Remove the network with empty name or NONE connection type from the network list.

talk/app/webrtc/java/android/org/webrtc/NetworkMonitorAutoDetect.java

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 35 matching lines @@
 import android.net.LinkProperties;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo;
 import android.net.NetworkRequest;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.os.Build;
 import android.telephony.TelephonyManager;
 
+import java.util.ArrayList;
+
 /**
  * Borrowed from Chromium's
  * src/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
  *
  * Used by the NetworkMonitor to listen to platform changes in connectivity.
  * Note that use of this class requires that the app have the platform
  * ACCESS_NETWORK_STATE permission.
  */
 public class NetworkMonitorAutoDetect extends BroadcastReceiver {
   public static enum ConnectionType {
@@ skipping 162 matching lines @@
      * Only callable on Lollipop and newer releases.
      */
     @SuppressLint("NewApi")
     Network[] getAllNetworks() {
       if (connectivityManager == null) {
         return new Network[0];
       }
       return connectivityManager.getAllNetworks();
     }
 
     NetworkInformation[] getActiveNetworkList() {

[AlexG, 2016/02/03 22:35:27]

May be return List<NetworkInformation> from this function making below code a
little simpler? Or you pass it to JNI later?

[honghaiz3, 2016/02/04 04:43:29]

Done.

       if (!supportNetworkCallback()) {
         return new NetworkInformation[0];
       }
-      Network[] networks = getAllNetworks();
-      NetworkInformation[] netInfos = new NetworkInformation[networks.length];
-      for (int i = 0; i < networks.length; ++i) {
-        netInfos[i] = networkToInfo(networks[i]);
+      ArrayList<NetworkInformation> netInfoList = new ArrayList<NetworkInformation>();
+      for (Network network : getAllNetworks()) {
+        NetworkInformation info = networkToInfo(network);
+        if (info.name != null && info.type != ConnectionType.CONNECTION_NONE
+            && info.type != ConnectionType.CONNECTION_UNKNOWN) {
+          netInfoList.add(info);
+        }
       }
-      return netInfos;
+      NetworkInformation[] netInfos = new NetworkInformation[netInfoList.size()];
+      return netInfoList.toArray(netInfos);
     }
 
     /**
      * Returns the NetID of the current default network. Returns
      * INVALID_NET_ID if no current default network connected.
      * Only callable on Lollipop and newer releases.
      */
     @SuppressLint("NewApi")
     int getDefaultNetId() {
       if (!supportNetworkCallback()) {
@@ skipping 326 matching lines @@
    * Extracts NetID of network. Only available on Lollipop and newer releases.
    */
   @SuppressLint("NewApi")
   private static int networkToNetId(Network network) {
     // NOTE(pauljensen): This depends on Android framework implementation details.
     // Fortunately this functionality is unlikely to ever change.
     // TODO(honghaiz): When we update to Android M SDK, use Network.getNetworkHandle().
     return Integer.parseInt(network.toString());
   }
 }