proximity_sensor 1.3.2 proximity_sensor: ^1.3.2 copied to clipboard
simple and easy to use flutter plugin package for proximity sensor (only)
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart' as foundation;
import 'dart:async';
import 'package:proximity_sensor/proximity_sensor.dart';
////////////////////////////////////////////////////////////////////////////////
void main() {
runApp(MyApp());
}
////////////////////////////////////////////////////////////////////////////////
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
////////////////////////////////////////////////////////////////////////////////
class _MyAppState extends State<MyApp> {
bool _isNear = false;
late StreamSubscription<dynamic> _streamSubscription;
@override
void initState() {
super.initState();
listenSensor();
}
@override
void dispose() {
super.dispose();
_streamSubscription.cancel();
}
Future<void> listenSensor() async {
FlutterError.onError = (FlutterErrorDetails details) {
if (foundation.kDebugMode) {
FlutterError.dumpErrorToConsole(details);
}
};
// --------------------------------------------------------------------
// You only need to make this call if you want to turn off the screen.
await ProximitySensor.setProximityScreenOff(true).onError((error, stackTrace) {
print("could not enable screen off functionality");
return null;
});
// --------------------------------------------------------------------
_streamSubscription = ProximitySensor.events.listen((int event) {
setState(() {
_isNear = (event > 0) ? true : false;
});
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Proximity Sensor Example'),
),
body: Center(
child: Text('proximity sensor, is near ? $_isNear\n'),
),
),
);
}
}