nearby_connections 0.0.1 
nearby_connections: ^0.0.1 copied to clipboard
prerakmann.meA new Flutter plugin.
import 'dart:math';
import 'dart:typed_data';
import 'package:flutter/material.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'),
),
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;
String cId = "0";
@override
Widget build(BuildContext context) {
return Center(
child: Column(
children: <Widget>[
RaisedButton(
child: Text("checkPermission"),
onPressed: () async {
if (await Nearby().checkPermissions()) {
Scaffold.of(context)
.showSnackBar(SnackBar(content: Text("yes")));
} else {
Scaffold.of(context)
.showSnackBar(SnackBar(content: Text("No")));
}
},
),
RaisedButton(
child: Text("askPermission(location)"),
onPressed: () async {
await Nearby().askPermission();
},
),
Text("UserName: " + userName),
RaisedButton(
child: Text("Start Advertising"),
onPressed: () async {
try {
bool a = await Nearby().startAdvertising(
userName,
strategy,
onConnectionInitiated: (id, info) {
oci(id, info);
},
onConnectionResult: (id, status) {
showSnackbar(status);
},
onDisconnected: (id) {
showSnackbar(id);
},
);
showSnackbar(a);
} catch (exception) {
showSnackbar(exception);
}
},
),
RaisedButton(
child: Text("Stop Advertising"),
onPressed: () async {
await Nearby().stopAdvertising();
},
),
RaisedButton(
child: Text("Start Discovery"),
onPressed: () async {
try {
bool a = await Nearby().startDiscovery(
userName,
strategy,
onEndpointFound: (id, name, serviceId) {
print("in callback");
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: () {
Navigator.pop(context);
Nearby().requestConnection(
userName,
id,
onConnectionInitiated: (id, info) {
oci(id, info);
},
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();
},
),
RaisedButton(
child: Text("Send Random Payload"),
onPressed: () async {
String a = Random().nextInt(100).toString();
showSnackbar("Sending $a to $cId");
Nearby().sendPayload(cId, Uint8List.fromList(a.codeUnits));
},
),
],
),
);
}
void showSnackbar(dynamic a) {
Scaffold.of(context).showSnackBar(SnackBar(
content: Text(a.toString()),
));
}
void oci(String id, ConnectionInfo 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: () {
Navigator.pop(context);
cId = id;
Nearby().acceptConnection(
id,
onPayLoadRecieved: (endid, bytes) {
showSnackbar(endid + ": " + String.fromCharCodes(bytes));
},
);
},
),
RaisedButton(
child: Text("Reject Connection"),
onPressed: () async {
Navigator.pop(context);
try {
await Nearby().rejectConnection(id);
} catch (e) {
showSnackbar(e);
}
},
),
],
),
);
},
);
}
}Metadata
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A new Flutter plugin.
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