Hide home and back buttons during incoming call

Bug: 10692603
Change-Id: I9bacaf39d926b9004778b33c33420a51dde1332f

2 files changed, 24 insertions, 0 deletions

diff --git a/InCallUI/src/com/android/incallui/CallCommandClient.java b/InCallUI/src/com/android/incallui/CallCommandClient.java
index cb49dca8e..3f4ee7781 100644
--- a/InCallUI/src/com/android/incallui/CallCommandClient.java
+++ b/InCallUI/src/com/android/incallui/CallCommandClient.java
@@ -227,4 +227,17 @@ public class CallCommandClient {
         }
     }
 
+    public void setSystemBarNavigationEnabled(boolean enable) {
+        if (mCommandService == null) {
+            Log.e(this, "Cannot setSystemBarNavigationEnabled(); CallCommandService == null");
+            return;
+        }
+        try {
+            Log.v(this, "setSystemBarNavigationEnabled() enabled = " + enable);
+            mCommandService.setSystemBarNavigationEnabled(enable);
+        } catch (RemoteException e) {
+            Log.d(this, "Error on setSystemBarNavigationEnabled().");
+        }
+    }
+
 }
diff --git a/InCallUI/src/com/android/incallui/InCallPresenter.java b/InCallUI/src/com/android/incallui/InCallPresenter.java
index bfff83fe5..d36be3e7b 100644
--- a/InCallUI/src/com/android/incallui/InCallPresenter.java
+++ b/InCallUI/src/com/android/incallui/InCallPresenter.java
@@ -183,6 +183,12 @@ public class InCallPresenter implements CallList.Listener {
         InCallState newState = getPotentialStateFromCallList(callList);
         newState = startOrFinishUi(newState);
 
+        // Renable notification shade and soft navigation buttons, if we are no longer in the
+        // incoming call screen
+        if (!newState.isIncoming()) {
+            CallCommandClient.getInstance().setSystemBarNavigationEnabled(true);
+        }
+
         // Set the new state before announcing it to the world
         Log.i(this, "Phone switching state: " + mInCallState + " -> " + newState);
         mInCallState = newState;
@@ -206,6 +212,11 @@ public class InCallPresenter implements CallList.Listener {
         Log.i(this, "Phone switching state: " + mInCallState + " -> " + newState);
         mInCallState = newState;
 
+        // Disable notification shade and soft navigation buttons
+        if (newState.isIncoming()) {
+            CallCommandClient.getInstance().setSystemBarNavigationEnabled(false);
+        }
+
         for (IncomingCallListener listener : mIncomingCallListeners) {
             listener.onIncomingCall(mInCallState, call);
         }