Loc-Chain
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nearby_connections
mirror of https://github.com/hackku21/nearby_connections
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cleaned up auto connect

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master
Thomas Atkins 3 years ago
parent e19633f846
commit 1613f9a0c7
1 changed files with 82 additions and 138 deletions
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220
example/lib/main.dart
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@ -40,8 +40,8 @@ class _MyBodyState extends State<Body> {
super.initState();
WidgetsBinding.instance!.addPostFrameCallback((_) {
// _userName = await FlutterUdid.consistentUdid;
startAdver();
startDisco();
startAdvertising();
startDiscovery();
});
}
@ -54,69 +54,6 @@ class _MyBodyState extends State<Body> {
Map<int, String> map =
Map(); //store filename mapped to corresponding payloadId
void startAdver() async {
try {
bool a = await Nearby().startAdvertising(
"adv" + userName,
strategy,
onConnectionInitiated: discoverOnConnectionInit,
onConnectionResult: (id, status) {
print("userName = $userName");
print("id = $id");
showSnackbar(status);
},
onDisconnected: (id) {
showSnackbar(
"Disconnected: ${endpointMap[id]!.endpointName}, id $id");
setState(() {
endpointMap.remove(id);
});
},
);
showSnackbar("ADVERTISING: " + a.toString());
} catch (exception) {
showSnackbar(exception);
}
}
void startDisco() async {
try {
bool a = await Nearby().startDiscovery(
"dis" + userName,
strategy,
onEndpointFound: (id, name, serviceId) {
print("userName = $userName");
print("id = $id");
Nearby().requestConnection(
userName,
id,
onConnectionInitiated: (id, info) {
discoverOnConnectionInit(id, info);
},
onConnectionResult: (id, status) {
showSnackbar(status);
},
onDisconnected: (id) {
setState(() {
endpointMap.remove(id);
});
showSnackbar(
"Disconnected from: ${endpointMap[id]!.endpointName}, id $id");
},
);
},
onEndpointLost: (id) {
showSnackbar(
"Lost discovered Endpoint: ${endpointMap[id]!.endpointName}, id $id");
},
);
showSnackbar("DISCOVERING: " + a.toString());
} catch (e) {
showSnackbar(e);
}
}
@override
Widget build(BuildContext context) {
return Center(
@ -128,86 +65,21 @@ class _MyBodyState extends State<Body> {
Wrap(
children: <Widget>[
ElevatedButton(
child: Text("Start Advertising"),
onPressed: () async {
// try {
// bool a = await Nearby().startAdvertising(
// "adv" + userName,
// strategy,
// onConnectionInitiated: discoverOnConnectionInit,
// onConnectionResult: (id, status) {
// print("userName = $userName");
// print("id = $id");
// showSnackbar(status);
// },
// onDisconnected: (id) {
// showSnackbar(
// "Disconnected: ${endpointMap[id]!.endpointName}, id $id");
// setState(() {
// endpointMap.remove(id);
// });
// },
// );
// showSnackbar("ADVERTISING: " + a.toString());
// } catch (exception) {
// showSnackbar(exception);
// }
},
),
ElevatedButton(
child: Text("Stop Advertising"),
onPressed: () async {
await Nearby().stopAdvertising();
},
),
],
),
Wrap(
children: <Widget>[
ElevatedButton(
child: Text("Start Discovery"),
child: Text("Restart"),
onPressed: () async {
try {
bool a = await Nearby().startDiscovery(
"dis" + userName,
strategy,
onEndpointFound: (id, name, serviceId) {
print("userName = $userName");
print("id = $id");
Nearby().requestConnection(
userName,
id,
onConnectionInitiated: (id, info) {
discoverOnConnectionInit(id, info);
},
onConnectionResult: (id, status) {
showSnackbar(status);
},
onDisconnected: (id) {
setState(() {
endpointMap.remove(id);
});
showSnackbar(
"Disconnected from: ${endpointMap[id]!.endpointName}, id $id");
},
);
},
onEndpointLost: (id) {
showSnackbar(
"Lost discovered Endpoint: ${endpointMap[id]!.endpointName}, id $id");
},
);
showSnackbar("DISCOVERING: " + a.toString());
} catch (e) {
showSnackbar(e);
stopAll();
startAdvertising();
startDiscovery();
} catch (exception) {
showSnackbar(exception);
}
},
),
ElevatedButton(
child: Text("Stop Discovery"),
child: Text("Stop"),
onPressed: () async {
await Nearby().stopDiscovery();
stopAll();
},
),
],
@ -271,6 +143,78 @@ class _MyBodyState extends State<Body> {
));
}
void stopAll() async {
await Nearby().stopAllEndpoints();
await Nearby().stopAdvertising();
await Nearby().stopDiscovery();
setState(() {});
}
void startDiscovery() async {
try {
bool a = await Nearby().startDiscovery(
"dis" + userName,
strategy,
onEndpointFound: (id, name, serviceId) {
print("userName = $userName");
print("id = $id");
Nearby().requestConnection(
userName,
id,
onConnectionInitiated: (id, info) {
discoverOnConnectionInit(id, info);
},
onConnectionResult: (id, status) {
showSnackbar(status);
},
onDisconnected: (id) {
setState(() {
endpointMap.remove(id);
});
showSnackbar(
"Disconnected from: ${endpointMap[id]!.endpointName}, id $id");
},
);
},
onEndpointLost: (id) {
showSnackbar(
"Lost discovered Endpoint: ${endpointMap[id]!.endpointName}, id $id");
},
);
showSnackbar("DISCOVERING: " + a.toString());
} catch (e) {
showSnackbar(e);
}
setState(() {});
}
void startAdvertising() async {
try {
bool a = await Nearby().startAdvertising(
"adv" + userName,
strategy,
onConnectionInitiated: discoverOnConnectionInit,
onConnectionResult: (id, status) {
print("userName = $userName");
print("id = $id");
showSnackbar(status);
},
onDisconnected: (id) {
showSnackbar(
"Disconnected: ${endpointMap[id]!.endpointName}, id $id");
setState(() {
endpointMap.remove(id);
});
},
);
showSnackbar("ADVERTISING: " + a.toString());
} catch (exception) {
showSnackbar(exception);
}
setState(() {});
}
/// Called upon Connection request (on both devices)
/// Both need to accept connection to start sending/receiving
void discoverOnConnectionInit(String id, ConnectionInfo info) {

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