Direct IP connect functionality for AppRTC Android demo.

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

Index: webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
diff --git a/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java b/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
index 21092227ccabd0a1cc8fdbde87b497b382701636..852f770e36096989965cbf7333ff20d158d5fd34 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
@@ -139,7 +139,6 @@ public class CallActivity extends Activity
   private HudFragment hudFragment;
   private CpuMonitor cpuMonitor;
 
-
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
@@ -240,8 +239,15 @@ public class CallActivity extends Activity
     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()) {

[magjed_webrtc, 2016/05/10 14:50:02]

nit: space between 'if' and '('.

[sakal, 2016/05/11 08:38:49]

Done.

+      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);