainThreadChecker.getInstance().isMainThread()) {
           addObserver(hub);
         } else {
           // some versions of the androidx lifecycle-process require this to be executed on the main
@@ -115,7 +115,7 @@ private void removeObserver() {
   @Override
   public void close() throws IOException {
     if (watcher != null) {
-      if (MainThreadChecker.isMainThread()) {
+      if (AndroidMainThreadChecker.getInstance().isMainThread()) {
         removeObserver();
       } else {
         // some versions of the androidx lifecycle-process require this to be executed on the main

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

@@ -26,9 +26,9 @@
 import io.sentry.SentryBaseEvent;
 import io.sentry.SentryEvent;
 import io.sentry.SentryLevel;
+import io.sentry.android.core.internal.util.AndroidMainThreadChecker;
 import io.sentry.android.core.internal.util.ConnectivityChecker;
 import io.sentry.android.core.internal.util.DeviceOrientations;
-import io.sentry.android.core.internal.util.MainThreadChecker;
 import io.sentry.android.core.internal.util.RootChecker;
 import io.sentry.protocol.App;
 import io.sentry.protocol.Device;
@@ -217,7 +217,7 @@ private void setThreads(final @NotNull SentryEvent event) {
     if (event.getThreads() != null) {
       for (SentryThread thread : event.getThreads()) {
         if (thread.isCurrent() == null) {
-          thread.setCurrent(MainThreadChecker.isMainThread(thread));
+          thread.setCurrent(AndroidMainThreadChecker.getInstance().isMainThread(thread));
         }
       }
     }

sentry-android-core/src/main/java/io/sentry/android/core/internal/util/AndroidMainThreadChecker.java

@@ -0,0 +1,23 @@
+package io.sentry.android.core.internal.util;
+
+import android.os.Looper;
+import io.sentry.util.thread.IMainThreadChecker;
+import org.jetbrains.annotations.ApiStatus;
+
+/** Class that checks if a given thread is the Android Main/UI thread */
+@ApiStatus.Internal
+public final class AndroidMainThreadChecker implements IMainThreadChecker {
+
+  private static final AndroidMainThreadChecker instance = new AndroidMainThreadChecker();
+
+  public static AndroidMainThreadChecker getInstance() {
+    return instance;
+  }
+
+  private AndroidMainThreadChecker() {}
+
+  @Override
+  public boolean isMainThread(final long threadId) {
+    return Looper.getMainLooper().getThread().getId() == threadId;
+  }
+}

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

@@ -9,6 +9,7 @@ import io.sentry.MainEventProcessor
 import io.sentry.SentryOptions
 import io.sentry.android.core.cache.AndroidEnvelopeCache
 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.timber.SentryTimberIntegration
 import org.junit.runner.RunWith
@@ -447,4 +448,11 @@ class AndroidOptionsInitializerTest {
 
         assertTrue { fixture.sentryOptions.modulesLoader is AssetsModulesLoader }
     }
+
+    @Test
+    fun `AndroidMainThreadChecker is set to options`() {
+        fixture.initSut()
+
+        assertTrue { fixture.sentryOptions.mainThreadChecker is AndroidMainThreadChecker }
+    }
 }

sentry-android-core/src/test/java/io/sentry/android/core/internal/util/MainThreadCheckerTest.kt → sentry-android-core/src/test/java/io/sentry/android/core/internal/util/AndroidMainThreadCheckerTest.kt

@@ -8,23 +8,23 @@ import kotlin.test.assertFalse
 import kotlin.test.assertTrue
 
 @RunWith(AndroidJUnit4::class)
-class MainThreadCheckerTest {
+class AndroidMainThreadCheckerTest {
 
     @Test
     fun `When calling isMainThread from the same thread, it should return true`() {
-        assertTrue(MainThreadChecker.isMainThread())
+        assertTrue(AndroidMainThreadChecker.getInstance().isMainThread)
     }
 
     @Test
     fun `When calling isMainThread with the current thread, it should return true`() {
         val thread = Thread.currentThread()
-        assertTrue(MainThreadChecker.isMainThread(thread))
+        assertTrue(AndroidMainThreadChecker.getInstance().isMainThread(thread))
     }
 
     @Test
     fun `When calling isMainThread from a different thread, it should return false`() {
         val thread = Thread()
-        assertFalse(MainThreadChecker.isMainThread(thread))
+        assertFalse(AndroidMainThreadChecker.getInstance().isMainThread(thread))
     }
 
     @Test
@@ -33,7 +33,7 @@ class MainThreadCheckerTest {
         val sentryThread = SentryThread().apply {
             id = thread.id
         }
-        assertTrue(MainThreadChecker.isMainThread(sentryThread))
+        assertTrue(AndroidMainThreadChecker.getInstance().isMainThread(sentryThread))
     }
 
     @Test
@@ -42,6 +42,6 @@ class MainThreadCheckerTest {
         val sentryThread = SentryThread().apply {
             id = thread.id
         }
-        assertFalse(MainThreadChecker.isMainThread(sentryThread))
+        assertFalse(AndroidMainThreadChecker.getInstance().isMainThread(sentryThread))
     }
 }

sentry-samples/sentry-samples-android/proguard-rules.pro

@@ -16,7 +16,6 @@
 # https://developer.android.com/studio/build/shrink-code#decode-stack-trace
 -keepattributes LineNumberTable,SourceFile
 
-
 # For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
 -keepclasseswithmembernames,includedescriptorclasses class * {
     native <methods>;

sentry-samples/sentry-samples-android/src/main/java/io/sentry/samples/android/MainActivity.java

@@ -8,6 +8,7 @@
 import io.sentry.MeasurementUnit;
 import io.sentry.Sentry;
 import io.sentry.UserFeedback;
+import io.sentry.instrumentation.file.SentryFileOutputStream;
 import io.sentry.protocol.SentryId;
 import io.sentry.protocol.User;
 import io.sentry.samples.android.compose.ComposeActivity;
@@ -78,7 +79,7 @@ protected void onCreate(Bundle savedInstanceState) {
         view -> {
           String fileName = Calendar.getInstance().getTimeInMillis() + "_file.txt";
           File file = getApplication().getFileStreamPath(fileName);
-          try (final FileOutputStream fileOutputStream = new FileOutputStream(file);
+          try (final FileOutputStream fileOutputStream = new SentryFileOutputStream(file);
               final OutputStreamWriter outputStreamWriter =
                   new OutputStreamWriter(fileOutputStream);
               final Writer writer = new BufferedWriter(outputStreamWriter)) {

sentry-samples/sentry-samples-android/src/main/java/io/sentry/samples/android/ThirdFragment.kt

@@ -12,6 +12,9 @@ import retrofit2.Response
 class ThirdFragment : Fragment(R.layout.third_fragment) {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        view.findViewById<View>(R.id.third_button).setOnClickListener {
+            throw RuntimeException("Test")
+        }
         val span = Sentry.getSpan()
         val child = span?.startChild("calc")
 

sentry-samples/sentry-samples-android/src/main/res/layout/third_fragment.xml

@@ -4,6 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
     <Button
+      android:id="@+id/third_button"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/tap_me"/>

sentry/api/sentry.api

@@ -1130,6 +1130,7 @@ public abstract class io/sentry/SentryBaseEvent {
 	public fun addBreadcrumb (Ljava/lang/String;)V
 	public fun getBreadcrumbs ()Ljava/util/List;
 	public fun getContexts ()Lio/sentry/protocol/Contexts;
+	public fun getDebugMeta ()Lio/sentry/protocol/DebugMeta;
 	public fun getDist ()Ljava/lang/String;
 	public fun getEnvironment ()Ljava/lang/String;
 	public fun getEventId ()Lio/sentry/protocol/SentryId;
@@ -1146,6 +1147,7 @@ public abstract class io/sentry/SentryBaseEvent {
 	public fun removeExtra (Ljava/lang/String;)V
 	public fun removeTag (Ljava/lang/String;)V
 	public fun setBreadcrumbs (Ljava/util/List;)V
+	public fun setDebugMeta (Lio/sentry/protocol/DebugMeta;)V
 	public fun setDist (Ljava/lang/String;)V
 	public fun setEnvironment (Ljava/lang/String;)V
 	public fun setEventId (Lio/sentry/protocol/SentryId;)V
@@ -1170,6 +1172,7 @@ public final class io/sentry/SentryBaseEvent$Deserializer {
 public final class io/sentry/SentryBaseEvent$JsonKeys {
 	public static final field BREADCRUMBS Ljava/lang/String;
 	public static final field CONTEXTS Ljava/lang/String;
+	public static final field DEBUG_META Ljava/lang/String;
 	public static final field DIST Ljava/lang/String;
 	public static final field ENVIRONMENT Ljava/lang/String;
 	public static final field EVENT_ID Ljava/lang/String;
@@ -1290,7 +1293,6 @@ public final class io/sentry/SentryEvent : io/sentry/SentryBaseEvent, io/sentry/
 	public fun <init> ()V
 	public fun <init> (Ljava/lang/Throwable;)V
 	public fun <init> (Ljava/util/Date;)V
-	public fun getDebugMeta ()Lio/sentry/protocol/DebugMeta;
 	public fun getExceptions ()Ljava/util/List;
 	public fun getFingerprints ()Ljava/util/List;
 	public fun getLevel ()Lio/sentry/SentryLevel;
@@ -1305,7 +1307,6 @@ public final class io/sentry/SentryEvent : io/sentry/SentryBaseEvent, io/sentry/
 	public fun isErrored ()Z
 	public fun removeModule (Ljava/lang/String;)V
 	public fun serialize (Lio/sentry/JsonObjectWriter;Lio/sentry/ILogger;)V
-	public fun setDebugMeta (Lio/sentry/protocol/DebugMeta;)V
 	public fun setExceptions (Ljava/util/List;)V
 	public fun setFingerprints (Ljava/util/List;)V
 	public fun setLevel (Lio/sentry/SentryLevel;)V
@@ -1325,7 +1326,6 @@ public final class io/sentry/SentryEvent$Deserializer : io/sentry/JsonDeserializ
 }
 
 public final class io/sentry/SentryEvent$JsonKeys {
-	public static final field DEBUG_META Ljava/lang/String;
 	public static final field EXCEPTION Ljava/lang/String;
 	public static final field FINGERPRINT Ljava/lang/String;
 	public static final field LEVEL Ljava/lang/String;
@@ -1402,6 +1402,7 @@ public class io/sentry/SentryOptions {
 	public fun getInstrumenter ()Lio/sentry/Instrumenter;
 	public fun getIntegrations ()Ljava/util/List;
 	public fun getLogger ()Lio/sentry/ILogger;
+	public fun getMainThreadChecker ()Lio/sentry/util/thread/IMainThreadChecker;
 	public fun getMaxAttachmentSize ()J
 	public fun getMaxBreadcrumbs ()I
 	public fun getMaxCacheItems ()I
@@ -1488,6 +1489,7 @@ public class io/sentry/SentryOptions {
 	public fun setIdleTimeout (Ljava/lang/Long;)V
 	public fun setInstrumenter (Lio/sentry/Instrumenter;)V
 	public fun setLogger (Lio/sentry/ILogger;)V
+	public fun setMainThreadChecker (Lio/sentry/util/thread/IMainThreadChecker;)V
 	public fun setMaxAttachmentSize (J)V
 	public fun setMaxBreadcrumbs (I)V
 	public fun setMaxCacheItems (I)V
@@ -1577,6 +1579,12 @@ public final class io/sentry/SentrySpanStorage {
 	public fun store (Ljava/lang/String;Lio/sentry/ISpan;)V
 }
 
+public final class io/sentry/SentryStackTraceFactory {
+	public fun <init> (Ljava/util/List;Ljava/util/List;)V
+	public fun getInAppCallStack ()Ljava/util/List;
+	public fun getStackFrames ([Ljava/lang/StackTraceElement;)Ljava/util/List;
+}
+
 public final class io/sentry/SentryTraceHeader {
 	public static final field SENTRY_TRACE_HEADER Ljava/lang/String;
 	public fun <init> (Lio/sentry/protocol/SentryId;Lio/sentry/SpanId;Ljava/lang/Boolean;)V
@@ -3411,6 +3419,7 @@ public abstract class io/sentry/transport/TransportResult {
 }
 
 public final class io/sentry/util/CollectionUtils {
+	public static fun filterListEntries (Ljava/util/List;Lio/sentry/util/CollectionUtils$Predicate;)Ljava/util/List;
 	public static fun filterMapEntries (Ljava/util/Map;Lio/sentry/util/CollectionUtils$Predicate;)Ljava/util/Map;
 	public static fun map (Ljava/util/List;Lio/sentry/util/CollectionUtils$Mapper;)Ljava/util/List;
 	public static fun newArrayList (Ljava/util/List;)Ljava/util/List;
@@ -3523,6 +3532,24 @@ public final class io/sentry/util/StringUtils {
 	public static fun removeSurrounding (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
 }
 
+public abstract interface class io/sentry/util/thread/IMainThreadChecker {
+	public fun isMainThread ()Z
+	public abstract fun isMainThread (J)Z
+	public fun isMainThread (Lio/sentry/protocol/SentryThread;)Z
+	public fun isMainThread (Ljava/lang/Thread;)Z
+}
+
+public final class io/sentry/util/thread/MainThreadChecker : io/sentry/util/thread/IMainThreadChecker {
+	public static fun getInstance ()Lio/sentry/util/thread/MainThreadChecker;
+	public fun isMainThread (J)Z
+}
+
+public final class io/sentry/util/thread/NoOpMainThreadChecker : io/sentry/util/thread/IMainThreadChecker {
+	public fun <init> ()V
+	public static fun getInstance ()Lio/sentry/util/thread/NoOpMainThreadChecker;
+	public fun isMainThread (J)Z
+}
+
 public class io/sentry/vendor/Base64 {
 	public static final field CRLF I
 	public static final field DEFAULT I

sentry/src/main/java/io/sentry/MainEventProcessor.java

@@ -70,7 +70,7 @@ public MainEventProcessor(final @NotNull SentryOptions options) {
     return event;
   }
 
-  private void setDebugMeta(final @NotNull SentryEvent event) {
+  private void setDebugMeta(final @NotNull SentryBaseEvent event) {
     if (options.getProguardUuid() != null) {
       DebugMeta debugMeta = event.getDebugMeta();
 
@@ -134,6 +134,7 @@ private void processNonCachedEvent(final @NotNull SentryBaseEvent event) {
   public @NotNull SentryTransaction process(
       final @NotNull SentryTransaction transaction, final @NotNull Hint hint) {
     setCommons(transaction);
+    setDebugMeta(transaction);
 
     if (shouldApplyScopeData(transaction, hint)) {
       processNonCachedEvent(transaction);