gl_dao/lib/ad/ad.dart

import 'package:flutter/services.dart';

typedef AdCallback = void Function(String id);
typedef AdErrorCallback = void Function(String id, int code, String message);

/// API for showing various types of advertisements
class AdSdk {
  static int _channelId = 0;
  static MethodChannel _methodChannel =
      new MethodChannel("flutter_adsjm_plugin/method");

  /// set user id on login and logout
  // static void setUserId(String userId) {
  //   _methodChannel.invokeMethod("setUserId", {"userId": userId});
  // }

  /// show reward video ad
  static void showRewardVideoAd(String adId,
      {AdCallback onSjmAdTradeId,
      AdCallback onSjmAdLoaded,
      AdCallback onSjmAdShow,
      AdCallback onSjmAdReward,
      AdCallback onSjmAdClick,
      AdCallback onSjmAdVideoComplete,
      AdCallback onSjmAdClose,
      AdErrorCallback onSjmAdError}) {
    EventChannel eventChannel =
        EventChannel("flutter_adsjm_plugin/event_rewardVideo");
    eventChannel.receiveBroadcastStream().listen((event) {
      switch (event["event"]) {
        case "onSjmAdTradeId":
          onSjmAdTradeId?.call(event["id"]);
          break;
        case "onSjmAdLoaded":
          onSjmAdLoaded?.call(event["id"]);
          break;

        case "onSjmAdShow":
          onSjmAdShow?.call(event["id"]);
          break;

        case "onSjmAdReward":
          onSjmAdReward?.call(event["id"]);
          break;

        case "onSjmAdClick":
          onSjmAdClick?.call(event["id"]);
          break;

        case "onSjmAdVideoComplete":
          onSjmAdVideoComplete?.call(event["id"]);
          break;

        case "onSjmAdClose":
          onSjmAdClose?.call(event["id"]);
          break;

        case "onSjmAdError":
          onSjmAdError?.call(event["id"], event["code"], event["message"]);
          break;
      }
    });
    _methodChannel.invokeMethod(
        "showRewardVideoAd", {"_channelId": "rewardVideo", "adId": adId});
  }

  /// show interstitial ad
  static void loadInterstitalAd(String adId,
      {AdCallback onSjmAdLoaded,
      AdCallback onSjmAdShow,
      AdCallback onSjmAdClicked,
      AdCallback onSjmAdClosed,
      AdErrorCallback onSjmAdError}) {
    EventChannel eventChannel =
        EventChannel("flutter_adsjm_plugin/event_interstital");
    eventChannel.receiveBroadcastStream().listen((event) {
      switch (event["event"]) {
        case "onSjmAdLoaded":
          onSjmAdLoaded?.call(event["id"]);
          break;

        case "onSjmAdShow":
          onSjmAdShow?.call(event["id"]);
          break;

        case "onSjmAdClicked":
          onSjmAdClicked?.call(event["id"]);
          break;

        case "onSjmAdClosed":
          onSjmAdClosed?.call(event["id"]);
          break;

        case "onSjmAdError":
          onSjmAdError?.call(event["id"], event["code"], event["message"]);
          break;
      }
    });
    _methodChannel.invokeMethod(
        "loadInterstitalAd", {"_channelId": "interstital", "adId": adId});
  }

  static void loadH5contentAd(
      String adId, String userId, String username, String userhead,
      {AdCallback onIntegralNotEnough,
      AdCallback onIntegralExpend,
      AdCallback onFinishTasks,
      AdCallback onGameExit,
      AdCallback onSjmAdRewardFinish,
      AdCallback onSjmAdReward,
      AdCallback onSjmAdLoaded,
      AdCallback onSjmAdTradeId,
      AdCallback onSjmAdClick,
      AdCallback onSjmUserBehavior,
      AdErrorCallback onSjmAdError}) {
    EventChannel eventChannel =
        EventChannel("flutter_adsjm_plugin/event_h5content");
    eventChannel.receiveBroadcastStream().listen((event) {
      switch (event["event"]) {
        case "onIntegralNotEnough":
          onIntegralNotEnough?.call(event["id"]);
          break;

        case "onIntegralExpend":
          onIntegralExpend?.call(event["id"]);
          break;
        case "onFinishTasks":
          onFinishTasks?.call(event["id"]);
          break;
        case "onGameExit":
          onGameExit?.call(event["id"]);
          break;
        case "onSjmAdRewardFinish":
          onSjmAdRewardFinish?.call(event["id"]);
          break;
        case "onSjmAdClick":
          onSjmAdClick?.call(event["id"]);
          break;

        case "onSjmAdReward":
          onSjmAdReward?.call(event["id"]);
          break;
        case "onSjmAdLoaded":
          onSjmAdLoaded?.call(event["id"]);
          break;
        case "onSjmAdTradeId":
          onSjmAdTradeId?.call(event["id"]);
          break;
        case "onSjmUserBehavior":
          onSjmUserBehavior?.call(event["id"]);
          break;
        case "onSjmAdError":
          onSjmAdError?.call(event["id"], event["code"], event["message"]);
          break;
      }
    });
    _methodChannel.invokeMethod("loadH5contentAd", {
      "_channelId": "h5content",
      "adId": adId,
      "userId": userId,
      "username": username,
      "userhead": userhead
    });
  }

  static void loadVideocontentAd(String adId) {
    _methodChannel.invokeMethod(
        "loadVideocontentAd", {"_channelId": "videocontent", "adId": adId});
  }
}