1 files changed, 5 insertions, 1 deletions
diff --git a/java/com/android/incallui/videotech/ims/ImsVideoTech.java b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
index 2a0b7c504..a6cef7b81 100644
--- a/java/com/android/incallui/videotech/ims/ImsVideoTech.java
+++ b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
@@ -18,6 +18,7 @@ package com.android.incallui.videotech.ims;
 
 import android.content.Context;
 import android.os.Build;
+import android.support.annotation.Nullable;
 import android.telecom.Call;
 import android.telecom.Call.Details;
 import android.telecom.VideoProfile;
@@ -120,6 +121,9 @@ public class ImsVideoTech implements VideoTech {
   }
 
   @Override
+  public void onRemovedFromCallList() {}
+
+  @Override
   public int getSessionModificationState() {
     return sessionModificationState;
   }
@@ -233,7 +237,7 @@ public class ImsVideoTech implements VideoTech {
   }
 
   @Override
-  public void setCamera(String cameraId) {
+  public void setCamera(@Nullable String cameraId) {
     call.getVideoCall().setCamera(cameraId);
     call.getVideoCall().requestCameraCapabilities();
   }