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firebase

Firebase cloud messaging for push notifications

Mobile DevFix Duplicate Notifications in Flutter Android Apps

Solve duplicate notification issues in Flutter Android applications when the app is terminated. Learn causes and solutions specific to Play Store builds.

5 answers• 3 views
Mobile DevFix Kotlin Unit Error Metadata 2.1.0 vs Compiler 1.9.0 in Android Studio

Resolve 'kotlin.Unit' incompatible version error in Kotlin Android Studio after adding Firebase Cloud Messaging Java service. Upgrade Kotlin to 2.1.20, align Gradle, AGP, Java 17 for firebase messaging compatibility.

3 answers• 5 views
Mobile DevFix No Matching Client Error: Google Analytics Android Flavors

Resolve 'No matching client found' error for Google Analytics in Android apps with multiple product flavors and custom build types. Use one google-services.json with multiple clients for all variants without separate files.

1 answer• 4 views
Mobile DevDetect Android App Uninstall & Notify Server

Discover why Android apps can't directly detect uninstall or call APIs. Use server-side FCM silent pushes for reliable android app uninstall detect, with DeviceAdmin limitations, broadcasts, and best practices for server notifications.

1 answer• 5 views
Mobile DevFix Firebase 'Component auth not registered yet' Error

Resolve 'Uncaught Error: Component auth has not been registered yet' in Firebase Auth for React Native/Expo. Use initializeAuth with AsyncStorage, Metro config fixes, and singleton patterns for reliable setup.

1 answer• 2 views