ElectronicAssistant/plugin/gravity_engine/lib/gravity_engine_platform_interface.dart

import 'package:plugin_platform_interface/plugin_platform_interface.dart';

import 'gravity_engine_method_channel.dart';

abstract class GravityEnginePlatform extends PlatformInterface {
  /// Constructs a GravityEnginePlatform.
  GravityEnginePlatform() : super(token: _token);

  static final Object _token = Object();

  static GravityEnginePlatform _instance = MethodChannelGravityEngine();

  /// The default instance of [GravityEnginePlatform] to use.
  ///
  /// Defaults to [MethodChannelGravityEngine].
  static GravityEnginePlatform get instance => _instance;

  /// Platform-specific implementations should set this with their own
  /// platform-specific class that extends [GravityEnginePlatform] when
  /// they register themselves.
  static set instance(GravityEnginePlatform instance) {
    PlatformInterface.verifyToken(instance, _token);
    _instance = instance;
  }

  Future<bool> initialize(String appId, String accessToken, String clientId,
      String channel, bool debug) {
    throw UnimplementedError('initialize() has not been implemented.');
  }

  Future<void> trackEvent(
      String eventName, Map<String, dynamic> eventProperties) {
    throw UnimplementedError('trackEvent() has not been implemented.');
  }

  Future<void> trackPay(String orderNo, String itemName, int amountCent,
      String currency, PayType payType) {
    throw UnimplementedError('trackPay() has not been implemented.');
  }
}