🐛 [firebase_messaging] cannot find symbol FirebaseMessagingPlugin

[haliliceylan]

Bug report

Describe the bug
I followed Steps to reproduce and i get it this error

**project-path**/android/app/src/main/java/*package-name*/Application.java:18: error: cannot find symbol
      FirebaseMessagingPlugin.registerWith(registry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
      ^
  symbol:   variable FirebaseMessagingPlugin
  location: class Application
1 error

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.

* 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

Steps to reproduce

Steps to reproduce the behavior:

1. Apply this guide https://firebase.flutter.dev/docs/migration/
2. Go to and apply this fix [firebase_messaging] Application.java:18: error: incompatible types: PluginRegistry cannot be converted to FlutterEngine GeneratedPluginRegistrant.registerWith(registry); #1904
3. "flutter run"
4. See error or incorrect behavior

Expected behavior

Build application without error.

---

Additional context

Application.java content

Click To Expand

package *package-name*;

import io.flutter.app.FlutterApplication;
import io.flutter.plugin.common.PluginRegistry;
import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback;
import io.flutter.plugins.GeneratedPluginRegistrant;
import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService;

public class Application extends FlutterApplication implements PluginRegistrantCallback {
  @Override
  public void onCreate() {
    super.onCreate();
    FlutterFirebaseMessagingService.setPluginRegistrant(this);
  }

  @Override
  public void registerWith(PluginRegistry registry) {
      FirebaseMessagingPlugin.registerWith(registry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
  }
}

android/app/build.gradle content

Click To Expand

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}


apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'com.google.gms.google-services'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"


def keystoreProperties = new Properties()
def keystorePropertiesFile = rootProject.file('key.properties')
if (keystorePropertiesFile.exists()) {
    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
}
apply plugin: 'com.google.firebase.crashlytics'
android {
    compileSdkVersion 28

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "*package-name*"
        minSdkVersion 19
        targetSdkVersion 28
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        multiDexEnabled true

    }

   signingConfigs {
       release {
           keyAlias keystoreProperties['keyAlias']
           keyPassword keystoreProperties['keyPassword']
           storeFile file(keystoreProperties['storeFile'])
           storePassword keystoreProperties['storePassword']
       }
   }
   buildTypes {
       release {
           signingConfig signingConfigs.release

            minifyEnabled true
            useProguard true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
       }
   }
}

flutter {
    source '../..'
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation 'androidx.multidex:multidex:2.0.1'
    // implementation 'com.google.firebase:firebase-analytics:17.2.0'
    // testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
    implementation 'com.google.firebase:firebase-messaging:20.3.0'
}

configurations {
    all*.exclude group: 'com.google.guava', module: 'listenablefuture'
}

---

Flutter doctor

Run flutter doctor and paste the output below:

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Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 1.22.1, on Mac OS X 10.15.5 19F101, locale en-TR)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[✓] Xcode - develop for iOS and macOS (Xcode 12.0.1)
[✓] Android Studio (version 3.5)
[✓] VS Code (version 1.50.1)
[✓] Connected device (1 available)

• No issues found!

---

Flutter dependencies

Run flutter pub deps -- --style=compact and paste the output below:

Click To Expand

Dart SDK 2.10.1
Flutter SDK 1.22.1
*app-name* 1.0.68+68

dependencies:
- animations 1.1.2 [flutter]
- audioplayers 0.16.1 [uuid path_provider flutter flutter_web_plugins]
- connectivity 0.4.9+3 [flutter meta connectivity_platform_interface connectivity_macos connectivity_for_web]
- cupertino_icons 1.0.0
- device_id 0.2.0 [flutter]
- dio 3.0.10 [http_parser path]
- dotted_border 1.0.6 [flutter path_drawing]
- double_back_to_close_app 1.2.0 [flutter]
- expandable 4.1.4 [flutter]
- firebase_core 0.5.0+1 [firebase_core_platform_interface flutter quiver meta firebase_core_web]
- firebase_crashlytics 0.2.1+1 [flutter stack_trace firebase_core firebase_core_platform_interface firebase_crashlytics_platform_interface]
- firebase_database 4.1.1 [flutter firebase_core]
- firebase_messaging 7.0.3 [meta flutter firebase_core]
- firebase_performance 0.4.0+2 [flutter firebase_core]
- firebase_remote_config 0.4.0+2 [flutter firebase_core]
- flushbar 1.10.4 [flutter]
- flutter 0.0.0 [characters collection meta typed_data vector_math sky_engine]
- flutter_cupertino_date_picker 1.0.26+2 [flutter]
- flutter_facebook_login 3.0.0 [flutter collection]
- flutter_html 1.0.2 [html csslib css_colors video_player chewie webview_flutter chewie_audio flutter_svg flutter]
- flutter_inappwebview 4.0.0+4 [flutter uuid mime]
- flutter_local_notifications 2.0.0+1 [flutter platform flutter_local_notifications_platform_interface timezone]
- flutter_localizations 0.0.0 [flutter intl characters collection meta path typed_data vector_math]
- fluttertoast 7.1.1 [flutter flutter_web_plugins]
- font_awesome_flutter 8.10.0 [flutter]
- giffy_dialog 1.8.0 [flutter flare_flutter]
- google_sign_in 4.5.4 [google_sign_in_platform_interface flutter meta google_sign_in_web]
- http 0.12.2 [http_parser path pedantic]
- image 2.1.18 [archive xml meta]
- image_picker 0.6.7+11 [flutter flutter_plugin_android_lifecycle image_picker_platform_interface]
- in_app_purchase 0.3.4+12 [async collection flutter json_annotation meta]
- intl 0.16.1 [path]
- launch_review 2.0.0 [flutter]
- multi_image_picker 4.7.14 [flutter meta]
- package_info 0.4.3 [flutter]
- rate_my_app 0.7.2 [shared_preferences smooth_star_rating pedantic flutter]
- rxdart 0.24.1
- sentry 3.0.1 [http meta stack_trace usage pedantic]
- share 0.6.5+2 [meta mime flutter]
- shared_preferences 0.5.12 [meta flutter shared_preferences_platform_interface shared_preferences_linux shared_preferences_macos shared_preferences_web shared_preferences_windows]
- sign_in_with_apple 2.5.2 [meta flutter]
- smooth_star_rating 1.1.1 [flutter]
- super_tooltip 0.9.0 [flutter]
- url_launcher 5.7.2 [flutter url_launcher_platform_interface url_launcher_web url_launcher_linux url_launcher_macos url_launcher_windows]
- web_socket_channel 1.1.0 [async crypto stream_channel]

dev dependencies:
- flutter_launcher_icons 0.8.1 [image args yaml path]
- flutter_test 0.0.0 [flutter test_api path fake_async clock stack_trace vector_math async boolean_selector characters charcode collection matcher meta source_span stream_channel string_scanner term_glyph typed_data]

transitive dependencies:
- archive 2.0.13 [crypto args path]
- args 1.6.0
- async 2.5.0-nullsafety.1 [collection]
- boolean_selector 2.1.0-nullsafety.1 [source_span string_scanner]
- characters 1.1.0-nullsafety.3
- charcode 1.2.0-nullsafety.1
- chewie 0.9.10 [open_iconic_flutter video_player wakelock flutter]
- chewie_audio 1.0.0+1 [open_iconic_flutter video_player screen flutter]
- clock 1.1.0-nullsafety.1
- collection 1.15.0-nullsafety.3
- connectivity_for_web 0.3.1+2 [connectivity_platform_interface flutter_web_plugins flutter]
- connectivity_macos 0.1.0+5 [flutter]
- connectivity_platform_interface 1.0.6 [flutter meta plugin_platform_interface]
- convert 2.1.1 [charcode typed_data]
- crypto 2.1.5 [collection convert typed_data]
- css_colors 1.0.2 [flutter]
- csslib 0.16.2 [source_span]
- fake_async 1.2.0-nullsafety.1 [clock collection]
- ffi 0.1.3
- file 5.2.1 [intl meta path]
- firebase 7.3.0 [http http_parser js]
- firebase_core_platform_interface 2.0.0 [flutter meta plugin_platform_interface quiver]
- firebase_core_web 0.2.0 [firebase firebase_core_platform_interface flutter flutter_web_plugins meta js]
- firebase_crashlytics_platform_interface 1.1.1 [flutter meta collection firebase_core plugin_platform_interface]
- flare_dart 2.3.4
- flare_flutter 2.0.6 [flutter flare_dart meta]
- flutter_local_notifications_platform_interface 2.0.0 [flutter plugin_platform_interface]
- flutter_plugin_android_lifecycle 1.0.11 [flutter]
- flutter_svg 0.18.1 [path_drawing xml vector_math meta flutter]
- flutter_web_plugins 0.0.0 [flutter characters collection meta typed_data vector_math]
- google_sign_in_platform_interface 1.1.2 [flutter meta quiver]
- google_sign_in_web 0.9.2 [google_sign_in_platform_interface flutter flutter_web_plugins meta js]
- html 0.14.0+4 [csslib source_span]
- http_parser 3.1.4 [charcode collection source_span string_scanner typed_data]
- image_picker_platform_interface 1.1.1 [flutter meta http plugin_platform_interface]
- js 0.6.2
- json_annotation 3.1.0
- matcher 0.12.10-nullsafety.1 [stack_trace]
- meta 1.3.0-nullsafety.3
- mime 0.9.7
- open_iconic_flutter 0.3.0 [flutter]
- path 1.8.0-nullsafety.1
- path_drawing 0.4.1+1 [vector_math meta path_parsing flutter]
- path_parsing 0.1.4 [vector_math meta]
- path_provider 1.6.18 [flutter path_provider_platform_interface path_provider_macos path_provider_linux path_provider_windows]
- path_provider_linux 0.0.1+2 [path xdg_directories path_provider_platform_interface flutter]
- path_provider_macos 0.0.4+4 [flutter]
- path_provider_platform_interface 1.0.3 [flutter meta platform plugin_platform_interface]
- path_provider_windows 0.0.4+1 [path_provider_platform_interface meta path flutter ffi win32]
- pedantic 1.9.2 [meta]
- petitparser 3.1.0 [meta]
- platform 2.2.1
- plugin_platform_interface 1.0.3 [meta]
- process 3.0.13 [file intl meta path platform]
- quiver 2.1.3 [matcher meta]
- screen 0.0.5 [flutter]
- shared_preferences_linux 0.0.2+2 [file flutter meta path path_provider_linux shared_preferences_platform_interface]
- shared_preferences_macos 0.0.1+10 [shared_preferences_platform_interface flutter]
- shared_preferences_platform_interface 1.0.4 [meta flutter]
- shared_preferences_web 0.1.2+7 [shared_preferences_platform_interface flutter flutter_web_plugins meta]
- shared_preferences_windows 0.0.1+1 [shared_preferences_platform_interface flutter ffi file meta path path_provider_platform_interface path_provider_windows]
- sky_engine 0.0.99
- source_span 1.8.0-nullsafety.2 [charcode collection path term_glyph]
- stack_trace 1.10.0-nullsafety.1 [path]
- stream_channel 2.1.0-nullsafety.1 [async]
- string_scanner 1.1.0-nullsafety.1 [charcode source_span]
- term_glyph 1.2.0-nullsafety.1
- test_api 0.2.19-nullsafety.2 [async boolean_selector collection meta path source_span stack_trace stream_channel string_scanner term_glyph matcher]
- timezone 0.5.7 [path]
- typed_data 1.3.0-nullsafety.3 [collection]
- url_launcher_linux 0.0.1+1 [flutter]
- url_launcher_macos 0.0.1+8 [flutter]
- url_launcher_platform_interface 1.0.8 [flutter meta plugin_platform_interface]
- url_launcher_web 0.1.4+1 [url_launcher_platform_interface flutter flutter_web_plugins meta]
- url_launcher_windows 0.0.1+1 [flutter]
- usage 3.4.2 [path]
- uuid 2.2.2 [crypto convert]
- vector_math 2.1.0-nullsafety.3
- video_player 0.10.12+5 [meta video_player_platform_interface video_player_web flutter]
- video_player_platform_interface 2.2.0 [flutter meta]
- video_player_web 0.1.4 [flutter flutter_web_plugins meta video_player_platform_interface]
- wakelock 0.1.4+2 [flutter]
- webview_flutter 0.3.24 [flutter]
- win32 1.7.3 [ffi]
- xdg_directories 0.1.2 [meta path process]
- xml 4.5.1 [collection convert meta petitparser]
- yaml 2.2.1 [charcode collection string_scanner source_span]

---

[haliliceylan]

i forgot import keyword, i open in android studio and imported now seems ok.

[erayhamurlu]

i have same problem, how did you fixed?