keyboard 0.0.4 keyboard: ^0.0.4 copied to clipboard
Flutter plugin to detect keyboard events.
import 'package:flutter/material.dart';
import 'package:keyboard/keyboard.dart';
import 'package:flutter/scheduler.dart';
void main() {
Keyboard.init();
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final events = <String>["(Start pressing keys to see events)"],
controller = ScrollController();
@override
void initState() {
super.initState();
Keyboard.onKeyDown = (code, event) {
if (!mounted) return;
setState(() {
events.add("OnKeyDown: $code\n$event");
});
SchedulerBinding.instance.addPostFrameCallback((_) {
controller.jumpTo(controller.position.maxScrollExtent);
});
};
}
@override
void dispose() {
Keyboard.onKeyDown = null;
super.dispose();
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Keyboard Plugin'),
),
body: ListView(
shrinkWrap: true,
controller: controller,
children: events.map((it) {
return ListTile(
title: Card(
child: Text(
it,
textAlign: TextAlign.center,
),
),
);
}).toList(),
),
),
);
}
}