bjmob_sdk 0.0.1

bjmob_sdk: ^0.0.1 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:bjmob_sdk/bjmob_flutter_plugin.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'BJMOB SDK 示例',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'BJMOB SDK 示例'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  bool _isAdLoaded = false;
  String _adStatus = '未加载';
  bool _isLoading = false;

  @override
  void initState() {
    super.initState();
    print('MyHomePage initState 被调用');
    // 使用 Future.microtask 确保在下一个微任务中执行初始化
    Future.microtask(() async {
      try {
        print('开始调用 _initSDK...');
        await _initSDK();
        print('_initSDK 调用完成');
      } catch (e) {
        print('在 initState 中调用 _initSDK 时发生错误: $e');
      }
    });
  }

  Future<void> _initSDK() async {
    try {
      print('开始初始化SDK...');
      setState(() {
        _isLoading = true;
        _adStatus = '正在初始化...';
      });
      
      print('调用 BjmobFlutterPlugin.init...');
      try {
        await BjmobFlutterPlugin.init(
          appId: '69lSe9cvORWnd62o',
        );
        print('BjmobFlutterPlugin.init 调用完成');
      } catch (e) {
        print('BjmobFlutterPlugin.init 调用失败: $e');
        throw e;
      }
      
      setState(() {
        _adStatus = '初始化成功，等待SDK就绪...';
      });
      
      print('等待SDK就绪...');
      try {
        // 增加等待时间到3秒，确保SDK完全初始化
        await Future.delayed(const Duration(seconds: 3));
        print('SDK就绪，准备加载广告');
      } catch (e) {
        print('等待SDK就绪时发生错误: $e');
        throw e;
      }
      
      setState(() {
        _adStatus = 'SDK就绪，正在加载广告...';
      });
      
      print('开始调用 _loadBannerAd...');
      try {
        // 直接调用 _loadBannerAd，不使用 Future.microtask
        await _loadBannerAd();
        print('_loadBannerAd 调用完成');
      } catch (e) {
        print('_loadBannerAd 调用失败: $e');
        throw e;
      }
    } catch (e, stackTrace) {
      print('初始化失败: $e');
      print('错误堆栈: $stackTrace');
      setState(() {
        _isLoading = false;
        _adStatus = '初始化失败: $e';
      });
    }
  }

  Future<void> _loadBannerAd() async {
    try {
      print('开始加载横幅广告...');
      setState(() {
        _isLoading = true;
        _adStatus = '正在加载广告...';
        _isAdLoaded = false;  // 重置广告加载状态
      });
      
      print('调用 loadBannerAd 方法...');
      try {
        await BjmobFlutterPlugin.loadBannerAd(
          width: 320,
          height: 50,
          onAdLoaded: (info) {
            print('广告加载成功: $info');
            if (mounted) {
              setState(() {
                _isAdLoaded = true;
                _isLoading = false;
                _adStatus = '广告加载成功';
              });
            }
          },
          onAdFailedToLoad: (error) {
            print('广告加载失败: $error');
            if (mounted) {
              setState(() {
                _isAdLoaded = false;
                _isLoading = false;
                _adStatus = '广告加载失败: ${error['error']} (错误码: ${error['code']})';
              });
            }
          },
          onAdExposure: () {
            print('广告已曝光');
            if (mounted) {
              setState(() {
                _isLoading = false;
                _adStatus = '广告已曝光';
              });
            }
          },
          onAdClicked: () {
            print('广告被点击');
            if (mounted) {
              setState(() {
                _isLoading = false;
                _adStatus = '广告被点击';
              });
            }
          },
          onAdClosed: () {
            print('广告已关闭');
            if (mounted) {
              setState(() {
                _isLoading = false;
                _adStatus = '广告已关闭';
              });
            }
          },
        );
        print('loadBannerAd 方法调用完成');
      } catch (e) {
        print('loadBannerAd 方法调用失败: $e');
        throw e;
      }
    } catch (e, stackTrace) {
      print('加载广告时发生错误: $e');
      print('错误堆栈: $stackTrace');
      setState(() {
        _isAdLoaded = false;
        _isLoading = false;
        _adStatus = '加载广告失败: $e';
      });
    }
  }

  @override
  void dispose() {
    BjmobFlutterPlugin.destroyBannerAd();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            Card(
              child: Padding(
                padding: const EdgeInsets.all(16.0),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text(
                      '广告状态:',
                      style: Theme.of(context).textTheme.titleMedium,
                    ),
                    const SizedBox(height: 8),
                    Text(_adStatus),
                    if (_isLoading) ...[
                      const SizedBox(height: 8),
                      const LinearProgressIndicator(),
                    ],
                  ],
                ),
              ),
            ),
            const SizedBox(height: 16),
            if (_isAdLoaded) ...[
              ElevatedButton(
                onPressed: () async {
                  try {
                    await BjmobFlutterPlugin.showBannerAd();
                    setState(() {
                      _adStatus = '广告已显示';
                    });
                  } catch (e) {
                    setState(() {
                      _adStatus = '显示广告失败: $e';
                    });
                  }
                },
                child: const Text('显示广告'),
              ),
              const SizedBox(height: 16),
              ElevatedButton(
                onPressed: () async {
                  try {
                    await BjmobFlutterPlugin.hideBannerAd();
                    setState(() {
                      _adStatus = '广告已隐藏';
                    });
                  } catch (e) {
                    setState(() {
                      _adStatus = '隐藏广告失败: $e';
                    });
                  }
                },
                child: const Text('隐藏广告'),
              ),
              const SizedBox(height: 16),
              ElevatedButton(
                onPressed: () async {
                  try {
                    await BjmobFlutterPlugin.destroyBannerAd();
                    setState(() {
                      _isAdLoaded = false;
                      _adStatus = '广告已销毁';
                    });
                  } catch (e) {
                    setState(() {
                      _adStatus = '销毁广告失败: $e';
                    });
                  }
                },
                child: const Text('销毁广告'),
              ),
            ] else ...[
              ElevatedButton(
                onPressed: _isLoading ? null : _loadBannerAd,
                child: Text(_isLoading ? '加载中...' : '加载广告'),
              ),
            ],
          ],
        ),
      ),
    );
  }
}