wakelock 0.1.2+1

This Flutter plugin allows you to keep Android and iOS devices awake, i.e. prevent them from sleeping by toggling the wakelock of the phone or tablet on or off.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:wakelock/wakelock.dart';

void main() => runApp(MyApp());

/// 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 [_MyAppState].
class MyApp extends StatefulWidget {
  const MyApp({Key key}) : super(key: key);

  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) => MaterialApp(
          home: Scaffold(
              body: Center(
                  child: Column(
                      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                      children: <Widget>[
            FlatButton(
              child: const Text('enable wakelock'),
              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);
                });
              },
            ),
            FlatButton(
              child: const Text('disable wakelock'),
              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);
                });
              },
            ),
            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'}');
              },
            )
          ]))));
}