handleMethodCall method

Future handleMethodCall(MethodCall call)

Handles method calls over the MethodChannel of this plugin. Note: Check the "federated" architecture for a new way of doing this: https://flutter.dev/go/federated-plugins

Implementation

Future<dynamic> handleMethodCall(MethodCall call) async {
  if (call.method == 'init') {
    var args = call.arguments;
    String apiKey = args['apiKey'];
    JSObject configuration = getConfiguration(call);

    // Set library
    Amplitude instance = amplitude.createInstance();
    instance.add(createJSInteropWrapper(FlutterLibraryPlugin(
        args['library'] ?? 'amplitude_flutter/unknown')));
    instance.init(apiKey, configuration);

    instances[args['instanceName'] ?? Constants.defaultInstanceName] =
        instance;

    return null;
  }

  Amplitude? instance = instances[
      call.arguments['instanceName'] ?? Constants.defaultInstanceName];

  if (instance == null) {
    throw Exception(
        'instance not found: ${call.arguments['instanceName'] ?? Constants.defaultInstanceName}');
  }

  switch (call.method) {
    case "track":
    case "identify":
    case "groupIdentify":
    case "setGroup":
    case "revenue":
      {
        JSObject event = getEvent(call);
        instance.track(event);
      }
    case "getUserId":
      {
        JSString? userId = instance.getUserId();
        if (userId == null) {
          return null;
        }
        return userId.toDart;
      }
    case "setUserId":
      {
        Map args = call.arguments['properties'];
        String? userId = args['setUserId'];
        instance.setUserId(userId?.toJS);
      }
    case "getDeviceId":
      {
        return instance.getDeviceId()?.toDart;
      }
    case "setDeviceId":
      {
        Map args = call.arguments['properties'];
        String? deviceId = args['setDeviceId'];
        instance.setDeviceId(deviceId?.toJS);
      }
    case "getSessionId":
      {
        return instance.getSessionId()?.toDartInt;
      }
    case "reset":
      {
        instance.reset();
      }
    case "flush":
      {
        instance.flush();
      }
    case "setOptOut":
      {
        Map<String, dynamic> args = call.arguments['properties'];
        bool enabled = args['setOptOut'];
        instance.setOptOut(enabled);
      }
    default:
      throw PlatformException(
        code: 'Unimplemented',
        details:
            "The amplitude_flutter plugin for web doesn't implement the method '${call.method}'",
      );
  }
}