flutter_screen_wake 1.0.2

A Flutter plugin to manage the device's screen on Android and iOS.

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:flutter_screen_wake/flutter_screen_wake.dart';

void main() {
  runApp(MyApp());
}
class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  bool _keepOn = false;
  double _brightness = 0.0;

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    bool platformVersion;
    double brightness;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = await FlutterScreenWake.isKeptOn;
      brightness = await FlutterScreenWake.brightness;
    } on PlatformException {
      platformVersion = false;
      brightness = 1.0;
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _keepOn = platformVersion;
      _brightness = brightness;
    });
  }

  Future<void> changeKeep() async {
    bool platformVersion;

    await FlutterScreenWake.keepOn(!_keepOn);

    try {
      platformVersion = await FlutterScreenWake.isKeptOn;
    } on PlatformException {
      platformVersion = false;
    }

    setState(() {
      _keepOn = platformVersion;
    });
  }

  Future<void> changeBrightnessMax() async {
    double brightness = 0.0;
    await FlutterScreenWake.setBrightness(1.0);

    try {
      brightness = await FlutterScreenWake.brightness;
    } on PlatformException {
      brightness = 0.5;
    }

    setState(() {
      _brightness = brightness;
    });
  }

  Future<void> changeBrightnessMin() async {
    double brightness = 0.0;
    await FlutterScreenWake.setBrightness(0.05);

    try {
      brightness = await FlutterScreenWake.brightness;
    } on PlatformException {
      brightness = 0.5;
    }

    setState(() {
      _brightness = brightness;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Example Flutter Screen Wake'),
        ),
        body: Center(
          child: Column(children: [
            SizedBox(height: 20,),
            Text('Keep ON: $_keepOn\n'),
            InkWell(child: Container(
              padding: EdgeInsets.all(10),
              decoration: BoxDecoration(color: Colors.blue),
              child: Text('Change Wake'),), onTap: changeKeep
            ),
            ///
            ///
            SizedBox(height: 20,),
            Text('Brightness: $_brightness\n'),
            InkWell(child: Container(
              padding: EdgeInsets.all(10),
              decoration: BoxDecoration(color: Colors.blue),
              child: Text('Max brightness'),), onTap: changeBrightnessMax
            ),
            SizedBox(height: 20,),
            InkWell(child: Container(
              padding: EdgeInsets.all(10),
              decoration: BoxDecoration(color: Colors.blue),
              child: Text('Min brightness'),), onTap: changeBrightnessMin
            )
          ],)
        ),
      ),
    );
  }
}