Update CPU Monitor to report CPU frequency and battery level.

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.
  */
 
@@ skipping 116 matching lines @@
   private int runTimeMs;
   private boolean activityRunning;
   private RoomConnectionParameters roomConnectionParameters;
   private PeerConnectionParameters peerConnectionParameters;
   private boolean iceConnected;
   private boolean isError;
   private boolean callControlFragmentVisible = true;
   private long callStartedTimeMs = 0;
 
   // Controls
-  CallFragment callFragment;
-  HudFragment hudFragment;
+  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);
@@ skipping 86 matching lines @@
         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());
     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());
     // Activate call and HUD fragments and start the call.
     FragmentTransaction ft = getFragmentManager().beginTransaction();
     ft.add(R.id.call_fragment_container, callFragment);
     ft.add(R.id.hud_fragment_container, hudFragment);
     ft.commit();
     startCall();
 
@@ skipping 18 matching lines @@
   }
 
   // Activity interfaces
   @Override
   public void onPause() {
     super.onPause();
     activityRunning = false;
     if (peerConnectionClient != null) {
       peerConnectionClient.stopVideoSource();
     }
+    cpuMonitor.pause();
   }
 
   @Override
   public void onResume() {
     super.onResume();
     activityRunning = true;
     if (peerConnectionClient != null) {
       peerConnectionClient.startVideoSource();
     }
+    cpuMonitor.resume();
   }
 
   @Override
   protected void onDestroy() {
     disconnect();
     if (logToast != null) {
       logToast.cancel();
     }
     activityRunning = false;
     rootEglBase.release();
+    cpuMonitor.release();
     super.onDestroy();
   }
 
   // CallFragment.OnCallEvents interface implementation.
   @Override
   public void onCallHangUp() {
     disconnect();
   }
 
   @Override
@@ skipping 369 matching lines @@
         }
       }
     });
   }
 
   @Override
   public void onPeerConnectionError(final String description) {
     reportError(description);
   }
 }