From 58ed11759e46f0475b5ddfa043f6ffdd062ca619 Mon Sep 17 00:00:00 2001
From: Nimrod Dayan <Nimrodda@users.noreply.github.com>
Date: Mon, 7 Aug 2023 00:50:57 +0300
Subject: [PATCH] Attempt to fix #40

---
 .../com/nimroddayan/flutternsd/FlutterNsdPlugin.kt   | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/android/src/main/kotlin/com/nimroddayan/flutternsd/FlutterNsdPlugin.kt b/android/src/main/kotlin/com/nimroddayan/flutternsd/FlutterNsdPlugin.kt
index 8a7c889..b019344 100644
--- a/android/src/main/kotlin/com/nimroddayan/flutternsd/FlutterNsdPlugin.kt
+++ b/android/src/main/kotlin/com/nimroddayan/flutternsd/FlutterNsdPlugin.kt
@@ -192,7 +192,11 @@ class FlutterNsdPlugin : FlutterPlugin, MethodCallHandler {
 
     override fun onStartDiscoveryFailed(serviceType: String, errorCode: Int) {
       Timber.w("Failed to start NSD. Error code $errorCode")
-      nsdManager?.stopServiceDiscovery(this)
+      try {
+        nsdManager?.stopServiceDiscovery(this)
+      } catch (ex: IllegalArgumentException) {
+        Timber.d("Cannot stop service, listener not registered")
+      }
       mainHandler.post {
         channel.invokeMethod("onStartDiscoveryFailed", errorCode)
       }
@@ -200,7 +204,11 @@ class FlutterNsdPlugin : FlutterPlugin, MethodCallHandler {
 
     override fun onStopDiscoveryFailed(serviceType: String, errorCode: Int) {
       Timber.w("Failed to stop NSD. Error code $errorCode")
-      nsdManager?.stopServiceDiscovery(this)
+      try {
+        nsdManager?.stopServiceDiscovery(this)
+      } catch (ex: IllegalArgumentException) {
+        Timber.d("Cannot stop service, listener not registered")
+      }
       mainHandler.post {
         channel.invokeMethod("onStopDiscoveryFailed", errorCode)
       }