feat(feedback): implement shake gesture detection#5150
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Adds SentryShakeDetector (accelerometer-based) and ShakeDetectionIntegration that shows the feedback dialog when a shake is detected. Controlled by SentryFeedbackOptions.useShakeGesture (default false). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Semver Impact of This PR🟡 Minor (new features) 📋 Changelog PreviewThis is how your changes will appear in the changelog. New Features ✨
🤖 This preview updates automatically when you update the PR. |
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Performance metrics 🚀
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| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| 91bb874 | 314.47 ms | 440.00 ms | 125.53 ms |
| dba088c | 333.98 ms | 381.16 ms | 47.18 ms |
| d15471f | 310.66 ms | 368.19 ms | 57.53 ms |
| bbc35bb | 298.53 ms | 372.17 ms | 73.64 ms |
| d15471f | 307.28 ms | 381.85 ms | 74.57 ms |
| ad8da22 | 362.98 ms | 453.94 ms | 90.96 ms |
| cf708bd | 408.35 ms | 458.98 ms | 50.63 ms |
| 96449e8 | 361.30 ms | 423.39 ms | 62.09 ms |
| 27d7cf8 | 309.43 ms | 364.27 ms | 54.85 ms |
| 91bb874 | 311.00 ms | 363.47 ms | 52.47 ms |
App size
| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| 91bb874 | 1.58 MiB | 2.13 MiB | 559.07 KiB |
| dba088c | 1.58 MiB | 2.13 MiB | 558.99 KiB |
| d15471f | 1.58 MiB | 2.13 MiB | 559.54 KiB |
| bbc35bb | 1.58 MiB | 2.12 MiB | 553.01 KiB |
| d15471f | 1.58 MiB | 2.13 MiB | 559.54 KiB |
| ad8da22 | 1.58 MiB | 2.29 MiB | 719.83 KiB |
| cf708bd | 1.58 MiB | 2.11 MiB | 539.71 KiB |
| 96449e8 | 1.58 MiB | 2.11 MiB | 539.35 KiB |
| 27d7cf8 | 1.58 MiB | 2.12 MiB | 549.42 KiB |
| 91bb874 | 1.58 MiB | 2.13 MiB | 559.07 KiB |
Previous results on branch: antonis/feedback-shake
Startup times
| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| 2052d5f | 331.52 ms | 401.71 ms | 70.19 ms |
| a1a1e57 | 323.92 ms | 367.22 ms | 43.31 ms |
| ba57364 | 317.45 ms | 360.35 ms | 42.90 ms |
App size
| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| 2052d5f | 1.58 MiB | 2.29 MiB | 726.85 KiB |
| a1a1e57 | 1.58 MiB | 2.29 MiB | 727.28 KiB |
| ba57364 | 1.58 MiB | 2.29 MiB | 727.15 KiB |
- Add volatile/AtomicLong for thread-safe cross-thread field access - Use SystemClock.elapsedRealtime() instead of System.currentTimeMillis() - Use SENSOR_DELAY_NORMAL for better battery efficiency - Add multi-shake counting (2+ threshold crossings within 1.5s window) - Handle deferred init for already-resumed activities - Wrap showDialog() in try-catch to prevent app crashes - Improve activity transition handling in onActivityPaused - Mark SentryShakeDetector as @ApiStatus.Internal - Add unit tests for SentryShakeDetector and ShakeDetectionIntegration Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
sentry-android-core/src/main/java/io/sentry/android/core/ShakeDetectionIntegration.java
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… shakes Track dialog visibility with an isDialogShowing flag that is set before showing and cleared via the onFormClose callback when the dialog is dismissed. Double-checked on both sensor and UI threads to avoid races. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
sentry-android-core/src/main/java/io/sentry/android/core/ShakeDetectionIntegration.java
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sentry-android-core/src/main/java/io/sentry/android/core/ShakeDetectionIntegration.java
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… growth Save the user's original onFormClose once during register() and restore it after each dialog dismiss, instead of wrapping it with a new lambda each time. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
sentry-android-core/src/main/java/io/sentry/android/core/ShakeDetectionIntegration.java
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…ck flag If showDialog silently fails (e.g. activity destroyed between post and execution), isDialogShowing would stay true forever, permanently disabling shake-to-feedback. Reset it in onActivityPaused since the dialog cannot outlive its host activity. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
sentry-android-core/src/main/java/io/sentry/android/core/ShakeDetectionIntegration.java
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…ActivityDestroyed AlertDialog survives pause/resume cycles (e.g. screen off/on), so resetting isDialogShowing in onActivityPaused allowed duplicate dialogs. Move the reset to onActivityDestroyed where the dialog truly cannot survive. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Cursor Bugbot has reviewed your changes and found 2 potential issues.
Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.
sentry-android-core/src/main/java/io/sentry/android/core/ShakeDetectionIntegration.java
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sentry-android-core/src/main/java/io/sentry/android/core/ShakeDetectionIntegration.java
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…back on error - Only reset isDialogShowing in onActivityDestroyed when it's the activity that hosts the dialog, not any unrelated activity. - Restore originalOnFormClose in the catch block when showDialog throws. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
| import org.jetbrains.annotations.Nullable; | ||
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| /** | ||
| * Detects shake gestures and shows the user feedback dialog when a shake is detected. Only active |
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I know the end goal is to add this to improve user feedback, but the way it is, it's doing nothing related to user feedback.
Might be a good idea to rename this to FeedbackShakeIntegration so the name of it self explains the usage of it, instead of leaving it generic, what do you think?
| (Application) context, buildInfoProvider, activityFramesTracker)); | ||
| options.addIntegration(new ActivityBreadcrumbsIntegration((Application) context)); | ||
| options.addIntegration(new UserInteractionIntegration((Application) context, loadClass)); | ||
| options.addIntegration(new ShakeDetectionIntegration((Application) context)); |
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Q: is it possible to only add when useShakeGesture is set to true?
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📜 Description
Implements shake gesture detection for the user feedback form. When
useShakeGestureis enabled inSentryFeedbackOptions, shaking the device opens the feedback form.The implementation uses the device's accelerometer (via
SensorManager) with a 2.7G threshold and 1-second cooldown. A newShakeDetectionIntegrationregisters lifecycle callbacks to start/stop the detector when the activity resumes/pauses.Note: this is exposed to be used on React Native too getsentry/sentry-react-native#5754
💡 Motivation and Context
The
useShakeGestureproperty already existed inSentryFeedbackOptionsbut was never wired up. This PR implements the feature. The implementation is placed here (sentry-java) rather than in each SDK separately so it can be reused by all SDKs that embed the feedback UI (React Native, Flutter, .NET MAUI, Unity).No special permissions are required —
TYPE_ACCELEROMETERis not a protected sensor. OnlyBODY_SENSORSrequires a permission.💚 How did you test it?
SentryShakeDetectorandShakeDetectionIntegration📝 Checklist
sendDefaultPIIis enabled.🔮 Next steps
sentry-react-native will remove its own
RNSentryShakeDetectorand delegate to this class instead.