ksnotification 0.1.1

简单好用的通知广播管理.

ksnotification

1、借鉴iOS NotificationCenter实现消息广播，源码简洁明了只有80余行。

2、简单5步实现消息的监听、广播、接收、监听销毁。

3、除了简单易用还是简单易用

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:

dependencies: ksnotification: last

2. Install it

You can install packages from the command line:

with Flutter:

$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

/*1、接口实现*/
class _MyHomePageState extends State<MyHomePage> implements KSObserver {
  int _counter = 0;
  static const String increment_counter = 'increment_counter';

  @override
  void initState() {
    super.initState();
    /*2、添加监听*/
    KSNotificationCenter.shard().addObserver(this, increment_counter);
  }

  @override
  void dispose() {
    /*5、移除监听*/
    KSNotificationCenter.shard().removeObserver(this, increment_counter);
    super.dispose();
  }

  /*4、接收监听消息*/
  @override
  receiveNotify(message, String name) {
    if (name == increment_counter) {
      var msg = message as KSMessage;
      setState(() {
        _counter += msg.num;
      });
    }
  }

  void _incrementCounter() {
    /*3、发送通知广播*/
    KSNotificationCenter.shard().post(KSMessage(num: 100), increment_counter);
  }

  @override
  Widget build(BuildContext context) {
    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),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}

class KSMessage {
  int num;

  KSMessage({this.num});
}