bolter_flutter 6.6.0 bolter_flutter: ^6.6.0 copied to clipboard
based on bolter library extensions for manage widgets and state
import 'package:bolter_flutter/bolter_flutter.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
class MyPresenter extends Presenter<MyPresenter> {
var _value = 0;
void increment() {
runAndUpdate(action: () {
_value++;
});
}
ValueStream<int> get valueStream => stream(() => _value);
}
void main() async {
runApp(
PresenterProvider(
presenter: MyPresenter(),
child: Builder(
builder: (ctx) {
return MaterialApp(
home: Scaffold(
body: Center(
child: Column(
children: [
ValueStreamBuilder(
stream: ctx.presenter<MyPresenter>().valueStream,
builder: (BuildContext context, int value) {
return Text(value.toString());
},
),
Padding(
padding: EdgeInsets.only(top: 16),
child: ElevatedButton(
child: Text("Increment"),
onPressed: () {
ctx.presenter<MyPresenter>().increment();
},
),
)
],
),
),
),
);
},
),
),
);
}