Espresso test for loopback video quality testing

webrtc/examples/androidapp/src/org/appspot/apprtc/AppRTCClient.java

 /*
  *  Copyright 2013 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 package org.appspot.apprtc;
 
 import org.webrtc.IceCandidate;
 import org.webrtc.PeerConnection;
 import org.webrtc.SessionDescription;
 
 import java.util.List;
 
 /**
  * AppRTCClient is the interface representing an AppRTC client.
  */
 public interface AppRTCClient {
   /**
    * Struct holding the connection parameters of an AppRTC room.
    */
   class RoomConnectionParameters {
     public final String roomUrl;
     public final String roomId;
     public final boolean loopback;
-    public RoomConnectionParameters(String roomUrl, String roomId, boolean loopback) {
+    public final String urlParameters;
+    public RoomConnectionParameters(
+        String roomUrl, String roomId, boolean loopback, String urlParameters) {
       this.roomUrl = roomUrl;
       this.roomId = roomId;
       this.loopback = loopback;
+      this.urlParameters = urlParameters;
+    }
+    public RoomConnectionParameters(String roomUrl, String roomId, boolean loopback) {
+      this(roomUrl, roomId, loopback, null /* urlParameters */);
     }
   }
 
   /**
    * Asynchronously connect to an AppRTC room URL using supplied connection
    * parameters. Once connection is established onConnectedToRoom()
    * callback with room parameters is invoked.
    */
   void connectToRoom(RoomConnectionParameters connectionParameters);
 
@@ skipping 78 matching lines @@
      * Callback fired once channel is closed.
      */
     void onChannelClose();
 
     /**
      * Callback fired once channel error happened.
      */
     void onChannelError(final String description);
   }
 }