Merge "Code clean up: remove some dead code."

    /**

     * List of the category's children

     */

    public List<Tile> tiles = new ArrayList<Tile>();

    public List<Tile> tiles = new ArrayList<>();

    public DashboardCategory() {

import android.provider.Settings;

import android.util.ArraySet;

import android.util.Log;

import android.util.Pair;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.Toolbar;

import com.android.settingslib.R;

import com.android.settingslib.applications.InterestingConfigChanges;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

public class SettingsDrawerActivity extends Activity {

    private FrameLayout mContentHeaderContainer;

    // Remove below after new IA

    @Deprecated

    private static List<DashboardCategory> sDashboardCategories;

    @Deprecated

    private static HashMap<Pair<String, String>, Tile> sTileCache;

    @Deprecated

    private static InterestingConfigChanges sConfigTracker;

    // Remove above after new IA

    @Override

    protected void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        getActionBar().setDisplayHomeAsUpEnabled(true);

    }

    public List<DashboardCategory> getDashboardCategories() {

        if (sDashboardCategories == null) {

            sTileCache = new HashMap<>();

            sConfigTracker = new InterestingConfigChanges();

            // Apply initial current config.

            sConfigTracker.applyNewConfig(getResources());

            sDashboardCategories = TileUtils.getCategories(this, sTileCache);

        }

        return sDashboardCategories;

    }

    protected void onCategoriesChanged() {

        final int N = mCategoryListeners.size();

        for (int i = 0; i < N; i++) {