Mark exceptions not handled by user as handled: false

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Enhancements
+
+- Mark exceptions not handled by user as `handled: false` ([#1535](https://github.com/getsentry/sentry-dart/pull/1535))
+
 ## 7.8.0
 
 ### Enhancements

dart/lib/src/run_zoned_guarded_integration.dart

@@ -44,8 +44,8 @@ class RunZonedGuardedIntegration extends Integration<SentryOptions> {
       stackTrace: stackTrace,
     );
 
-    // runZonedGuarded doesn't crash the App.
-    final mechanism = Mechanism(type: 'runZonedGuarded', handled: true);
+    // runZonedGuarded doesn't crash the app, but is not handled by the user.
+    final mechanism = Mechanism(type: 'runZonedGuarded', handled: false);
     final throwableMechanism = ThrowableMechanism(mechanism, exception);
 
     final event = SentryEvent(

dart/lib/src/sentry_isolate.dart

@@ -69,9 +69,10 @@ class SentryIsolate {
             stackTrace == null ? null : StackTrace.fromString(stackTrace),
       );
 
-      //  Isolate errors don't crash the App.
-      final mechanism = Mechanism(type: 'isolateError', handled: true);
+      //  Isolate errors don't crash the app, but is not handled by the user.
+      final mechanism = Mechanism(type: 'isolateError', handled: false);
       final throwableMechanism = ThrowableMechanism(mechanism, throwable);
+
       final event = SentryEvent(
         throwable: throwableMechanism,
         level: SentryLevel.fatal,

flutter/lib/src/integrations/flutter_error_integration.dart

@@ -54,11 +54,8 @@ class FlutterErrorIntegration implements Integration<SentryFlutterOptions> {
           stackTrace: errorDetails.stack,
         );
 
-        // FlutterError doesn't crash the App.
-        final mechanism = Mechanism(
-          type: 'FlutterError',
-          handled: true,
-        );
+        // FlutterError doesn't crash the app, but is not handled by the user.
+        final mechanism = Mechanism(type: 'FlutterError', handled: false);
         final throwableMechanism = ThrowableMechanism(mechanism, exception);
 
         var event = SentryEvent(

flutter/test/integrations/flutter_error_integration_test.dart

@@ -70,7 +70,7 @@ void main() {
 
       final throwableMechanism = event.throwableMechanism as ThrowableMechanism;
       expect(throwableMechanism.mechanism.type, 'FlutterError');
-      expect(throwableMechanism.mechanism.handled, true);
+      expect(throwableMechanism.mechanism.handled, false);
       expect(throwableMechanism.throwable, exception);
 
       expect(event.contexts['flutter_error_details']['library'], 'sentry');
@@ -102,7 +102,7 @@ void main() {
 
       final throwableMechanism = event.throwableMechanism as ThrowableMechanism;
       expect(throwableMechanism.mechanism.type, 'FlutterError');
-      expect(throwableMechanism.mechanism.handled, true);
+      expect(throwableMechanism.mechanism.handled, false);
 
       expect(event.contexts['flutter_error_details']['library'], 'sentry');
       expect(event.contexts['flutter_error_details']['context'],
@@ -126,7 +126,7 @@ void main() {
 
       final throwableMechanism = event.throwableMechanism as ThrowableMechanism;
       expect(throwableMechanism.mechanism.type, 'FlutterError');
-      expect(throwableMechanism.mechanism.handled, true);
+      expect(throwableMechanism.mechanism.handled, false);
       expect(throwableMechanism.mechanism.data['hint'], isNull);
 
       expect(event.contexts['flutter_error_details'], isNull);