2 files changed, 44 insertions, 2 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarController.java b/packages/SystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarController.java
index a58fa86a477a..8a93c5b0d1c2 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarController.java
@@ -23,6 +23,7 @@ import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
 import android.support.v4.util.SimpleArrayMap;
+import android.util.SparseBooleanArray;
 import android.view.View;
 import android.widget.LinearLayout;
 
@@ -71,6 +72,7 @@ class CarNavigationBarController {
 
     private int mCurrentFacetIndex;
     private String mCurrentPackageName;
+    private SparseBooleanArray mFacetHasMultipleAppsCache = new SparseBooleanArray();
 
     public CarNavigationBarController(Context context,
                                       CarNavigationBarView navBar,
@@ -96,6 +98,21 @@ class CarNavigationBarController {
         }
     }
 
+    public void onPackageChange(String packageName) {
+        if (mFacetPackageMap.containsKey(packageName)) {
+            int index = mFacetPackageMap.get(packageName);
+            mFacetHasMultipleAppsCache.put(index, facetHasMultiplePackages(index));
+            // No need to check categories because we've already refreshed the cache.
+            return;
+        }
+
+        String category = getPackageCategory(packageName);
+        if (mFacetCategoryMap.containsKey(category)) {
+            int index = mFacetCategoryMap.get(packageName);
+            mFacetHasMultipleAppsCache.put(index, facetHasMultiplePackages(index));
+        }
+    }
+
     private void bind() {
         // Read up arrays_car.xml and populate the navigation bar here.
         Resources r = mContext.getResources();
@@ -138,6 +155,7 @@ class CarNavigationBarController {
                 initFacetFilterMaps(i,
                         facetPackageNames.getString(i).split(FACET_FILTER_DEMILITER),
                         facetCategories.getString(i).split(FACET_FILTER_DEMILITER));
+                        mFacetHasMultipleAppsCache.put(i, facetHasMultiplePackages(i));
             } catch (URISyntaxException e) {
                 throw new RuntimeException("Malformed intent uri", e);
             }
@@ -229,7 +247,7 @@ class CarNavigationBarController {
 
         if (mNavButtons.get(index) != null) {
             mNavButtons.get(index).setSelected(true /* selected */,
-                    facetHasMultiplePackages(index)  /* showMoreIcon */);
+                    mFacetHasMultipleAppsCache.get(index)  /* showMoreIcon */);
         }
         mCurrentFacetIndex = index;
     }
@@ -268,7 +286,7 @@ class CarNavigationBarController {
 
     private void startActivity(Intent intent) {
         if (mActivityStarter != null && intent != null) {
-            mActivityStarter.startActivity(intent, true);
+            mActivityStarter.startActivity(intent, false);
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
index 08cd053b5903..c32ef0e9daf6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
@@ -18,7 +18,10 @@ package com.android.systemui.statusbar.car;
 
 import android.app.ActivityManager;
 import android.app.ITaskStackListener;
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.graphics.PixelFormat;
 import android.os.Handler;
 import android.os.Looper;
@@ -52,6 +55,7 @@ public class CarStatusBar extends PhoneStatusBar {
         mTaskStackListener = new TaskStackListenerImpl(mHandler);
         mSystemServicesProxy = new SystemServicesProxy(mContext);
         mSystemServicesProxy.registerTaskStackListener(mTaskStackListener);
+        registerPackageChangeReceivers();
     }
 
     @Override
@@ -81,6 +85,26 @@ public class CarStatusBar extends PhoneStatusBar {
         mController = new CarNavigationBarController(context, mCarNavigationBar,
                 this /* ActivityStarter*/);
         mNavigationBarView = mCarNavigationBar;
+
+    }
+
+    private BroadcastReceiver mPackageChangeReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (intent.getData() == null || mController == null) {
+                return;
+            }
+            String packageName = intent.getData().getSchemeSpecificPart();
+            mController.onPackageChange(packageName);
+        }
+    };
+
+    private void registerPackageChangeReceivers() {
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(Intent.ACTION_PACKAGE_ADDED);
+        filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+        filter.addDataScheme("package");
+        mContext.registerReceiver(mPackageChangeReceiver, filter);
     }
 
     @Override