You have reached the perfect location if you’ve run across the “Flutter Member not found: FirebaseAppPlatform.verifyExtends” issue in Android and Flutter mobile App development . We are here to walk you through each step of fixing this issue. We’ll talk about the following topics in this article:
#How to set up Firebase in Flutter
#What Causes This Error?
“Flutter Member not found: FirebaseAppPlatform.verifyExtends“
When you integrating Firebase and you have upgraded your Flutter plugins, this problem frequently occurs. Unfortunately, it could initially appear a little confusing because there isn’t an obvious reason why it happens. There is no need to panic, though, as we can deal with this situation quickly.
Error Message Look Like:
Launching lib\main.dart on sdk gphone x86 in debug mode... Warning: Mapping new ns http://schemas.android.com/repository/android/common/02 to old ns http://schemas.android.com/repository/android/common/01 Warning: Mapping new ns http://schemas.android.com/repository/android/generic/02 to old ns http://schemas.android.com/repository/android/generic/01 Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/02 to old ns http://schemas.android.com/sdk/android/repo/addon2/01 Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http://schemas.android.com/sdk/android/repo/repository2/01 Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/02 to old ns http://schemas.android.com/sdk/android/repo/sys-img2/01 /C:/flutter_windows_2.10.5-stable/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-1.24.0/lib/src/firebase_app.dart:18:25: Error: Member not found: 'FirebaseAppPlatform.verifyExtends'. FirebaseAppPlatform.verifyExtends(_delegate); ^^^^^^^^^^^^^ FAILURE: Build failed with an exception. * Where: Script 'C:\flutter_windows_2.10.5-stable\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1102 * What went wrong: Execution failed for task ':app:compileFlutterBuildDebug'. > Process 'command 'C:\flutter_windows_2.10.5-stable\flutter\bin\flutter.bat'' finished with non-zero exit value 1 * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights. * Get more help at https://help.gradle.org BUILD FAILED in 1m 26s Exception: Gradle task assembleDebug failed with exit code 1 Exited (sigterm)
#How Can This Error Be Fixed?
Follow these simple steps :
- Open your
pubspec.yamlfile. - Under the
dependenciessection, add the following lines:
firebase_core_platform_interface: 4.5.1
firebase_messaging: ^13.0.4- After adding these lines, save the
pubspec.yamlfile. - Next, run the following commands in your project directory:
flutterclean- flutter pub get
flutter pub upgrade
- Finally, run your app again.