light 0.0.2 light: ^0.0.2 copied to clipboard
A Flutter plugin for retrieving the light sensor data using a platform channel. Works for Android only, since the light sensor API is not available on iOS.
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:light/light.dart';
void main() => runApp(new MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => new _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _luxString = 'Unknown';
Light _light;
void _onData(int luxValue) async {
print("Lux value: $luxValue");
setState(() {
_luxString = "$luxValue";
});
}
void _onDone() {}
void _onError(error) {
// Handle the error
}
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
_light = new Light();
_light.lightSensorStream.listen(_onData,
onError: _onError, onDone: _onDone, cancelOnError: true);
}
@override
Widget build(BuildContext context) {
return new MaterialApp(
home: new Scaffold(
appBar: new AppBar(
title: const Text('Plugin example app'),
),
body: new Center(
child: new Text('Running on: $_luxString\n'),
),
),
);
}
}