nearby_connections/example/lib/main.dart

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import 'dart:math';
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import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:nearby_connections/nearby_connections.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
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body: Body(),
),
);
}
}
class Body extends StatefulWidget {
@override
_MyBodyState createState() => _MyBodyState();
}
class _MyBodyState extends State<Body> {
final String userName = Random().nextInt(1000).toString();
final Strategy strategy = Strategy.P2P_STAR;
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@override
Widget build(BuildContext context) {
// TODO: implement build
return Center(
child: Column(
children: <Widget>[
RaisedButton(
child: Text("checkPermission"),
onPressed: () async {
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if (await Nearby().checkPermissions()) {
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Scaffold.of(context)
.showSnackBar(SnackBar(content: Text("yes")));
} else {
Scaffold.of(context)
.showSnackBar(SnackBar(content: Text("No")));
}
},
),
RaisedButton(
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child: Text("askPermission(location)"),
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onPressed: () async {
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await Nearby().askPermission();
},
),
Text("UserName: " + userName),
RaisedButton(
child: Text("Start Advertising"),
onPressed: () async {
try {
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bool a = await Nearby().startAdvertising(
userName,
strategy,
onConnectionInitiated: (id, info) {
showModalBottomSheet(
context: context,
builder: (builder) {
return Center(
child: Column(
children: <Widget>[
Text("id: " + id),
Text("Token: " + info.authenticationToken),
Text("Name" + info.endpointName),
Text("Incoming: " +
info.isIncomingConnection.toString()),
RaisedButton(
child: Text("Accept Connection"),
onPressed: () {
Nearby().acceptConnection(id);
},
),
RaisedButton(
child: Text("Reject Connection"),
onPressed: () {
Nearby().rejectConnection(id);
},
),
],
),
);
},
);
},
onConnectionResult: (id, status) {
showSnackbar(status);
},
onDisconnected: (id) {
showSnackbar(id);
},
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);
showSnackbar(a);
} catch (exception) {
showSnackbar(exception);
}
},
),
RaisedButton(
child: Text("Stop Advertising"),
onPressed: () async {
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await Nearby().stopAdvertising();
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},
),
RaisedButton(
child: Text("Start Discovery"),
onPressed: () async {
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try {
bool a = await Nearby().startDiscovery(
userName,
strategy,
onEndpointFound: (id, name, serviceId) {
showModalBottomSheet(
context: context,
builder: (builder) {
return Center(
child: Column(
children: <Widget>[
Text("id: " + id),
Text("Name: " + name),
Text("ServiceId: " + serviceId),
RaisedButton(
child: Text("Request Connection"),
onPressed: () {
Nearby().requestConnection(
userName,
id,
onConnectionInitiated: (id, info) {
showModalBottomSheet(
context: context,
builder: (builder) {
return Center(
child: Column(
children: <Widget>[
Text("id: " + id),
Text("Token: " +
info.authenticationToken),
Text(
"Name" + info.endpointName),
Text("Incoming: " +
info.isIncomingConnection
.toString()),
RaisedButton(
child:
Text("Accept Connection"),
onPressed: () {
Nearby()
.acceptConnection(id);
},
),
RaisedButton(
child:
Text("Reject Connection"),
onPressed: () {
Nearby()
.rejectConnection(id);
},
),
],
),
);
},
);
},
onConnectionResult: (id, status) {
showSnackbar(status);
},
onDisconnected: (id) {
showSnackbar(id);
},
);
},
),
],
),
);
},
);
},
onEndpointLost: (id) {
showSnackbar(id);
},
);
showSnackbar(a);
} catch (e) {
showSnackbar(e);
}
},
),
RaisedButton(
child: Text("Stop Discovery"),
onPressed: () async {
await Nearby().stopDiscovery();
},
),
RaisedButton(
child: Text("Stop All Endpoints"),
onPressed: () async {
await Nearby().stopAllEndpoints();
},
),
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],
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),
);
}
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void showSnackbar(dynamic a) {
Scaffold.of(context).showSnackBar(SnackBar(
content: Text(a.toString()),
));
}
}