diff --git a/InCallUI/src/com/android/incallui/VideoCallFragment.java b/InCallUI/src/com/android/incallui/VideoCallFragment.java
index cb8c644..2e65f81 100644
--- a/InCallUI/src/com/android/incallui/VideoCallFragment.java
+++ b/InCallUI/src/com/android/incallui/VideoCallFragment.java
@@ -499,6 +499,7 @@
     public void onPause() {
         super.onPause();
         Log.d(this, "onPause:");
+        getPresenter().cancelAutoFullScreen();
     }
 
     @Override
@@ -549,6 +550,7 @@
      * Hides and shows the incoming video view and changes the outgoing video view's state based on
      * whether outgoing view is enabled or not.
      */
+    @Override
     public void showVideoViews(boolean previewPaused, boolean showIncoming) {
         inflateVideoUi(true);
 
@@ -567,6 +569,7 @@
     /**
      * Hide all video views.
      */
+    @Override
     public void hideVideoUi() {
         inflateVideoUi(false);
     }
diff --git a/InCallUI/src/com/android/incallui/VideoCallPresenter.java b/InCallUI/src/com/android/incallui/VideoCallPresenter.java
index 9a33d80..7617608 100644
--- a/InCallUI/src/com/android/incallui/VideoCallPresenter.java
+++ b/InCallUI/src/com/android/incallui/VideoCallPresenter.java
@@ -81,7 +81,9 @@
     private Runnable mAutoFullscreenRunnable =  new Runnable() {
         @Override
         public void run() {
-            if (mAutoFullScreenPending && !InCallPresenter.getInstance().isDialpadVisible()) {
+            if (mAutoFullScreenPending && !InCallPresenter.getInstance().isDialpadVisible()
+                    && mIsVideoMode) {
+
                 Log.v(this, "Automatically entering fullscreen mode.");
                 InCallPresenter.getInstance().setFullScreen(true);
                 mAutoFullScreenPending = false;
@@ -258,6 +260,8 @@
             return;
         }
 
+        cancelAutoFullScreen();
+
         InCallPresenter.getInstance().removeListener(this);
         InCallPresenter.getInstance().removeDetailsListener(this);
         InCallPresenter.getInstance().removeIncomingCallListener(this);
@@ -495,7 +499,7 @@
         updateCameraSelection(call);
 
         if (isVideoCall) {
-            enterVideoMode(call);
+            adjustVideoMode(call);
         } else if (isVideoMode()) {
             exitVideoMode();
         }
@@ -555,7 +559,7 @@
             Log.d(this, "onPrimaryCallChanged: Entering video mode...");
 
             updateCameraSelection(newPrimaryCall);
-            enterVideoMode(newPrimaryCall);
+            adjustVideoMode(newPrimaryCall);
         }
     }
 
@@ -630,7 +634,7 @@
      * Handles a change to the video call. Sets the surfaces on the previous call to null and sets
      * the surfaces on the new video call accordingly.
      *
-     * @param videoCall The new video call.
+     * @param call The new video call.
      */
     private void changeVideoCall(Call call) {
         final VideoCall videoCall = call.getTelecomCall().getVideoCall();
@@ -651,13 +655,13 @@
         }
 
         if (VideoUtils.isVideoCall(call) && hasChanged) {
-            enterVideoMode(call);
+            adjustVideoMode(call);
         }
     }
 
     private static boolean isCameraRequired(int videoState) {
-        return VideoProfile.isBidirectional(videoState) ||
-                VideoProfile.isTransmissionEnabled(videoState);
+        return VideoProfile.isBidirectional(videoState)
+                || VideoProfile.isTransmissionEnabled(videoState);
     }
 
     private boolean isCameraRequired() {
@@ -665,14 +669,16 @@
     }
 
     /**
-     * Enters video mode by showing the video surfaces and making other adjustments (eg. audio).
+     * Adjusts the current video mode by setting up the preview and display surfaces as necessary.
+     * Expected to be called whenever the video state associated with a call changes (e.g. a user
+     * turns their camera on or off) to ensure the correct surfaces are shown/hidden.
      * TODO(vt): Need to adjust size and orientation of preview surface here.
      */
-    private void enterVideoMode(Call call) {
+    private void adjustVideoMode(Call call) {
         VideoCall videoCall = call.getVideoCall();
         int newVideoState = call.getVideoState();
 
-        Log.d(this, "enterVideoMode videoCall= " + videoCall + " videoState: " + newVideoState);
+        Log.d(this, "adjustVideoMode videoCall= " + videoCall + " videoState: " + newVideoState);
         VideoCallUi ui = getUi();
         if (ui == null) {
             Log.e(this, "Error VideoCallUi is null so returning");
@@ -692,16 +698,15 @@
             videoCall.setDeviceOrientation(mDeviceOrientation);
             enableCamera(videoCall, isCameraRequired(newVideoState));
         }
+        int previousVideoState = mCurrentVideoState;
         mCurrentVideoState = newVideoState;
-
         mIsVideoMode = true;
 
-        maybeAutoEnterFullscreen(call);
-    }
-
-    private static boolean isSpeakerEnabledForVideoCalls() {
-        // TODO: Make this a carrier configurable setting. For now this is always true. b/20090407
-        return true;
+        // adjustVideoMode may be called if we are already in a 1-way video state.  In this case
+        // we do not want to trigger auto-fullscreen mode.
+        if (!VideoUtils.isVideoCall(previousVideoState) && VideoUtils.isVideoCall(newVideoState)) {
+            maybeAutoEnterFullscreen(call);
+        }
     }
 
     private void enableCamera(VideoCall videoCall, boolean isCameraRequired) {
@@ -1068,6 +1073,8 @@
      * 2. Call is not active
      * 3. Call is not video call
      * 4. Already in fullscreen mode
+     * 5. The current video state is not bi-directional (if the remote party stops transmitting,
+     *    the user's contact photo would dominate in fullscreen mode).
      *
      * @param call The current call.
      */
@@ -1079,7 +1086,8 @@
         if (call == null || (
                 call != null && (call.getState() != Call.State.ACTIVE ||
                         !VideoUtils.isVideoCall(call)) ||
-                        InCallPresenter.getInstance().isFullscreen())) {
+                        InCallPresenter.getInstance().isFullscreen()) ||
+                        !VideoUtils.isBidirectionalVideoCall(call)) {
             // Ensure any previously scheduled attempt to enter fullscreen is cancelled.
             cancelAutoFullScreen();
             return;
@@ -1106,10 +1114,6 @@
         mAutoFullScreenPending = false;
     }
 
-    private static boolean isAudioRouteEnabled(int audioRoute, int audioRouteMask) {
-        return ((audioRoute & audioRouteMask) != 0);
-    }
-
     private static void updateCameraSelection(Call call) {
         Log.d(TAG, "updateCameraSelection: call=" + call);
         Log.d(TAG, "updateCameraSelection: call=" + toSimpleString(call));