wakelock 0.1.4+2 wakelock: ^0.1.4+2 copied to clipboard
This plugin allows you to keep Android and iOS devices awake, i.e. prevent the screen from sleeping by toggling the wakelock of the device on or off.
import 'package:flutter/material.dart';
import 'package:wakelock/wakelock.dart';
void main() {
runApp(ExampleApp());
}
/// The wakelock implementation is located inside the [FlatButton.onPressed] functions and a [FutureBuilder].
/// The [FlatButton]'s and the [FutureBuilder] sit inside the [Column] that is a child of the [Scaffold] in [_ExampleAppState].
class ExampleApp extends StatefulWidget {
const ExampleApp({Key key}) : super(key: key);
@override
_ExampleAppState createState() => _ExampleAppState();
}
class _ExampleAppState extends State<ExampleApp> {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
FlatButton(
onPressed: () {
// The following code will enable the wakelock on Android or iOS using the wakelock plugin.
setState(() {
Wakelock.enable();
// You could also use Wakelock.toggle(on: true);
});
},
child: const Text('enable wakelock'),
),
FlatButton(
onPressed: () {
// The following code will disable the wakelock on Android or iOS using the wakelock plugin.
setState(() {
Wakelock.disable();
// You could also use Wakelock.toggle(on: false);
});
},
child: const Text('disable wakelock'),
),
FutureBuilder(
future: Wakelock.isEnabled,
builder: (context, AsyncSnapshot<bool> snapshot) {
// The use of FutureBuilder is necessary here to await the bool value from isEnabled.
if (!snapshot.hasData)
return Container(); // The Future is retrieved so fast that you will not be able to see any loading indicator.
return Text(
'wakelock is currently ${snapshot.data ? 'enabled' : 'disabled'}');
},
),
],
),
),
),
);
}
}