Flutter analytics integration

First, set up a Firebase project

Flutter: create a Firebase project

Config firebase_analytics

https://pub.dev/packages/firebase_analytics

• Update dependencies

dependencies:
  firebase_core: ^0.5.0
  firebase_analytics: ^6.0.1

• Install it via pub get
• Need to update Android configs

1. Update android/build.gradle
buildscript {
    ext.kotlin_version = '1.3.61'
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.5.3'
        classpath 'com.google.gms:google-services:4.3.4'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

2. Update android/app/build.gradle.

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation 'com.google.firebase:firebase-analytics:17.5.0'
}

apply plugin: 'com.google.gms.google-services'

• Use it in Dart

class MyApp extends StatelessWidget {
  static FirebaseAnalytics analytics = FirebaseAnalytics();
  static FirebaseAnalyticsObserver observer =
      FirebaseAnalyticsObserver(analytics: analytics);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Firebase Analytics Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      navigatorObservers: <NavigatorObserver>[observer],
      home: MyHomePage(
        title: 'Firebase Analytics Demo',
        analytics: analytics,
        observer: observer,
      ),
    );
  }
}

Note: remember to use only the FirebaseAnalytics instance.

• Example of log event

await analytics.logEvent(
      name: 'test_event',
      parameters: <String, dynamic>{
        'string': 'string',
        'int': 42,
        'long': 12345678910,
        'double': 42.0,
        'bool': true,
      },
    );

• Run the app and wait for Firebase collects data, it may take a few hours.
• Open Firebase console, Analytics -> Dashboard

• More example: https://pub.dev/documentation/firebase_analytics/latest/

https://medium.com/p/768ae76a8077

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