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| # Embrace SDK for Flutter | ||
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| In addition to installing the SDK, you'll need to create an Embrace login to see data in our [dashboard](https://dash.embrace.io/). | ||
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| # Integration | ||
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| ## Dart setup | ||
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| Add the Embrace package to your `pubspec.yaml`. | ||
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| ```sh | ||
| flutter pub add embrace | ||
| ``` | ||
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| Wrap the entire contents of your Dart’s main function in `Embrace.instance.start()`. It is essential to wrap the entire contents of `main()` if you want Embrace to capture Dart errors. | ||
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| ```dart | ||
| Future<void> main() async { | ||
| await Embrace.instance.start(() => runApp(const MyApp())); | ||
| } | ||
| ``` | ||
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| Perform additional setup for Android & iOS as described below. | ||
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| ## iOS setup | ||
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| Add the following to `AppDelegate.m`: | ||
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| ```objective-c | ||
| #import AppDelegate.h | ||
| #import <Embrace/Embrace.h> | ||
| @implementation AppDelegate | ||
| - (BOOL)application:(UIApplication *) application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { | ||
| [[Embrace sharedInstance] startWithLaunchOptions:launchOptions framework:EMBAppFrameworkFlutter]; | ||
| /* | ||
| Initialize additional crash reporters and | ||
| any other libraries to track *after* Embrace, including | ||
| network libraries, 3rd party SDKs | ||
| */ | ||
| return YES; | ||
| } | ||
| @end | ||
| ``` | ||
| <details> | ||
| <summary> Swift version</summary> | ||
| ```swift | ||
| import UIKit | ||
| import Flutter | ||
| import Embrace | ||
| @UIApplicationMain | ||
| @objc class AppDelegate: FlutterAppDelegate { | ||
| override func application( | ||
| _ application: UIApplication, | ||
| didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? | ||
| ) -> Bool { | ||
| Embrace.sharedInstance().start(launchOptions: launchOptions, framework: EMBAppFramework.flutter) | ||
| /* | ||
| Initialize additional crash reporters and | ||
| any other libraries to track *after* Embrace, including | ||
| network libraries, 3rd party SDKs | ||
| */ | ||
| return super.application(application, didFinishLaunchingWithOptions: launchOptions) | ||
| } | ||
| } | ||
| ``` | ||
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| </details> | ||
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| On the Xcode Build Phase tab, add a new run script. You can find your 5-character app ID and API token in the Embrace dashboard: | ||
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| ```sh | ||
| EMBRACE_ID=YOUR_APP_ID EMBRACE_TOKEN=YOUR_API_TOKEN "${PODS_ROOT}/EmbraceIO/run.sh" | ||
| ``` | ||
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| Create the Embrace-Info.plist configuration file. You can find your 5-character app ID and API token in the Embrace dashboard: | ||
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| ```xml | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> | ||
| <plist version="1.0"> | ||
| <dict> | ||
| <key>API_KEY</key> | ||
| <string>{YOUR_APP_ID}</string> | ||
| <key>CRASH_REPORT_ENABLED</key> | ||
| <true/> | ||
| </dict> | ||
| </plist> | ||
| ``` | ||
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| ## Android setup | ||
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| In the root-level `build.gradle` Gradle file, add: | ||
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| ```gradle | ||
| buildscript { | ||
| repositories { | ||
| mavenCentral() | ||
| google() | ||
| } | ||
| dependencies { | ||
| classpath "io.embrace:embrace-swazzler:${findProject(':embrace_android').properties['emb_android_sdk']}" | ||
| } | ||
| ``` | ||
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| In the `app/build.gradle` Gradle file, add: | ||
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| ```gradle | ||
| apply plugin 'com.android.application' | ||
| apply plugin 'embrace-swazzler' | ||
| ``` | ||
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| In `app/src/main`, add a config file named `embrace-config.json`. You can find your 5-character app ID and API token in the Embrace dashboard: | ||
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| ```json | ||
| { | ||
| "app_id": "<your Embrace app ID>", | ||
| "api_token": "<your Embrace API token>", | ||
| "ndk_enabled": true | ||
| } | ||
| ``` | ||
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| In your custom Activity class like in `MyApplication.java`, add: | ||
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| ```java | ||
| import io.embrace.android.embracesdk.Embrace; | ||
| import android.app.Application; | ||
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| public final class MyApplication extends Application { | ||
| @Override | ||
| public void onCreate() { | ||
| super.onCreate(); | ||
| Embrace.getInstance().start(this, false, Embrace.AppFramework.FLUTTER); | ||
| } | ||
| } | ||
| ``` | ||
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| <details> | ||
| <summary> Kotlin version</summary> | ||
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| ```kotlin | ||
| import android.os.Bundle | ||
| import io.embrace.android.embracesdk.Embrace | ||
| import io.flutter.embedding.android.FlutterActivity | ||
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| class MainActivity: FlutterActivity() { | ||
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| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| Embrace.getInstance().start(this, false, Embrace.AppFramework.FLUTTER) | ||
| } | ||
| } | ||
| ``` | ||
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| </details> | ||
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| If you do not already have a custom `Application` class, create a new source file matching the previous step then edit your `AndroidManifest.xml` to use your new custom Application class. Make sure you edit `AndroidManifest.xml` under the main sourceSet as well as any under debug/other sourceSets: | ||
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| ```xml | ||
| <application android:name=".MyApplication"> | ||
| ``` | ||
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| ## Verify Your Integration | ||
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| Build and run your app. The Embrace Dashboard will display the following session data: | ||
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| - Views and taps | ||
| - First-party and third-party network calls (200s, 4xx, 5xx, and connection errors) with timing and call sizes | ||
| - Low memory and out-of-memory | ||
| - CPU pegging | ||
| - Low power mode | ||
| - Connectivity (Wifi, cellular, and switches between them) | ||
| - Device information (OS version, device, disk usage) | ||
| - Crashes | ||
| - User terminations | ||
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| ## Tracking navigation automatically | ||
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| The Embrace SDK can automatically log the start and end of a route by adding the `EmbraceNavigationObserver` to the navigator observers inside your app. | ||
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| ```dart | ||
| MaterialApp( | ||
| initialRoute: '/page1', | ||
| home: const Page1(), | ||
| navigatorObservers: [EmbraceNavigationObserver()], | ||
| ); | ||
| ``` | ||
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| By default it uses the name in the route settings as the tracked view name. You can customize this by adding a custom `routeSettingsExtractor` method to `EmbraceNavigationObserver`. | ||
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| ## Using in Flutter Tests | ||
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| You can verify calls to Embrace are correct in unit tests by mocking `Embrace` and setting `debugEmbraceOverride`. This will override `Embrace.instance` in your Flutter code so you are able to capture and verify any calls made to Embrace. | ||
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| ```dart | ||
| import 'package:embrace/embrace.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_test/flutter_test.dart'; | ||
| import 'package:mocktail/mocktail.dart'; | ||
| class MockEmbrace extends Mock implements Embrace {} | ||
| void main() { | ||
| testWidgets('button press add breadcrumb in Embrace', (tester) async { | ||
| final mockEmbrace = MockEmbrace(); | ||
| debugEmbraceOverride = mockEmbrace; | ||
| await tester.pumpWidget( | ||
| MaterialApp( | ||
| home: ElevatedButton( | ||
| onPressed: () { | ||
| Embrace.instance.addBreadcrumb('Button pressed'); | ||
| }, | ||
| child: const Text('Press Me!'), | ||
| ), | ||
| ), | ||
| ); | ||
| await tester.tap(find.text('Press Me!')); | ||
| verify(() => mockEmbrace.addBreadcrumb('Button pressed')).called(1); | ||
| }); | ||
| } | ||
| ``` | ||
| A package that captures telemetry and sends it to Embrace. [Please see the embrace docs for integration instructions.](https://embrace.io/docs/flutter/integration/) |