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