Crashlytics installation for Flutter

My app runs Flutter on Android. I want to add Crashlytics, so I follow the instructions here.

As pre-requisites, I have installed the Firebase CLI and Flutterfire.

Step 1 of the instructions has 3 sub-steps, which I followed:

1. I ran the following 2 commands:

flutter pub add firebase_crashlytics
flutter pub add firebase_analytics

2. I ran flutterfire configure successfully.

Among other things, this command added the plugin com.google.firebase.crashlytics to my Gradle configuration

3. I run flutter run, but I am getting an error (see below)

After running those steps, my gradle configuration looks like that:

// android/build.gradle.kts
allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
rootProject.layout.buildDirectory.value(newBuildDir)

subprojects {
    val newSubprojectBuildDir: Directory = newBuildDir.dir(project.name)
    project.layout.buildDirectory.value(newSubprojectBuildDir)
}
subprojects {
    project.evaluationDependsOn(":app")
}

tasks.register<Delete>("clean") {
    delete(rootProject.layout.buildDirectory)
}

// android/settings/gradle.kts
pluginManagement {
    val flutterSdkPath = run {
        val properties = java.util.Properties()
        file("local.properties").inputStream().use { properties.load(it) }
        val flutterSdkPath = properties.getProperty("flutter.sdk")
        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
        flutterSdkPath
    }

    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")

    repositories {
        google()
        mavenCentral()
        gradlePluginPortal()
    }
}

plugins {
    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
    id("com.android.application") version "8.9.0" apply false
    id("org.jetbrains.kotlin.android") version "2.1.20" apply false
    id("com.google.gms.google-services") version "4.4.2" apply false
}

include(":app")

// app/build.gradle.kts
plugins {
    id("com.android.application")
    // START: FlutterFire Configuration
    id("com.google.gms.google-services")
    id("com.google.firebase.crashlytics")
    // END: FlutterFire Configuration
    id("kotlin-android")
    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
    id("dev.flutter.flutter-gradle-plugin")
}

android {
    namespace = "com.me.myproject"
    compileSdk = flutter.compileSdkVersion
    ndkVersion = "27.0.12077973"

    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }

    kotlinOptions {
        jvmTarget = JavaVersion.VERSION_17.toString()
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId = "com.me.myproject"
        // You can update the following values to match your application needs.
        // For more information, see: https://flutter.dev/to/review-gradle-config.
        minSdk = flutter.minSdkVersion
        targetSdk = flutter.targetSdkVersion
        versionCode = flutter.versionCode
        versionName = flutter.versionName
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig = signingConfigs.getByName("debug")
        }
    }
}

flutter {
    source = "../.."
}

The problem is that when I attempt to run my app, I get the following error message:

Launching lib\main.dart on sdk gphone64 x86 64 in debug mode...

FAILURE: Build failed with an exception.

* Where:
Build file 'C:\Users\me\Dev\seed\android\app\build.gradle.kts' line: 1

* What went wrong:
Plugin [id: 'com.google.firebase.crashlytics'] was not found in any of the following sources:

- Gradle Core Plugins (plugin is not in 'org.gradle' namespace)
- Included Builds (No included builds contain this plugin)
- Plugin Repositories (plugin dependency must include a version number for this source)

I read the instruction several times, I don't see what I have missed.

How to fix this? Thanks!

Your settings/gradle.kts plugins is missing:

id("com.google.firebase.crashlytics") version "3.0.2" apply false