2019-08-11 15:41:40 +00:00
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import 'dart:io';
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2019-05-11 10:31:33 +00:00
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import 'dart:math';
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2019-05-11 19:13:34 +00:00
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import 'dart:typed_data';
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2019-05-11 10:31:33 +00:00
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2019-05-10 06:54:05 +00:00
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import 'package:flutter/material.dart';
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import 'package:nearby_connections/nearby_connections.dart';
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2019-08-11 15:41:40 +00:00
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import 'package:image_picker/image_picker.dart';
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2019-05-10 06:54:05 +00:00
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void main() => runApp(MyApp());
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class MyApp extends StatefulWidget {
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@override
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_MyAppState createState() => _MyAppState();
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}
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class _MyAppState extends State<MyApp> {
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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home: Scaffold(
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appBar: AppBar(
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title: const Text('Plugin example app'),
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),
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2019-05-10 12:54:38 +00:00
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body: Body(),
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),
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);
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}
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}
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class Body extends StatefulWidget {
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@override
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_MyBodyState createState() => _MyBodyState();
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}
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class _MyBodyState extends State<Body> {
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2019-05-11 10:31:33 +00:00
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final String userName = Random().nextInt(1000).toString();
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final Strategy strategy = Strategy.P2P_STAR;
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2019-05-11 19:13:34 +00:00
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String cId = "0";
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2019-05-11 10:31:33 +00:00
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2019-05-10 12:54:38 +00:00
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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children: <Widget>[
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RaisedButton(
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child: Text("checkPermission"),
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onPressed: () async {
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2019-05-11 08:34:12 +00:00
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if (await Nearby().checkPermissions()) {
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2019-05-10 12:54:38 +00:00
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Scaffold.of(context)
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.showSnackBar(SnackBar(content: Text("yes")));
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} else {
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Scaffold.of(context)
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.showSnackBar(SnackBar(content: Text("No")));
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}
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},
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),
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RaisedButton(
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2019-05-11 10:47:02 +00:00
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child: Text("askPermission(location)"),
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2019-05-10 12:54:38 +00:00
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onPressed: () async {
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2019-05-11 08:34:12 +00:00
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await Nearby().askPermission();
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2019-05-10 21:18:45 +00:00
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},
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),
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2019-05-11 10:31:33 +00:00
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Text("UserName: " + userName),
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2019-05-10 21:18:45 +00:00
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RaisedButton(
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child: Text("Start Advertising"),
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onPressed: () async {
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try {
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2019-05-11 08:34:12 +00:00
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bool a = await Nearby().startAdvertising(
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2019-05-11 10:31:33 +00:00
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userName,
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strategy,
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onConnectionInitiated: (id, info) {
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2019-05-11 19:37:58 +00:00
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oci(id, info);
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2019-05-11 10:31:33 +00:00
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},
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onConnectionResult: (id, status) {
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showSnackbar(status);
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},
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onDisconnected: (id) {
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showSnackbar(id);
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},
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2019-05-11 08:34:12 +00:00
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);
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2019-05-11 10:31:33 +00:00
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showSnackbar(a);
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2019-05-10 21:18:45 +00:00
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} catch (exception) {
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2019-05-11 10:31:33 +00:00
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showSnackbar(exception);
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2019-05-10 21:18:45 +00:00
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}
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},
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),
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RaisedButton(
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child: Text("Stop Advertising"),
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onPressed: () async {
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2019-05-11 08:34:12 +00:00
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await Nearby().stopAdvertising();
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2019-05-10 12:54:38 +00:00
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},
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),
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2019-05-11 10:31:33 +00:00
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RaisedButton(
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child: Text("Start Discovery"),
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onPressed: () async {
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2019-05-11 10:47:02 +00:00
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try {
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bool a = await Nearby().startDiscovery(
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userName,
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strategy,
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onEndpointFound: (id, name, serviceId) {
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2019-05-11 18:12:35 +00:00
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print("in callback");
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2019-05-11 10:47:02 +00:00
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showModalBottomSheet(
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context: context,
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builder: (builder) {
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return Center(
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child: Column(
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children: <Widget>[
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Text("id: " + id),
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Text("Name: " + name),
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Text("ServiceId: " + serviceId),
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RaisedButton(
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child: Text("Request Connection"),
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onPressed: () {
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2019-05-11 19:13:34 +00:00
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Navigator.pop(context);
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2019-05-11 10:47:02 +00:00
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Nearby().requestConnection(
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userName,
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id,
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onConnectionInitiated: (id, info) {
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2019-05-11 19:37:58 +00:00
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oci(id, info);
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2019-05-11 10:47:02 +00:00
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},
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onConnectionResult: (id, status) {
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showSnackbar(status);
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},
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onDisconnected: (id) {
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showSnackbar(id);
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},
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);
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},
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),
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],
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),
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);
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},
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);
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},
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onEndpointLost: (id) {
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showSnackbar(id);
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},
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);
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showSnackbar(a);
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} catch (e) {
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showSnackbar(e);
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}
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2019-05-11 10:31:33 +00:00
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},
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),
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RaisedButton(
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child: Text("Stop Discovery"),
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onPressed: () async {
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await Nearby().stopDiscovery();
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},
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),
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RaisedButton(
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child: Text("Stop All Endpoints"),
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onPressed: () async {
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await Nearby().stopAllEndpoints();
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},
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),
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2019-05-11 19:13:34 +00:00
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RaisedButton(
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2019-08-11 15:41:40 +00:00
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child: Text("Send Random Bytes Payload"),
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2019-05-11 19:13:34 +00:00
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onPressed: () async {
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String a = Random().nextInt(100).toString();
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2019-05-11 19:37:58 +00:00
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showSnackbar("Sending $a to $cId");
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2019-05-11 19:13:34 +00:00
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Nearby().sendPayload(cId, Uint8List.fromList(a.codeUnits));
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},
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),
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2019-08-11 15:41:40 +00:00
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RaisedButton(
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child: Text("Send File Payload"),
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onPressed: () async {
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File file =
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await ImagePicker.pickImage(source: ImageSource.gallery);
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if (file == null) return;
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Nearby().sendFilePayload(cId, file.path);
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showSnackbar("Sending file to $cId");
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},
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),
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2019-05-10 12:54:38 +00:00
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],
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2019-05-10 06:54:05 +00:00
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),
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);
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}
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2019-05-11 08:34:12 +00:00
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2019-05-11 10:31:33 +00:00
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void showSnackbar(dynamic a) {
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Scaffold.of(context).showSnackBar(SnackBar(
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content: Text(a.toString()),
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));
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}
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2019-05-11 19:37:58 +00:00
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2019-08-11 15:41:40 +00:00
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/// Called on a Connection request (on both devices)
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2019-05-11 19:37:58 +00:00
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void oci(String id, ConnectionInfo info) {
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showModalBottomSheet(
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context: context,
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builder: (builder) {
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return Center(
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child: Column(
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children: <Widget>[
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Text("id: " + id),
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Text("Token: " + info.authenticationToken),
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Text("Name" + info.endpointName),
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Text("Incoming: " + info.isIncomingConnection.toString()),
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RaisedButton(
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child: Text("Accept Connection"),
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onPressed: () {
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Navigator.pop(context);
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cId = id;
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Nearby().acceptConnection(
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id,
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2019-08-11 15:41:40 +00:00
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onPayLoadRecieved: (endid, payload) {
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if (payload.type == PayloadType.BYTES) {
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showSnackbar(
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endid + ": " + String.fromCharCodes(payload.bytes));
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} else if (payload.type == PayloadType.FILE) {
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showSnackbar(endid + ": File transfer started");
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}
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},
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onPayloadTransferUpdate: (endid, payloadTransferUpdate) {
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if (payloadTransferUpdate.status ==
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PayloadStatus.IN_PROGRRESS) {
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print(payloadTransferUpdate.bytesTransferred);
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} else if (payloadTransferUpdate.status ==
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PayloadStatus.FAILURE) {
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print("failed");
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showSnackbar(endid + ": FAILED to transfer file");
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} else if (payloadTransferUpdate.status ==
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PayloadStatus.SUCCESS) {
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print(
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"success, total bytes = ${payloadTransferUpdate.totalBytes}");
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showSnackbar(endid +
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": SUCCESS in file transfer (file is un-named in downloads) ");
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}
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2019-05-11 19:37:58 +00:00
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},
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);
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},
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),
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RaisedButton(
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child: Text("Reject Connection"),
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2019-05-11 20:00:07 +00:00
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onPressed: () async {
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2019-05-11 19:37:58 +00:00
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Navigator.pop(context);
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2019-05-11 20:00:07 +00:00
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try {
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await Nearby().rejectConnection(id);
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} catch (e) {
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showSnackbar(e);
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}
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2019-05-11 19:37:58 +00:00
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},
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),
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],
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),
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);
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},
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);
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}
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2019-05-11 10:31:33 +00:00
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}
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