From 134d6b1117b086e6493e1209e26215deabbb3a72 Mon Sep 17 00:00:00 2001
From: twyen <twyen@google.com>
Date: Mon, 21 May 2018 16:22:43 -0700
Subject: Handle null VideoCall

When a call is downgraded, video call might be set to null by telecom.
TEST=TAP
Bug: 79336398
Test: TAP
PiperOrigin-RevId: 197479259
Change-Id: Ib5400b0d59bc97b952ee64aad41812f3477a3722
---
 java/com/android/incallui/videotech/ims/ImsVideoTech.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/java/com/android/incallui/videotech/ims/ImsVideoTech.java b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
index c4c177f39..d35c5ef61 100644
--- a/java/com/android/incallui/videotech/ims/ImsVideoTech.java
+++ b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
@@ -308,6 +308,10 @@ public class ImsVideoTech implements VideoTech {
   @Override
   public void setCamera(@Nullable String cameraId) {
     savedCameraId = cameraId;
+    if (call.getVideoCall() == null) {
+      LogUtil.w("ImsVideoTech.setCamera", "video call no longer exist");
+      return;
+    }
     call.getVideoCall().setCamera(cameraId);
     call.getVideoCall().requestCameraCapabilities();
   }
-- 
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