使用庫：flutter_local_notifications

在pubspec.yaml中導(dǎo)入：(由于JPush有bug 暫時注釋 等待修復(fù))

dependencies:
  # jpush_flutter: 0.0.8
  # jpush_flutter:
  #   git:
  #     url: git://github.com/jpush/jpush-flutter-plugin.git
  #     ref: master

  #本地推送
  flutter_local_notifications: ^1.1.5+1

示例代碼：

import 'package:flutter/material.dart';
void main() => runApp(LocalNotification());

//本地推送
// import 'package:jpush_flutter/jpush_flutter.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';

class LocalNotification extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: LocalNotificationPage(title: 'Flutter Demo Home Page'),
    );
  }
}

class LocalNotificationPage extends StatefulWidget {
  LocalNotificationPage({Key key, this.title}) : super(key: key);
  final String title;
  @override
  LocalNotificationPageState createState() => LocalNotificationPageState();
}

class LocalNotificationPageState extends State<LocalNotificationPage> {
  int _counter = 0;

  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
      new FlutterLocalNotificationsPlugin();
  // JPush jpush = new JPush();

  void _incrementCounter() async {
    // var fireDate = DateTime.fromMillisecondsSinceEpoch(
    //     DateTime.now().millisecondsSinceEpoch);
    // var localNotification = LocalNotification(
    //     id: 234,
    //     title: '測試本地推送',
    //     buildId: 1,
    //     content: '我是本地推送的消息',
    //     fireTime: fireDate,
    //     subtitle: 'ios 消息推送', // 該參數(shù)只有在 iOS 有效
    //     badge: 5, // 該參數(shù)只有在 iOS 有效
    //     extra: {"fa": "0"} // 設(shè)置 extras ，extras 需要是 Map<String, String>
    //     );
    // jpush.sendLocalNotification(localNotification).then((res) {});

    var scheduledNotificationDateTime =
        new DateTime.now().add(new Duration(seconds: 5));
    var androidPlatformChannelSpecifics = new AndroidNotificationDetails(
        'your other channel id',
        'your other channel name',
        'your other channel description');
    var iOSPlatformChannelSpecifics = new IOSNotificationDetails();
    NotificationDetails platformChannelSpecifics = new NotificationDetails(
        androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
    await flutterLocalNotificationsPlugin.schedule(
        0,
        'scheduled title',
        'scheduled body',
        scheduledNotificationDateTime,
        platformChannelSpecifics);

    setState(() {
      _counter++;
    });
  }

  Future onDidReceiveLocalNotification(
      int i, String payload, String payloa3, String payload2) async {
    print('onDidReceiveLocalNotification');
  }

  Future onSelectNotification(String payload) async {
    print('onSelectNotification');
    if (payload != null) {
      debugPrint('notification payload: ' + payload);
    }
    // await Navigator.push(
    //   context,
    // new MaterialPageRoute(builder: (context) => new SecondScreen(payload)),
    // );
  }

  @override
  Widget build(BuildContext context) {
    var initializationSettingsAndroid =
        new AndroidInitializationSettings('app_icon');
    var initializationSettingsIOS = IOSInitializationSettings(
        onDidReceiveLocalNotification: onDidReceiveLocalNotification);
    var initializationSettings = InitializationSettings(
        initializationSettingsAndroid, initializationSettingsIOS);
    flutterLocalNotificationsPlugin.initialize(initializationSettings,
        onSelectNotification: onSelectNotification);
    // jpush.setup(
    //   appKey: "替換成你自己的 appKey",
    //   channel: "theChannel",
    //   production: false,
    //   debug: false, // 設(shè)置是否打印 debug 日志
    // );
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.display1,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ), 
    );
  }
}