Make sure the dashboard is up to date

Bug: 25794089
Change-Id: I65eaa8e14b3c998ec122eaa9fc4dbbe3749c568c

src/com/android/settings/dashboard/DashboardAdapter.java

@@ -72,6 +72,10 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
         setHasStableIds(true);
     }
 
+    public boolean isShowingAll() {
+        return mIsShowingAll;
+    }
+
     public void notifyChanged(DashboardTile tile) {
         for (int i = 0; i < mItems.size(); i++) {
             if (mItems.get(i) == tile) {

src/com/android/settings/dashboard/DashboardSummary.java

@@ -133,6 +133,13 @@ public class DashboardSummary extends InstrumentedFragment {
         }
 
         long start = System.currentTimeMillis();
+        // TODO: Cache summaries from old categories somehow.
+        List<DashboardCategory> categories =
+                ((SettingsActivity) getActivity()).getDashboardCategories(true);
+        boolean showingAll = mAdapter != null && mAdapter.isShowingAll();
+        mAdapter = new DashboardAdapter(getContext(), categories);
+        mSummaryLoader.setAdapter(mAdapter);
+        mAdapter.setShowingAll(showingAll);
         mDashboard.setAdapter(mAdapter);
 
         long delta = System.currentTimeMillis() - start;

src/com/android/settings/dashboard/SummaryLoader.java

@@ -33,12 +33,13 @@ public class SummaryLoader {
     private static final boolean DEBUG = DashboardSummary.DEBUG;
     private static final String TAG = "SummaryLoader";
 
+    public static final String SUMMARY_PROVIDER_FACTORY = "SUMMARY_PROVIDER_FACTORY";
+
     private final Activity mActivity;
-    private final DashboardAdapter mAdapter;
     private final ArrayMap<SummaryProvider, DashboardTile> mSummaryMap = new ArrayMap<>();
     private final List<DashboardTile> mTiles = new ArrayList<>();
 
-    public static final String SUMMARY_PROVIDER_FACTORY = "SUMMARY_PROVIDER_FACTORY";
+    private DashboardAdapter mAdapter;
 
     public SummaryLoader(Activity activity, DashboardAdapter adapter,
                   List<DashboardCategory> categories) {
@@ -56,6 +57,10 @@ public class SummaryLoader {
         }
     }
 
+    public void setAdapter(DashboardAdapter adapter) {
+        mAdapter = adapter;
+    }
+
     public void setSummary(SummaryProvider provider, CharSequence summary) {
         DashboardTile tile = mSummaryMap.get(provider);
         tile.summary = summary;