Direct IP connect functionality for AppRTC Android demo.

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

 /*
  *  Copyright 2015 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.
  */
 
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   private boolean isError;
   private boolean callControlFragmentVisible = true;
   private long callStartedTimeMs = 0;
   private boolean micEnabled = true;
 
   // Controls
   private CallFragment callFragment;
   private HudFragment hudFragment;
   private CpuMonitor cpuMonitor;
 
-
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     Thread.setDefaultUncaughtExceptionHandler(
         new UnhandledExceptionHandler(this));
 
     // Set window styles for fullscreen-window size. Needs to be done before
     // adding content.
     requestWindowFeature(Window.FEATURE_NO_TITLE);
     getWindow().addFlags(
@@ skipping 80 matching lines @@
         intent.getBooleanExtra(EXTRA_HWCODEC_ENABLED, true),
         intent.getBooleanExtra(EXTRA_CAPTURETOTEXTURE_ENABLED, false),
         intent.getIntExtra(EXTRA_AUDIO_BITRATE, 0),
         intent.getStringExtra(EXTRA_AUDIOCODEC),
         intent.getBooleanExtra(EXTRA_NOAUDIOPROCESSING_ENABLED, false),
         intent.getBooleanExtra(EXTRA_AECDUMP_ENABLED, false),
         intent.getBooleanExtra(EXTRA_OPENSLES_ENABLED, false));
     commandLineRun = intent.getBooleanExtra(EXTRA_CMDLINE, false);
     runTimeMs = intent.getIntExtra(EXTRA_RUNTIME, 0);
 
-    // Create connection client and connection parameters.
-    appRtcClient = new WebSocketRTCClient(this, new LooperExecutor());
+    // Create connection client. Use DirectRTCClient if room name is an IP otherwise use the
+    // standard WebSocketRTCClient.
+    if (loopback || !DirectRTCClient.IP_PATTERN.matcher(roomId).matches()) {
+      appRtcClient = new WebSocketRTCClient(this, new LooperExecutor());
+    } else {
+      Log.i(TAG, "Using DirectRTCClient because room name looks like an IP.");
+      appRtcClient = new DirectRTCClient(this);
+    }
+    // Create connection parameters.
     roomConnectionParameters = new RoomConnectionParameters(
         roomUri.toString(), roomId, loopback);
 
     // Create CPU monitor
     cpuMonitor = new CpuMonitor(this);
     hudFragment.setCpuMonitor(cpuMonitor);
 
     // Send intent arguments to fragments.
     callFragment.setArguments(intent.getExtras());
     hudFragment.setArguments(intent.getExtras());
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         }
       }
     });
   }
 
   @Override
   public void onPeerConnectionError(final String description) {
     reportError(description);
   }
 }