Flutter事件处理插件flutter_openwrap_event_handler_gam的使用

Flutter事件处理插件flutter_openwrap_event_handler_gam的使用

Dart包用于支持OpenWrap SDK的GAM标头竞价。该插件使发布者能够利用OpenWrap和Google Mobile Ads SDK Flutter插件来实现Flutter应用的变现。

2. 文档

要详细了解如何使用OpenWrap SDK Flutter插件，请访问官方OpenWrap Flutter插件文档。

3. 报告改进/问题

如果您遇到任何问题或有改进建议，请在Github上打开一个issue。如需其他查询，请联系您的PubMatic客户经理。

完整示例Demo

以下是一个完整的示例代码，展示了如何使用flutter_openwrap_event_handler_gam插件。

import 'package:flutter/material.dart';
import 'package:flutter_openwrap_sdk/flutter_openwrap_sdk.dart';
import 'package:permission_handler/permission_handler.dart';

import 'screens/screens.dart';

void main() {
  runApp(const MainScreen());
}

const List<String> adType = [
  'Banner',
  'MREC Display',
  'Interstitial Display',
  'Interstitial Video'
];

class MainScreen extends StatefulWidget {
  const MainScreen({Key? key}) : super(key: key);

  [@override](/user/override)
  State<MainScreen> createState() => _MainScreenState();
}

class _MainScreenState extends State<MainScreen> {
  [@override](/user/override)
  void initState() {
    super.initState();

    // 设置日志级别为所有级别
    OpenWrapSDK.setLogLevel(POBLogLevel.all);
    // 请求位置权限
    _requestLocationPermission();
  }

  void _requestLocationPermission() async {
    const permission = Permission.location;
    await permission.request();
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('PubMatic Flutter Sample App'),
        ),
        body: const MyListView(),
      ),
      debugShowCheckedModeBanner: false,
    );
  }
}

class MyListView extends StatelessWidget {
  const MyListView({Key? key}) : super(key: key);

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Container(
      height: MediaQuery.of(context).size.height,
      width: MediaQuery.of(context).size.width,
      color: Colors.grey[200],
      child: Padding(
        padding: const EdgeInsets.fromLTRB(15.0, 15.0, 12.0, 12.0),
        child: SingleChildScrollView(
          scrollDirection: Axis.vertical,
          child: Column(
            children: [
              for (var index in Iterable.generate(adType.length)) SubRow(index)
            ],
          ),
        ),
      ),
    );
  }
}

class SubRow extends StatelessWidget {
  final int adTypeIndex;
  const SubRow(this.adTypeIndex, {Key? key}) : super(key: key);

  [@override](/user/override)
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {
        switch (adTypeIndex) {
          case 0:
            // 导航到GAM Banner屏幕
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => const GAMBannerScreen()),
            );
            break;
          case 1:
            // 导航到GAM MREC Display屏幕
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => const GAMMRECDisplayScreen()),
            );
            break;
          case 2:
            // 导航到GAM Interstitial Display屏幕
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => const GAMInterstitialScreen()),
            );
            break;
          case 3:
            // 导航到GAM Interstitial Video屏幕
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => const GAMInterstitialVideoScreen()),
            );
            break;
        }
      },
      child: Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: [
        Padding(
          padding: const EdgeInsets.fromLTRB(8.0, 0, 0, 0),
          child: ExcludeSemantics(
            child: Text(
              adType[adTypeIndex],
              style: const TextStyle(fontSize: 18),
            ),
          ),
        ),
        if (adTypeIndex + 1 != adType.length)
          Divider(
            thickness: 1.0,
            color: Colors.grey[300],
          )
      ]),
    );
  }
}