Flutter Application Access¶

 $ flutter pub add ft_mobile_agent_flutter

dependencies:
  ft_mobile_agent_flutter: [lastest_version]

  # flutter 2.0 Compatible Version
  ft_mobile_agent_flutter:
    git:
      url: https://github.com/GuanceCloud/datakit-flutter.git
      ref: [github_legacy_lastest_tag]

import 'package:ft_mobile_agent_flutter/ft_mobile_agent_flutter.dart';

import io.flutter.app.FlutterApplication

/**
* If you need to track "number of launches" and "launch time," you need to add a custom Application here.
*/
class CustomApplication : FlutterApplication() {
}

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="com.cloudcare.ft.mobile.sdk.agent_example">
  <application android:name=".CustomApplication">
    //...
  </application>
</manifest>

void main() async {
    WidgetsFlutterBinding.ensureInitialized();
    //Initialization SDK
    await FTMobileFlutter.sdkConfig(
      serverUrl: serverUrl,
      debug: true,
    );
}  

 await FTRUMManager().setConfig(
        androidAppId: appAndroidId, 
        iOSAppId: appIOSId,
    );

///main_prod.dart
void main() async {
    WidgetsFlutterBinding.ensureInitialized();
    //Initialization SDK
    await FTMobileFlutter.sdkConfig(
      serverUrl: serverUrl,
      debug: true,
    );
    await FTRUMManager().setConfig(
        androidAppId: appAndroidId,
        iOSAppId: appIOSId,
        globalContext: {CUSTOM_STATIC_TAG:"prod_static_tag"},
    );
    runApp(MyApp());
  };
}

final prefs = await SharedPreferences.getInstance();
String customDynamicValue = prefs.getString("customDynamicValue")?? "not set";

 await FTRUMManager().setConfig(
        androidAppId: appAndroidId,
        iOSAppId: appIOSId,
        globalContext: {CUSTOM_DYNAMIC_TAG:customDynamicValue},
        //… Other configuration
    );

 static Future<void> setDynamicParams(String value) async{
    final prefs = await SharedPreferences.getInstance();
    prefs.setString(CUSTOM_DYNAMIC_TAG, value);
  }

 await FTLogger().logConfig(
   enableCustomLog: true
 );

await FTTracer().setConfig(
  enableLinkRUMData: true,
  enableAutoTrace:false,
  enableNativeAutoTrace: false
);

FTRUMManager().startAction("action name", "action type");

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: HomeRoute(),
      navigatorObservers: [
        //RUM View： Monitor page lifecycle when using routing for Navigation
        FTRouteObserver(),
      ],
      routes: <String, WidgetBuilder>{
        //set Router looper
        'logging': (BuildContext context) => Logging(),
        'rum': (BuildContext context) => RUM(),
        'tracing_custom': (BuildContext context) => CustomTracing(),
        'tracing_auto': (BuildContext context) => AutoTracing(),
      },
    );
  }
}

// Page navigation using this approach, with the page name as 'logging'.
Navigator.pushNamed(context, "logging");

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: HomeRoute(),
      navigatorObservers: [
        //RUM View： Monitor page lifecycle when using routing for Navigation
        FTRouteObserver(),
      ],
    );
  }
}

//View Name is NoRouteNamePage
Navigator.of(context).push(
          FTMaterialPageRoute(builder: (context) => new NoRouteNamePage()

class _HomeState extends State<HomeRoute> {

    @override
    void initState(){

        //Add Application sleep and wake-up listeners.
        FTLifeRecycleHandler().initObserver();
    }

    @override
    void dispose(){

        //Remove Application sleep and wake-up listeners.
        FTLifeRecycleHandler().removeObserver();
    }
}

FTRUMManager().createView("Current Page Name",100000000)

FTRUMManager().starView("Current Page Name");

FTRUMManager().stopView();

void main() async {
  runZonedGuarded(() async {
    WidgetsFlutterBinding.ensureInitialized();
    await FTMobileFlutter.sdkConfig(
      serverUrl: serverUrl,
      debug: true,
    );
    await FTRUMManager().setConfig(
        androidAppId: appAndroidId,
        iOSAppId: appIOSId,
    );

    // Flutter Exception Handling
    FlutterError.onError = FTRUMManager().addFlutterError;
    runApp(MyApp());
  }, (Object error, StackTrace stack) {
    //Add Error Data
    FTRUMManager().addError(error, stack);
  });

 FTRUMManager().addCustomError("error stack", "error message");

/// Using httpClient  
void httpClientGetHttp(String url) async {
    var httpClient = new HttpClient();
    String key = Uuid().v4();
    HttpClientResponse? response;
    HttpClientRequest? request;
    try {
      request = await httpClient
          .getUrl(Uri.parse(url))
          .timeout(Duration(seconds: 10));
      FTRUMManager().startResource(key);
      response = await request.close();
    } finally {
      Map<String, dynamic> requestHeader = {};
      Map<String, dynamic> responseHeader = {};

      request!.headers.forEach((name, values) {
        requestHeader[name] = values;
      });
      var responseBody = "";
      if (response != null) {
        response.headers.forEach((name, values) {
          responseHeader[name] = values;
        });
        responseBody = await response.transform(Utf8Decoder()).join();
      }
      FTRUMManager().stopResource(key);
      FTRUMManager().addResource(
        key: key,
        url: request.uri.toString(),
        requestHeader: requestHeader,
        httpMethod: request.method,
        responseHeader: responseHeader,
        resourceStatus: response?.statusCode,
        responseBody: responseBody,
      );
    }
  }

FTLogger().logging("info log content", FTLogStatus.info);

/// Using httpClient    
void httpClientGetHttp() async {
    var url = 'http://www.google.cn';
    var httpClient = new HttpClient();
    String key = DateTime.now().millisecondsSinceEpoch.toString() + url;
    var errorMessage = "";
    HttpClientRequest request = await httpClient.getUrl(Uri.parse(url));
    HttpClientResponse? response;
    try {
      final traceHeaders =
          await FTTracer().getTraceHeader(key, request.uri.toString());
      traceHeaders.forEach((key, value) {
        request.headers.add(key, value);
      });
      response = await request.close();
    } catch (exception) {
      errorMessage = exception.toString();
    } finally {
      Map<String, dynamic> requestHeader = {};
      Map<String, dynamic> responseHeader = {};

      request.headers.forEach((name, values) {
        requestHeader[name] = values;
      });
      if (response != null) {
        response.headers.forEach((name, values) {
          responseHeader[name] = values;
        });
      }
    }
  }

 FTMobileFlutter.bindUser("flutterUser");

 FTMobileFlutter.unbindUser();