eventsubscriber 1.0.3 eventsubscriber: ^1.0.3 copied to clipboard
A Flutter widget that supports subscribing to one or more named EventNotifier events.
example/eventsubscriber_example.dart
import 'package:flutter/material.dart';
import 'package:eventnotifier/eventnotifier.dart';
import 'package:eventsubscriber/eventsubscriber.dart';
// An example domain model
// Normally in its own module/package
// Included here for illustration purposes
class Count with EventNotifier {
int value = 0;
void increment() {
value++;
notify('valueChanged'); // notify subscribers
}
}
//////////////////////
// Create the domain model
var myCount = Count();
// Flutter application
void main() => runApp(
MaterialApp(
home: Column(
children: <Widget>[
// Subscribe to the 'valueChanged' model event
EventSubscriber(
model: myCount,
eventNames: ['valueChanged'],
builder: (context) => Text(myCount.value.toString()),
),
FlatButton(
child: Text('Increment'),
onPressed: () => myCount.increment(),
)
],
),
),
);