flutter_google_ad_manager 0.11.1

Flutter plugin for Google Ad Manager(DoubleClick for Publishers).

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_google_ad_manager/flutter_google_ad_manager.dart';

import 'banner_page.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Google Ad Manager Demo'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  DFPInterstitialAd _interstitialAd;
  DFPRewardedAd _rewardedAd;
  LifecycleEventHandler _lifecycle;

  @override
  void initState() {
    super.initState();

    _interstitialAd = DFPInterstitialAd(
      isDevelop: true,
      adUnitId: "XXXXXXXX",
      onAdLoaded: () {
        print('interstitialAd onAdLoaded');
      },
      onAdFailedToLoad: (errorCode) {
        print('interstitialAd onAdFailedToLoad: errorCode:$errorCode');
      },
      onAdOpened: () {
        print('interstitialAd onAdOpened');
      },
      onAdClosed: () {
        print('interstitialAd onAdClosed');
        _interstitialAd.load();
      },
      onAdLeftApplication: () {
        print('interstitialAd onAdLeftApplication');
      },
    );
    _interstitialAd.load();

    _rewardedAd = DFPRewardedAd(
      isDevelop: true,
      adUnitId: "XXXXXXX",
      onAdLoaded: () {
        print('rewardedAd onAdLoaded');
      },
      onAdFailedToLoad: (errorCode) {
        print('rewardedAd onAdFailedToLoad: errorCode:$errorCode');
        _showRewardedAdsLoadErrorDialog(context, errorCode);
      },
      onAdOpened: () {
        print('rewardedAd onAdOpened');
      },
      onAdClosed: () {
        print('rewardedAd onAdClosed');
        _rewardedAd.load();
      },
      onAdLeftApplication: () {
        print('rewardedAd onAdLeftApplication');
      },
      onRewarded: (String type, int amount) {
        print('rewardedAd onRewarded: type:$type amount:$amount');
      },
      onVideoStarted: () {
        print('rewardedAd onVideoStarted');
      },
      onVideoCompleted: () {
        print('rewardedAd onVideoCompleted');
      },
    );
    _rewardedAd.load();
    _lifecycle = LifecycleEventHandler(_rewardedAd);
    WidgetsBinding.instance.addObserver(_lifecycle);
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(_lifecycle);
    _interstitialAd.dispose();
    _rewardedAd.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: SingleChildScrollView(
        child: Center(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: <Widget>[
              Text(
                'Banners',
                style: TextStyle(
                  fontSize: 24.0,
                  fontWeight: FontWeight.bold,
                  decoration: TextDecoration.underline,
                ),
              ),
              RaisedButton(
                child: Text(DFPAdSize.BANNER.toString()),
                onPressed: () {
                  Navigator.of(context).push(MaterialPageRoute(
                    builder: (context) => BannerPage(size: DFPAdSize.BANNER),
                  ));
                },
              ),
              RaisedButton(
                child: Text(DFPAdSize.FULL_BANNER.toString()),
                onPressed: () {
                  Navigator.of(context).push(MaterialPageRoute(
                    builder: (context) => BannerPage(size: DFPAdSize.FULL_BANNER),
                  ));
                },
              ),
              RaisedButton(
                child: Text(DFPAdSize.LARGE_BANNER.toString()),
                onPressed: () {
                  Navigator.of(context).push(MaterialPageRoute(
                    builder: (context) => BannerPage(size: DFPAdSize.LARGE_BANNER),
                  ));
                },
              ),
              RaisedButton(
                child: Text(DFPAdSize.LEADERBOARD.toString()),
                onPressed: () {
                  Navigator.of(context).push(MaterialPageRoute(
                    builder: (context) => BannerPage(size: DFPAdSize.LEADERBOARD),
                  ));
                },
              ),
              RaisedButton(
                child: Text(DFPAdSize.MEDIUM_RECTANGLE.toString()),
                onPressed: () {
                  Navigator.of(context).push(MaterialPageRoute(
                    builder: (context) => BannerPage(size: DFPAdSize.MEDIUM_RECTANGLE),
                  ));
                },
              ),
              RaisedButton(
                child: Text(DFPAdSize.SMART_BANNER.toString()),
                onPressed: () {
                  Navigator.of(context).push(MaterialPageRoute(
                    builder: (context) => BannerPage(size: DFPAdSize.SMART_BANNER),
                  ));
                },
              ),
              RaisedButton(
                child: Text('custom'),
                onPressed: () {
                  Navigator.of(context).push(MaterialPageRoute(
                    builder: (context) => BannerPage(size: DFPAdSize.custom(width: 200.5, height: 200.5)),
                  ));
                },
              ),
              Text(
                'Interstitial',
                style: TextStyle(
                  fontSize: 24.0,
                  fontWeight: FontWeight.bold,
                  decoration: TextDecoration.underline,
                ),
              ),
              RaisedButton(
                child: Text('Show Interstitial'),
                onPressed: () {
                  _interstitialAd.show();
                },
              ),
              Text(
                'Rewarded',
                style: TextStyle(
                  fontSize: 24.0,
                  fontWeight: FontWeight.bold,
                  decoration: TextDecoration.underline,
                ),
              ),
              RaisedButton(
                child: Text('Show Rewarded'),
                onPressed: () {
                  _rewardedAd.show();
                },
              ),
              /*ListView.builder(
              padding: EdgeInsets.all(20.0),
              itemCount: 10,
              itemBuilder: (BuildContext context, int index) {
                if (index != 0 && index % 4 == 0) {
                  return Column(
                    children: <Widget>[
                      Container(
                        margin: EdgeInsets.only(top: 16, bottom: 16.0),
                        child: DFPBanner(
                          isDevelop: true,
                          testDevices: MyTestDevices(),
                          adUnitId: '/XXXXXXXXX/XXXXXXXXX',
                          adSize: DFPAdSize.BANNER,
                          onAdLoaded: () {
                            print('Banner onAdLoaded');
                          },
                          onAdFailedToLoad: (errorCode) {
                            print('Banner onAdFailedToLoad: errorCode:$errorCode');
                          },
                          onAdOpened: () {
                            print('Banner onAdOpened');
                          },
                          onAdClosed: () {
                            print('Banner onAdClosed');
                          },
                          onAdLeftApplication: () {
                            print('Banner onAdLeftApplication');
                          },
                        ),
                      ),
                    ],
                  );
                }
                return SizedBox(
                  height: 100.0,
                  child: Card(
                    child: Center(
                      child: Text('$index'),
                    ),
                  ),
                );
              },
            ),*/
            ],
          ),
        ),
      ),
      /*floatingActionButton: FloatingActionButton(
        onPressed: () async {
          await _rewardedAd.show();
          //await interstitialAd.show();
        },
        tooltip: '?',
        child: Icon(Icons.add),
      ),*/
    );
  }

  void _showRewardedAdsLoadErrorDialog(BuildContext context, int errorCode) {
    showDialog(
      context: context,
      builder: (BuildContext context) => AlertDialog(
        title: Text("Rewarded Ads Load Error"),
        content: Text("error code: $errorCode"),
        actions: <Widget>[
          FlatButton(
              child: const Text('Cancel'),
              onPressed: () {
                Navigator.pop(context);
              }),
          FlatButton(
              child: const Text('Reload'),
              onPressed: () {
                _rewardedAd.load();
                Navigator.pop(context);
              })
        ],
      ),
    );
  }
}

class LifecycleEventHandler extends WidgetsBindingObserver {
  final DFPRewardedAd rewardedAd;

  LifecycleEventHandler(this.rewardedAd);

  @override
  didChangeAppLifecycleState(AppLifecycleState state) async {
    switch (state) {
      case AppLifecycleState.inactive:
        break;
      case AppLifecycleState.paused:
        await rewardedAd.pause();
        break;
      case AppLifecycleState.detached:
        break;
      case AppLifecycleState.resumed:
        await rewardedAd.resume();
        break;
    }
  }
}