send beacon connection error from Kotlin to Flutter

Author: TalebRafiepour

android/src/main/kotlin/io/altme/beacon/beacon/BeaconPlugin.kt

@@ -275,6 +275,7 @@ class BeaconPlugin : MethodChannel.MethodCallHandler, EventChannel.StreamHandler
                 beaconClient?.connect()
                     ?.catch { error ->
                         Log.e(tag, "connect: ${error.message}")
+                        result.success(mapOf("failure" to error.message))
                     }
                     ?.onEach { result -> result.getOrNull()?.let { saveAwaitingRequest(it) } }
                     ?.collect { result ->

example/lib/main.dart

@@ -53,6 +53,11 @@ class _MyHomePageState extends State<MyHomePage> {
   startBeacon() async {
     final Map response =
         await _beaconPlugin.startBeacon(walletName: "Altme Wallet");
+    if (response['failure'] != null) {
+      final fauilure = json.decode(response['failure'].toString());
+      print('fauilure: $fauilure');
+      return;
+    }
     setState(() {
       hasPeers = json.decode(response['success'].toString());
     });