Crashlytics
Crashlytics
Firebase Crashlytics is a real-time crash reporting tool that helps you track, prioritize, and fix stability issues affecting your React Native application in production.
Installing Crashlytics
bash
npm install @react-native-firebase/crashlytics
Enabling Crashlytics Collection
javascript
import crashlytics from '@react-native-firebase/crashlytics';
await crashlytics().setCrashlyticsCollectionEnabled(true);
Recording a Custom Error
javascript
try {
await processOrder();
} catch (error) {
crashlytics().recordError(error);
}
Logging Breadcrumbs
javascript
crashlytics().log('User tapped checkout button');
Setting User Identifiers
javascript
await crashlytics().setUserId(user.id);
await crashlytics().setAttribute('subscription_tier', 'premium');
Testing a Crash
javascript
crashlytics().crash(); // Forces a test crash
Viewing Crash Reports
Crash reports appear in the Firebase Console’s Crashlytics dashboard, typically within minutes, showing detailed stack traces, affected devices, and the frequency of each crash type.
Setting Up Velocity Alerts
Firebase Crashlytics can automatically alert your team when a crash rate spike is detected, helping catch critical regressions from a new release quickly.
Conclusion
Firebase Crashlytics provides essential visibility into production stability, helping React Native development teams quickly identify, prioritize, and resolve crashes affecting real users.
