InCallUI: Set system bar enabled when InCallScreen goto background

During an incomming call and InCallScreen goto background,
the system bar is still disabled.

Set system bar enabled when InCallScreen goto background.

CRs-Fixed: 637132

Conflicts:
	src/com/android/incallui/InCallActivity.java

Change-Id: Iaf2af6f392ac0096521783cd4febca6c3003635d

1 files changed, 7 insertions, 0 deletions

diff --git a/src/com/android/incallui/InCallActivity.java b/src/com/android/incallui/InCallActivity.java
index 9e14cee5..db3ee5ce 100644
--- a/src/com/android/incallui/InCallActivity.java
+++ b/src/com/android/incallui/InCallActivity.java
@@ -182,6 +182,11 @@ public class InCallActivity extends Activity {
             registerReceiver(mLidStateChangeReceiver, new IntentFilter(
                     WindowManagerPolicy.ACTION_LID_STATE_CHANGED));
         }
+
+        final Call call = CallList.getInstance().getIncomingCall();
+        if (call != null) {
+            CallCommandClient.getInstance().setSystemBarNavigationEnabled(false);
+        }
     }
 
     // onPause is guaranteed to be called when the InCallActivity goes
@@ -199,6 +204,8 @@ public class InCallActivity extends Activity {
         mDialpadFragment.onDialerKeyUp(null);
 
         InCallPresenter.getInstance().onUiShowing(false);
+
+        CallCommandClient.getInstance().setSystemBarNavigationEnabled(true);
     }
 
     @Override