[Fix]解决取消注册时出现的IllegalArgumentException问题

libraries/mogo-telematic/src/main/java/com/mogo/telematic/server/NSDServer.java

@@ -13,6 +13,8 @@ public class NSDServer {
     private String mServerName;
     private final String mServerType = "_http._tcp.";  // 服务器type，要客户端扫描服务器的一致
 
+    private boolean isRegister;
+
     public NSDServer() {
     }
 
@@ -27,6 +29,7 @@ public class NSDServer {
             @Override
             public void onRegistrationFailed(NsdServiceInfo serviceInfo, int errorCode) {
                 Logger.e(TAG, "NsdServiceInfo onRegistrationFailed");
+                isRegister = false;
                 if (registerState != null) {
                     registerState.onRegistrationFailed(serviceInfo, errorCode);
                 }
@@ -35,6 +38,7 @@ public class NSDServer {
             @Override
             public void onUnregistrationFailed(NsdServiceInfo serviceInfo, int errorCode) {
                 Logger.i(TAG, "onUnregistrationFailed serviceInfo: " + serviceInfo + " ,errorCode:" + errorCode);
+                isRegister = false;
                 if (registerState != null) {
                     registerState.onUnRegistrationFailed(serviceInfo, errorCode);
                 }
@@ -53,6 +57,7 @@ public class NSDServer {
             @Override
             public void onServiceUnregistered(NsdServiceInfo serviceInfo) {
                 Logger.i(TAG, "onServiceUnregistered serviceInfo: " + serviceInfo);
+                isRegister = false;
                 if (registerState != null) {
                     registerState.onServiceUnregistered(serviceInfo);
                 }
@@ -67,10 +72,13 @@ public class NSDServer {
         serviceInfo.setPort(port);
         serviceInfo.setServiceType(mServerType);
         mNsdManager.registerService(serviceInfo, NsdManager.PROTOCOL_DNS_SD, mRegistrationListener);
+        isRegister = true;
     }
 
     public void stopNSDServer() {
-        if (mNsdManager != null) {
+        // 部分失败的回调会从map中移除key，解注册时查不到则会出现异常
+        // 添加isRegister判断
+        if (mNsdManager != null && isRegister) {
             mNsdManager.unregisterService(mRegistrationListener);
         }
     }