First pass at drawer to Settings

Change-Id: I94c3bc69ff773e48c33f59f37bfc0d91139c187a
diff --git a/src/com/android/settings/CreateShortcut.java b/src/com/android/settings/CreateShortcut.java
index 3c1bc6f0..ac27540 100644
--- a/src/com/android/settings/CreateShortcut.java
+++ b/src/com/android/settings/CreateShortcut.java
@@ -31,19 +31,13 @@
 import android.view.View.MeasureSpec;
 import android.widget.ImageView;
 import android.widget.ListView;
-
 import com.android.settings.Settings.TetherSettingsActivity;
-import com.android.settings.dashboard.DashboardCategory;
-import com.android.settings.dashboard.DashboardTile;
 import com.android.settingslib.TetherUtil;
 
-import java.util.ArrayList;
 import java.util.List;
 
 public class CreateShortcut extends LauncherActivity {
 
-    private static final String TOP_LEVEL_HEADER = "com.android.settings.TOP_LEVEL_HEADER_ID";
-
     @Override
     protected Intent getTargetIntent() {
         Intent targetIntent = new Intent(Intent.ACTION_MAIN, null);
@@ -63,10 +57,8 @@
         intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, itemForPosition(position).label);
         ResolveInfo resolveInfo = itemForPosition(position).resolveInfo;
         ActivityInfo activityInfo = resolveInfo.activityInfo;
-        if (activityInfo.metaData != null && activityInfo.metaData.containsKey(TOP_LEVEL_HEADER)) {
-            int topLevelId = activityInfo.metaData.getInt(TOP_LEVEL_HEADER);
-            int resourceId = getDrawableResource(topLevelId);
-            intent.putExtra(Intent.EXTRA_SHORTCUT_ICON, createIcon(resourceId));
+        if (activityInfo.icon != 0) {
+            intent.putExtra(Intent.EXTRA_SHORTCUT_ICON, createIcon(activityInfo.icon));
         }
         setResult(RESULT_OK, intent);
         finish();
@@ -87,19 +79,6 @@
         return bitmap;
     }
 
-    private int getDrawableResource(int topLevelId) {
-        ArrayList<DashboardCategory> categories = new ArrayList<>();
-        SettingsActivity.loadCategoriesFromResource(R.xml.dashboard_categories, categories, this);
-        for (DashboardCategory category : categories) {
-            for (DashboardTile tile : category.tiles) {
-                if (tile.id == topLevelId) {
-                    return tile.iconRes;
-                }
-            }
-        }
-        return 0;
-    }
-
     @Override
     protected boolean onEvaluateShowIcons() {
         return false;
diff --git a/src/com/android/settings/HomeSettings.java b/src/com/android/settings/HomeSettings.java
index fbd2ea5..145dec9 100644
--- a/src/com/android/settings/HomeSettings.java
+++ b/src/com/android/settings/HomeSettings.java
@@ -161,17 +161,6 @@
                 }
             }
         }
-
-        // If we're down to just one possible home app, back out of this settings
-        // fragment and show a dialog explaining to the user that they won't see
-        // 'Home' settings now until such time as there are multiple available.
-        if (mPrefs.size() < 2) {
-            if (mShowNotice) {
-                mShowNotice = false;
-                SettingsActivity.requestHomeNotice();
-            }
-            finishFragment();
-        }
     }
 
     private void buildHomeActivitiesList() {
diff --git a/src/com/android/settings/ProfileSelectDialog.java b/src/com/android/settings/ProfileSelectDialog.java
index 99f962f..9c45ea9 100644
--- a/src/com/android/settings/ProfileSelectDialog.java
+++ b/src/com/android/settings/ProfileSelectDialog.java
@@ -26,7 +26,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 
-import com.android.settings.dashboard.DashboardTile;
+import com.android.settingslib.drawer.DashboardTile;
 
 public class ProfileSelectDialog extends DialogFragment implements OnClickListener {
 
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 7b94d79..fdc55d7 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -118,4 +118,10 @@
     public static class WriteSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AppDrawOverlaySettingsActivity extends SettingsActivity { /* empty */ }
     public static class AppWriteSettingsActivity extends SettingsActivity { /* empty */ }
+
+    // Categories.
+    public static class WirelessSettings extends SettingsActivity { /* empty */ }
+    public static class DeviceSettings extends SettingsActivity { /* empty */ }
+    public static class PersonalSettings extends SettingsActivity { /* empty */ }
+    public static class SystemSettings extends SettingsActivity { /* empty */ }
 }
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index c979f76..53d6024 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -17,7 +17,6 @@
 package com.android.settings;
 
 import android.app.ActionBar;
-import android.app.Activity;
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
@@ -32,12 +31,8 @@
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.content.res.Configuration;
-import android.content.res.TypedArray;
-import android.content.res.XmlResourceParser;
 import android.nfc.NfcAdapter;
 import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.support.v14.preference.PreferenceFragment;
@@ -45,12 +40,7 @@
 import android.support.v7.preference.PreferenceManager;
 import android.text.TextUtils;
 import android.transition.TransitionManager;
-import android.util.ArrayMap;
-import android.util.AttributeSet;
 import android.util.Log;
-import android.util.Pair;
-import android.util.TypedValue;
-import android.util.Xml;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -59,10 +49,9 @@
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.SearchView;
-
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.util.ArrayUtils;
-import com.android.internal.util.XmlUtils;
+import com.android.settings.Settings.WifiSettingsActivity;
 import com.android.settings.accessibility.AccessibilitySettings;
 import com.android.settings.accessibility.CaptionPropertiesFragment;
 import com.android.settings.accounts.AccountSettings;
@@ -76,10 +65,7 @@
 import com.android.settings.applications.UsageAccessDetails;
 import com.android.settings.applications.WriteSettingsDetails;
 import com.android.settings.bluetooth.BluetoothSettings;
-import com.android.settings.dashboard.DashboardCategory;
 import com.android.settings.dashboard.DashboardSummary;
-import com.android.settings.dashboard.DashboardTile;
-import com.android.settings.dashboard.NoHomeDialogFragment;
 import com.android.settings.dashboard.SearchResultsSummary;
 import com.android.settings.deviceinfo.PrivateVolumeForget;
 import com.android.settings.deviceinfo.PrivateVolumeSettings;
@@ -120,19 +106,15 @@
 import com.android.settings.wifi.SavedAccessPointsWifiSettings;
 import com.android.settings.wifi.WifiSettings;
 import com.android.settings.wifi.p2p.WifiP2pSettings;
+import com.android.settingslib.drawer.DashboardCategory;
+import com.android.settingslib.drawer.DashboardTile;
+import com.android.settingslib.drawer.SettingsDrawerActivity;
 
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
 
-import static com.android.settings.dashboard.DashboardTile.TILE_ID_UNDEFINED;
-
-public class SettingsActivity extends Activity
+public class SettingsActivity extends SettingsDrawerActivity
         implements PreferenceManager.OnPreferenceTreeClickListener,
         PreferenceFragment.OnPreferenceStartFragmentCallback,
         ButtonBarHandler, FragmentManager.OnBackStackChangedListener,
@@ -213,70 +195,38 @@
 
     private static final String EMPTY_QUERY = "";
 
-    /**
-     * Settings will search for system activities of this action and add them as a top level
-     * settings tile using the following parameters.
-     *
-     * <p>A category must be specified in the meta-data for the activity named
-     * {@link #EXTRA_CATEGORY_KEY}
-     *
-     * <p>The title may be defined by meta-data named {@link Utils#META_DATA_PREFERENCE_TITLE}
-     * otherwise the label for the activity will be used.
-     *
-     * <p>The icon may be defined by meta-data named {@link Utils#META_DATA_PREFERENCE_ICON}
-     * otherwise the icon for the activity will be used.
-     *
-     * <p>A summary my be defined by meta-data named {@link Utils#META_DATA_PREFERENCE_SUMMARY}
-     */
-    private static final String EXTRA_SETTINGS_ACTION =
-            "com.android.settings.action.EXTRA_SETTINGS";
-
-    /**
-     * The key used to get the category from metadata of activities of action
-     * {@link #EXTRA_SETTINGS_ACTION}
-     * The value must be one of:
-     * <li>com.android.settings.category.wireless</li>
-     * <li>com.android.settings.category.device</li>
-     * <li>com.android.settings.category.personal</li>
-     * <li>com.android.settings.category.system</li>
-     */
-    private static final String EXTRA_CATEGORY_KEY = "com.android.settings.category";
-
-    private static boolean sShowNoHomeNotice = false;
-
     private String mFragmentClass;
 
     private CharSequence mInitialTitle;
     private int mInitialTitleResId;
 
     // Show only these settings for restricted users
-    private int[] SETTINGS_FOR_RESTRICTED = {
-            R.id.wireless_section,
-            R.id.wifi_settings,
-            R.id.bluetooth_settings,
-            R.id.data_usage_settings,
-            R.id.sim_settings,
-            R.id.wireless_settings,
-            R.id.device_section,
-            R.id.notification_settings,
-            R.id.display_settings,
-            R.id.storage_settings,
-            R.id.application_settings,
-            R.id.battery_settings,
-            R.id.personal_section,
-            R.id.location_settings,
-            R.id.security_settings,
-            R.id.language_settings,
-            R.id.user_settings,
-            R.id.account_settings,
-            R.id.system_section,
-            R.id.date_time_settings,
-            R.id.about_settings,
-            R.id.accessibility_settings,
-            R.id.print_settings,
-            R.id.nfc_payment_settings,
-            R.id.home_settings,
-            R.id.dashboard
+    private String[] SETTINGS_FOR_RESTRICTED = {
+            //wireless_section
+            WifiSettingsActivity.class.getName(),
+            Settings.BluetoothSettingsActivity.class.getName(),
+            Settings.DataUsageSummaryActivity.class.getName(),
+            Settings.SimSettingsActivity.class.getName(),
+            Settings.WirelessSettingsActivity.class.getName(),
+            //device_section
+            Settings.HomeSettingsActivity.class.getName(),
+            Settings.NotificationSettingsActivity.class.getName(),
+            Settings.DisplaySettingsActivity.class.getName(),
+            Settings.StorageSettingsActivity.class.getName(),
+            Settings.ManageApplicationsActivity.class.getName(),
+            Settings.PowerUsageSummaryActivity.class.getName(),
+            //personal_section
+            Settings.LocationSettingsActivity.class.getName(),
+            Settings.SecuritySettingsActivity.class.getName(),
+            Settings.InputMethodAndLanguageSettingsActivity.class.getName(),
+            Settings.UserSettingsActivity.class.getName(),
+            Settings.AccountSettingsActivity.class.getName(),
+            //system_section
+            Settings.DateTimeSettingsActivity.class.getName(),
+            Settings.DeviceInfoSettingsActivity.class.getName(),
+            Settings.AccessibilitySettingsActivity.class.getName(),
+            Settings.PrintSettingsActivity.class.getName(),
+            Settings.PaymentSettingsActivity.class.getName(),
     };
 
     private static final String[] ENTRY_FRAGMENTS = {
@@ -371,7 +321,7 @@
 
                 if (mBatteryPresent != batteryPresent) {
                     mBatteryPresent = batteryPresent;
-                    invalidateCategories(true);
+                    updateTilesList();
                 }
             }
         }
@@ -403,20 +353,6 @@
     private ArrayList<DashboardCategory> mCategories = new ArrayList<DashboardCategory>();
 
     private static final String MSG_DATA_FORCE_REFRESH = "msg_data_force_refresh";
-    private static final int MSG_BUILD_CATEGORIES = 1;
-    private Handler mHandler = new Handler() {
-        @Override
-        public void handleMessage(Message msg) {
-            switch (msg.what) {
-                case MSG_BUILD_CATEGORIES: {
-                    final boolean forceRefresh = msg.getData().getBoolean(MSG_DATA_FORCE_REFRESH);
-                    if (forceRefresh) {
-                        buildDashboardCategories(mCategories);
-                    }
-                } break;
-            }
-        }
-    };
 
     private boolean mNeedToRevertToInitialFragment = false;
     private int mHomeActivitiesCount = 1;
@@ -427,13 +363,6 @@
         return mSwitchBar;
     }
 
-    public List<DashboardCategory> getDashboardCategories(boolean forceRefresh) {
-        if (forceRefresh || mCategories.size() == 0) {
-            buildDashboardCategories(mCategories);
-        }
-        return mCategories;
-    }
-
     @Override
     public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) {
         // Override the fragment title for Wallpaper settings
@@ -451,14 +380,6 @@
         return false;
     }
 
-    private void invalidateCategories(boolean forceRefresh) {
-        if (!mHandler.hasMessages(MSG_BUILD_CATEGORIES)) {
-            Message msg = new Message();
-            msg.what = MSG_BUILD_CATEGORIES;
-            msg.getData().putBoolean(MSG_DATA_FORCE_REFRESH, forceRefresh);
-        }
-    }
-
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
@@ -549,7 +470,11 @@
         final ComponentName cn = intent.getComponent();
         final String className = cn.getClassName();
 
-        mIsShowingDashboard = className.equals(Settings.class.getName());
+        mIsShowingDashboard = className.equals(Settings.class.getName())
+                || className.equals(Settings.WirelessSettings.class.getName())
+                || className.equals(Settings.DeviceSettings.class.getName())
+                || className.equals(Settings.PersonalSettings.class.getName())
+                || className.equals(Settings.WirelessSettings.class.getName());
 
         // This is a "Sub Settings" when:
         // - this is a real SubSettings
@@ -800,16 +725,10 @@
             MetricsLogger.visible(this, MetricsLogger.MAIN_SETTINGS);
         }
 
-        final int newHomeActivityCount = getHomeActivitiesCount();
-        if (newHomeActivityCount != mHomeActivitiesCount) {
-            mHomeActivitiesCount = newHomeActivityCount;
-            invalidateCategories(true);
-        }
-
         mDevelopmentPreferencesListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
             @Override
             public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-                invalidateCategories(true);
+                updateTilesList();
             }
         };
         mDevelopmentPreferences.registerOnSharedPreferenceChangeListener(
@@ -822,6 +741,7 @@
         if(mDisplaySearch && !TextUtils.isEmpty(mSearchQuery)) {
             onQueryTextSubmit(mSearchQuery);
         }
+        updateTilesList();
     }
 
     @Override
@@ -1030,346 +950,94 @@
         return f;
     }
 
-    /**
-     * Called when the activity needs its list of categories/tiles built.
-     *
-     * @param categories The list in which to place the tiles categories.
-     */
-    private void buildDashboardCategories(List<DashboardCategory> categories) {
-        categories.clear();
-        loadCategoriesFromResource(R.xml.dashboard_categories, categories, this);
-        updateTilesList(categories);
-    }
-
-    /**
-     * Parse the given XML file as a categories description, adding each
-     * parsed categories and tiles into the target list.
-     *
-     * @param resid The XML resource to load and parse.
-     * @param target The list in which the parsed categories and tiles should be placed.
-     */
-    public static void loadCategoriesFromResource(int resid, List<DashboardCategory> target,
-            Context context) {
-        XmlResourceParser parser = null;
-        try {
-            parser = context.getResources().getXml(resid);
-            AttributeSet attrs = Xml.asAttributeSet(parser);
-
-            int type;
-            while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
-                    && type != XmlPullParser.START_TAG) {
-                // Parse next until start tag is found
-            }
-
-            String nodeName = parser.getName();
-            if (!"dashboard-categories".equals(nodeName)) {
-                throw new RuntimeException(
-                        "XML document must start with <preference-categories> tag; found"
-                                + nodeName + " at " + parser.getPositionDescription());
-            }
-
-            Bundle curBundle = null;
-
-            final int outerDepth = parser.getDepth();
-            while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
-                    && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
-                if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
-                    continue;
-                }
-
-                nodeName = parser.getName();
-                if ("dashboard-category".equals(nodeName)) {
-                    DashboardCategory category = new DashboardCategory();
-
-                    TypedArray sa = context.obtainStyledAttributes(
-                            attrs, com.android.internal.R.styleable.PreferenceHeader);
-                    category.id = sa.getResourceId(
-                            com.android.internal.R.styleable.PreferenceHeader_id,
-                            (int)DashboardCategory.CAT_ID_UNDEFINED);
-
-                    TypedValue tv = sa.peekValue(
-                            com.android.internal.R.styleable.PreferenceHeader_title);
-                    if (tv != null && tv.type == TypedValue.TYPE_STRING) {
-                        if (tv.resourceId != 0) {
-                            category.titleRes = tv.resourceId;
-                        } else {
-                            category.title = tv.string;
-                        }
-                    }
-                    sa.recycle();
-                    sa = context.obtainStyledAttributes(attrs,
-                            com.android.internal.R.styleable.Preference);
-                    tv = sa.peekValue(
-                            com.android.internal.R.styleable.Preference_key);
-                    if (tv != null && tv.type == TypedValue.TYPE_STRING) {
-                        if (tv.resourceId != 0) {
-                            category.key = context.getString(tv.resourceId);
-                        } else {
-                            category.key = tv.string.toString();
-                        }
-                    }
-                    sa.recycle();
-
-                    final int innerDepth = parser.getDepth();
-                    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
-                            && (type != XmlPullParser.END_TAG || parser.getDepth() > innerDepth)) {
-                        if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
-                            continue;
-                        }
-
-                        String innerNodeName = parser.getName();
-                        if (innerNodeName.equals("dashboard-tile")) {
-                            DashboardTile tile = new DashboardTile();
-
-                            sa = context.obtainStyledAttributes(
-                                    attrs, com.android.internal.R.styleable.PreferenceHeader);
-                            tile.id = sa.getResourceId(
-                                    com.android.internal.R.styleable.PreferenceHeader_id,
-                                    (int)TILE_ID_UNDEFINED);
-                            tv = sa.peekValue(
-                                    com.android.internal.R.styleable.PreferenceHeader_title);
-                            if (tv != null && tv.type == TypedValue.TYPE_STRING) {
-                                if (tv.resourceId != 0) {
-                                    tile.titleRes = tv.resourceId;
-                                } else {
-                                    tile.title = tv.string;
-                                }
-                            }
-                            tv = sa.peekValue(
-                                    com.android.internal.R.styleable.PreferenceHeader_summary);
-                            if (tv != null && tv.type == TypedValue.TYPE_STRING) {
-                                if (tv.resourceId != 0) {
-                                    tile.summaryRes = tv.resourceId;
-                                } else {
-                                    tile.summary = tv.string;
-                                }
-                            }
-                            tile.iconRes = sa.getResourceId(
-                                    com.android.internal.R.styleable.PreferenceHeader_icon, 0);
-                            tile.fragment = sa.getString(
-                                    com.android.internal.R.styleable.PreferenceHeader_fragment);
-                            sa.recycle();
-
-                            if (curBundle == null) {
-                                curBundle = new Bundle();
-                            }
-
-                            final int innerDepth2 = parser.getDepth();
-                            while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
-                                    && (type != XmlPullParser.END_TAG || parser.getDepth() > innerDepth2)) {
-                                if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
-                                    continue;
-                                }
-
-                                String innerNodeName2 = parser.getName();
-                                if (innerNodeName2.equals("extra")) {
-                                    context.getResources().parseBundleExtra("extra", attrs,
-                                            curBundle);
-                                    XmlUtils.skipCurrentTag(parser);
-
-                                } else if (innerNodeName2.equals("intent")) {
-                                    tile.intent = Intent.parseIntent(context.getResources(), parser,
-                                            attrs);
-
-                                } else {
-                                    XmlUtils.skipCurrentTag(parser);
-                                }
-                            }
-
-                            if (curBundle.size() > 0) {
-                                tile.fragmentArguments = curBundle;
-                                curBundle = null;
-                            }
-
-                            // Show the SIM Cards setting if there are more than 2 SIMs installed.
-                            if(tile.id != R.id.sim_settings || Utils.showSimCardTile(context)){
-                                category.addTile(tile);
-                            }
-
-                        } else if (innerNodeName.equals("external-tiles")) {
-                            category.externalIndex = category.getTilesCount();
-                        } else {
-                            XmlUtils.skipCurrentTag(parser);
-                        }
-                    }
-
-                    target.add(category);
-                } else {
-                    XmlUtils.skipCurrentTag(parser);
-                }
-            }
-
-        } catch (XmlPullParserException e) {
-            throw new RuntimeException("Error parsing categories", e);
-        } catch (IOException e) {
-            throw new RuntimeException("Error parsing categories", e);
-        } finally {
-            if (parser != null) parser.close();
-        }
-    }
-
-    private void updateTilesList(List<DashboardCategory> target) {
-        final boolean showDev = mDevelopmentPreferences.getBoolean(
-                DevelopmentSettings.PREF_SHOW,
-                android.os.Build.TYPE.equals("eng"));
-
+    private void updateTilesList() {
+        PackageManager pm = getPackageManager();
         final UserManager um = UserManager.get(this);
         final boolean isAdmin = um.isAdminUser();
 
-        final int size = target.size();
-        for (int i = 0; i < size; i++) {
+        String packageName = getPackageName();
+        setTileEnabled(new ComponentName(packageName, WifiSettingsActivity.class.getName()),
+                pm.hasSystemFeature(PackageManager.FEATURE_WIFI), isAdmin, pm);
 
-            DashboardCategory category = target.get(i);
+        setTileEnabled(new ComponentName(packageName,
+                Settings.BluetoothSettingsActivity.class.getName()),
+                pm.hasSystemFeature(PackageManager.FEATURE_BLUETOOTH), isAdmin, pm);
 
-            // Ids are integers, so downcasting is ok
-            int id = (int) category.id;
-            int n = category.getTilesCount() - 1;
-            while (n >= 0) {
+        setTileEnabled(new ComponentName(packageName,
+                Settings.DataUsageSummaryActivity.class.getName()),
+                Utils.isBandwidthControlEnabled(), isAdmin, pm);
 
-                DashboardTile tile = category.getTile(n);
-                boolean removeTile = false;
-                id = (int) tile.id;
-                if (id == R.id.operator_settings || id == R.id.manufacturer_settings) {
-                    if (!Utils.updateTileToSpecificActivityFromMetaDataOrRemove(this, tile)) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.wifi_settings) {
-                    // Remove WiFi Settings if WiFi service is not available.
-                    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI)) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.bluetooth_settings) {
-                    // Remove Bluetooth Settings if Bluetooth service is not available.
-                    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.data_usage_settings) {
-                    // Remove data usage when kernel module not enabled
-                    if (!Utils.isBandwidthControlEnabled()) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.battery_settings) {
-                    // Remove battery settings when battery is not available. (e.g. TV)
+        setTileEnabled(new ComponentName(packageName,
+                Settings.SimSettingsActivity.class.getName()),
+                Utils.showSimCardTile(this), isAdmin, pm);
 
-                    if (!mBatteryPresent) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.home_settings) {
-                    if (!updateHomeSettingTiles(tile)) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.user_settings) {
-                    if (!UserHandle.MU_ENABLED
-                            || !UserManager.supportsMultipleUsers()
-                            || Utils.isMonkeyRunning()) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.nfc_payment_settings) {
-                    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC)) {
-                        removeTile = true;
-                    } else {
-                        // Only show if NFC is on and we have the HCE feature
-                        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(this);
-                        if (adapter == null || !adapter.isEnabled() ||
-                                !getPackageManager().hasSystemFeature(
-                                        PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)) {
-                            removeTile = true;
-                        }
-                    }
-                } else if (id == R.id.print_settings) {
-                    boolean hasPrintingSupport = getPackageManager().hasSystemFeature(
-                            PackageManager.FEATURE_PRINTING);
-                    if (!hasPrintingSupport) {
-                        removeTile = true;
-                    }
-                } else if (id == R.id.development_settings) {
-                    if (!showDev || um.hasUserRestriction(
-                            UserManager.DISALLOW_DEBUGGING_FEATURES)) {
-                        removeTile = true;
+        setTileEnabled(new ComponentName(packageName,
+                Settings.PowerUsageSummaryActivity.class.getName()),
+                mBatteryPresent, isAdmin, pm);
+
+        setTileEnabled(new ComponentName(packageName,
+                Settings.HomeSettingsActivity.class.getName()),
+                updateHomeSettingTiles(), isAdmin, pm);
+
+        setTileEnabled(new ComponentName(packageName,
+                Settings.UserSettingsActivity.class.getName()),
+                UserHandle.MU_ENABLED && UserManager.supportsMultipleUsers()
+                && !Utils.isMonkeyRunning(), isAdmin, pm);
+
+        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(this);
+        setTileEnabled(new ComponentName(packageName,
+                        Settings.PaymentSettingsActivity.class.getName()),
+                pm.hasSystemFeature(PackageManager.FEATURE_NFC)
+                        && pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)
+                        && adapter != null && adapter.isEnabled(), isAdmin, pm);
+
+        setTileEnabled(new ComponentName(packageName,
+                Settings.PrintSettingsActivity.class.getName()),
+                pm.hasSystemFeature(PackageManager.FEATURE_PRINTING), isAdmin, pm);
+
+        final boolean showDev = mDevelopmentPreferences.getBoolean(
+                DevelopmentSettings.PREF_SHOW,
+                android.os.Build.TYPE.equals("eng"));
+        setTileEnabled(new ComponentName(packageName,
+                        Settings.DevelopmentSettingsActivity.class.getName()),
+                showDev && !um.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES),
+                isAdmin, pm);
+
+        if (UserHandle.MU_ENABLED && !isAdmin) {
+            // When on restricted users, disable all extra categories (but only the settings ones).
+            List<DashboardCategory> categories = getDashboardCategories(true);
+            for (DashboardCategory category : categories) {
+                for (DashboardTile tile : category.tiles) {
+                    ComponentName component = tile.intent.getComponent();
+                    if (packageName.equals(component)&& !ArrayUtils.contains(
+                            SETTINGS_FOR_RESTRICTED, component.getClassName())) {
+                        setTileEnabled(component, false, isAdmin, pm);
                     }
                 }
-
-                if (UserHandle.MU_ENABLED && !isAdmin
-                        && !ArrayUtils.contains(SETTINGS_FOR_RESTRICTED, id)) {
-                    removeTile = true;
-                }
-
-                if (removeTile && n < category.getTilesCount()) {
-                    category.removeTile(n);
-                }
-                n--;
             }
         }
-        addExternalTiles(target);
+
+        updateDrawer();
     }
 
-    private void addExternalTiles(List<DashboardCategory> target) {
-        Map<Pair<String, String>, DashboardTile> addedCache =
-                new ArrayMap<Pair<String, String>, DashboardTile>();
-        UserManager userManager = UserManager.get(this);
-        for (UserHandle user : userManager.getUserProfiles()) {
-            addExternalTiles(target, user, addedCache);
+    private void setTileEnabled(ComponentName component, boolean enabled, boolean isAdmin,
+                                PackageManager pm) {
+        if (UserHandle.MU_ENABLED && !isAdmin
+                && !ArrayUtils.contains(SETTINGS_FOR_RESTRICTED, component.getClassName())) {
+            enabled = false;
+        }
+        int state = pm.getComponentEnabledSetting(component);
+        boolean isEnabled = state == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
+                || state == PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
+        if (isEnabled != enabled) {
+            pm.setComponentEnabledSetting(component, enabled
+                    ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
+                    : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
+                    PackageManager.DONT_KILL_APP);
         }
     }
 
-    private void addExternalTiles(List<DashboardCategory> target, UserHandle user,
-            Map<Pair<String, String>, DashboardTile> addedCache) {
-        PackageManager pm = getPackageManager();
-        Intent intent = new Intent(EXTRA_SETTINGS_ACTION);
-        List<ResolveInfo> results = pm.queryIntentActivitiesAsUser(intent,
-                PackageManager.GET_META_DATA, user.getIdentifier());
-        for (ResolveInfo resolved : results) {
-            if (!resolved.system) {
-                // Do not allow any app to add to settings, only system ones.
-                continue;
-            }
-            ActivityInfo activityInfo = resolved.activityInfo;
-            Bundle metaData = activityInfo.metaData;
-            if ((metaData == null) || !metaData.containsKey(EXTRA_CATEGORY_KEY)) {
-                Log.w(LOG_TAG, "Found " + resolved.activityInfo.name + " for action "
-                        + EXTRA_SETTINGS_ACTION + " missing metadata " +
-                        (metaData == null ? "" : EXTRA_CATEGORY_KEY));
-                continue;
-            }
-            String categoryKey = metaData.getString(EXTRA_CATEGORY_KEY);
-            DashboardCategory category = getCategory(target, categoryKey);
-            if (category == null) {
-                Log.w(LOG_TAG, "Activity " + resolved.activityInfo.name + " has unknown "
-                        + "category key " + categoryKey);
-                continue;
-            }
-            Pair<String, String> key = new Pair<String, String>(activityInfo.packageName,
-                    activityInfo.name);
-            DashboardTile tile = addedCache.get(key);
-            if (tile == null) {
-                tile = new DashboardTile();
-                tile.intent = new Intent().setClassName(
-                        activityInfo.packageName, activityInfo.name);
-                Utils.updateTileToSpecificActivityFromMetaDataOrRemove(this, tile);
-
-                if (category.externalIndex == -1) {
-                    // If no location for external tiles has been specified for this category,
-                    // then just put them at the end.
-                    category.addTile(tile);
-                } else {
-                    category.addTile(category.externalIndex, tile);
-                }
-                addedCache.put(key, tile);
-            }
-            tile.userHandle.add(user);
-        }
-    }
-
-    private DashboardCategory getCategory(List<DashboardCategory> target, String categoryKey) {
-        for (DashboardCategory category : target) {
-            if (categoryKey.equals(category.key)) {
-                return category;
-            }
-        }
-        return null;
-    }
-
-    private boolean updateHomeSettingTiles(DashboardTile tile) {
+    private boolean updateHomeSettingTiles() {
         // Once we decide to show Home settings, keep showing it forever
         SharedPreferences sp = getSharedPreferences(HomeSettings.HOME_PREFS, Context.MODE_PRIVATE);
         if (sp.getBoolean(HomeSettings.HOME_PREFS_DO_SHOW, false)) {
@@ -1379,23 +1047,7 @@
         try {
             mHomeActivitiesCount = getHomeActivitiesCount();
             if (mHomeActivitiesCount < 2) {
-                // When there's only one available home app, omit this settings
-                // category entirely at the top level UI.  If the user just
-                // uninstalled the penultimate home app candidiate, we also
-                // now tell them about why they aren't seeing 'Home' in the list.
-                if (sShowNoHomeNotice) {
-                    sShowNoHomeNotice = false;
-                    NoHomeDialogFragment.show(this);
-                }
                 return false;
-            } else {
-                // Okay, we're allowing the Home settings category.  Tell it, when
-                // invoked via this front door, that we'll need to be told about the
-                // case when the user uninstalls all but one home app.
-                if (tile.fragmentArguments == null) {
-                    tile.fragmentArguments = new Bundle();
-                }
-                tile.fragmentArguments.putBoolean(HomeSettings.HOME_SHOW_NOTICE, true);
             }
         } catch (Exception e) {
             // Can't look up the home activity; bail on configuring the icon
@@ -1432,10 +1084,6 @@
         return super.shouldUpRecreateTask(new Intent(this, SettingsActivity.class));
     }
 
-    public static void requestHomeNotice() {
-        sShowNoHomeNotice = true;
-    }
-
     @Override
     public boolean onQueryTextSubmit(String query) {
         switchToSearchResultsFragmentIfNeeded();
@@ -1475,6 +1123,16 @@
         return true;
     }
 
+    @Override
+    protected void onTileClicked(DashboardTile tile) {
+        if (mIsShowingDashboard) {
+            // If on dashboard, don't finish so the back comes back to here.
+            openTile(tile);
+        } else {
+            super.onTileClicked(tile);
+        }
+    }
+
     private void switchToSearchResultsFragmentIfNeeded() {
         if (mSearchResultsFragment != null) {
             return;
diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index 7129a81..a9d2c8a 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -41,12 +41,10 @@
 import android.content.pm.Signature;
 import android.content.pm.UserInfo;
 import android.content.res.Resources;
-import android.content.res.Resources.NotFoundException;
 import android.content.res.TypedArray;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
-import android.hardware.usb.IUsbManager;
 import android.net.ConnectivityManager;
 import android.net.LinkProperties;
 import android.net.Uri;
@@ -84,11 +82,8 @@
 import android.view.animation.AnimationUtils;
 import android.widget.ListView;
 import android.widget.TabWidget;
-
 import com.android.internal.util.UserIcons;
 import com.android.settings.UserAdapter.UserDetails;
-import com.android.settings.dashboard.DashboardTile;
-import com.android.settingslib.applications.ApplicationsState;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -123,24 +118,6 @@
             0xfffabf2c, 0xff679e37, 0xff0a7f42
     };
 
-    /**
-     * Name of the meta-data item that should be set in the AndroidManifest.xml
-     * to specify the icon that should be displayed for the preference.
-     */
-    public static final String META_DATA_PREFERENCE_ICON = "com.android.settings.icon";
-
-    /**
-     * Name of the meta-data item that should be set in the AndroidManifest.xml
-     * to specify the title that should be displayed for the preference.
-     */
-    public static final String META_DATA_PREFERENCE_TITLE = "com.android.settings.title";
-
-    /**
-     * Name of the meta-data item that should be set in the AndroidManifest.xml
-     * to specify the summary text that should be displayed for the preference.
-     */
-    public static final String META_DATA_PREFERENCE_SUMMARY = "com.android.settings.summary";
-
     private static final String SETTINGS_PACKAGE_NAME = "com.android.settings";
 
     private static final int SECONDS_PER_MINUTE = 60;
@@ -206,74 +183,6 @@
         return false;
     }
 
-    public static boolean updateTileToSpecificActivityFromMetaDataOrRemove(Context context,
-            DashboardTile tile) {
-
-        Intent intent = tile.intent;
-        if (intent != null) {
-            // Find the activity that is in the system image
-            PackageManager pm = context.getPackageManager();
-            List<ResolveInfo> list = tile.userHandle.size() != 0
-                    ? pm.queryIntentActivitiesAsUser(intent, PackageManager.GET_META_DATA,
-                            tile.userHandle.get(0).getIdentifier())
-                    : pm.queryIntentActivities(intent, PackageManager.GET_META_DATA);
-            int listSize = list.size();
-            for (int i = 0; i < listSize; i++) {
-                ResolveInfo resolveInfo = list.get(i);
-                if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM)
-                        != 0) {
-                    int icon = 0;
-                    CharSequence title = null;
-                    String summary = null;
-
-                    // Get the activity's meta-data
-                    try {
-                        Resources res = pm.getResourcesForApplication(
-                                resolveInfo.activityInfo.packageName);
-                        Bundle metaData = resolveInfo.activityInfo.metaData;
-
-                        if (res != null && metaData != null) {
-                            if (metaData.containsKey(META_DATA_PREFERENCE_ICON)) {
-                                icon = metaData.getInt(META_DATA_PREFERENCE_ICON);
-                            }
-                            if (metaData.containsKey(META_DATA_PREFERENCE_TITLE)) {
-                                title = res.getString(metaData.getInt(META_DATA_PREFERENCE_TITLE));
-                            }
-                            if (metaData.containsKey(META_DATA_PREFERENCE_SUMMARY)) {
-                                summary = res.getString(
-                                        metaData.getInt(META_DATA_PREFERENCE_SUMMARY));
-                            }
-                        }
-                    } catch (NameNotFoundException | NotFoundException e) {
-                        // Ignore
-                    }
-
-                    // Set the preference title to the activity's label if no
-                    // meta-data is found
-                    if (TextUtils.isEmpty(title)) {
-                        title = resolveInfo.loadLabel(pm).toString();
-                    }
-                    if (icon == 0) {
-                        icon = resolveInfo.activityInfo.icon;
-                    }
-
-                    // Set icon, title and summary for the preference
-                    tile.iconRes = icon;
-                    tile.iconPkg = resolveInfo.activityInfo.packageName;
-                    tile.title = title;
-                    tile.summary = summary;
-                    // Replace the intent with this specific activity
-                    tile.intent = new Intent().setClassName(resolveInfo.activityInfo.packageName,
-                            resolveInfo.activityInfo.name);
-
-                    return true;
-                }
-            }
-        }
-
-        return false;
-    }
-
     /**
      * Returns true if Monkey is running.
      */
diff --git a/src/com/android/settings/dashboard/DashboardCategory.java b/src/com/android/settings/dashboard/DashboardCategory.java
deleted file mode 100644
index 69d0316..0000000
--- a/src/com/android/settings/dashboard/DashboardCategory.java
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.dashboard;
-
-import android.content.res.Resources;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.text.TextUtils;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class DashboardCategory implements Parcelable {
-
-    /**
-     * Default value for {@link com.android.settings.dashboard.DashboardCategory#id DashboardCategory.id}
-     * indicating that no identifier value is set.  All other values (including those below -1)
-     * are valid.
-     */
-    public static final long CAT_ID_UNDEFINED = -1;
-
-    /**
-     * Identifier for this tile, to correlate with a new list when
-     * it is updated.  The default value is
-     * {@link com.android.settings.dashboard.DashboardTile#TILE_ID_UNDEFINED}, meaning no id.
-     * @attr ref android.R.styleable#PreferenceHeader_id
-     */
-    public long id = CAT_ID_UNDEFINED;
-
-    /**
-     * Resource ID of title of the category that is shown to the user.
-     */
-    public int titleRes;
-
-    /**
-     * Title of the category that is shown to the user.
-     */
-    public CharSequence title;
-
-    /**
-     * Key used for placing external tiles.
-     */
-    public String key;
-
-    /**
-     * Optional index of where to place tiles specified by system apps.
-     */
-    public int externalIndex = -1;
-
-    /**
-     * List of the category's children
-     */
-    public List<DashboardTile> tiles = new ArrayList<DashboardTile>();
-
-
-    public DashboardCategory() {
-        // Empty
-    }
-
-    public void addTile(DashboardTile tile) {
-        tiles.add(tile);
-    }
-
-    public void addTile(int n, DashboardTile tile) {
-        tiles.add(n, tile);
-    }
-
-    public void removeTile(DashboardTile tile) {
-        tiles.remove(tile);
-    }
-
-    public void removeTile(int n) {
-        tiles.remove(n);
-    }
-
-    public int getTilesCount() {
-        return tiles.size();
-    }
-
-    public DashboardTile getTile(int n) {
-        return tiles.get(n);
-    }
-
-    /**
-     * Return the currently set title.  If {@link #titleRes} is set,
-     * this resource is loaded from <var>res</var> and returned.  Otherwise
-     * {@link #title} is returned.
-     */
-    public CharSequence getTitle(Resources res) {
-        if (titleRes != 0) {
-            return res.getText(titleRes);
-        }
-        return title;
-    }
-
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        dest.writeInt(titleRes);
-        dest.writeInt(externalIndex);
-        TextUtils.writeToParcel(title, dest, flags);
-        dest.writeString(key);
-
-        final int count = tiles.size();
-        dest.writeInt(count);
-
-        for (int n = 0; n < count; n++) {
-            DashboardTile tile = tiles.get(n);
-            tile.writeToParcel(dest, flags);
-        }
-    }
-
-    public void readFromParcel(Parcel in) {
-        titleRes = in.readInt();
-        externalIndex = in.readInt();
-        title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
-        key = in.readString();
-
-        final int count = in.readInt();
-
-        for (int n = 0; n < count; n++) {
-            DashboardTile tile = DashboardTile.CREATOR.createFromParcel(in);
-            tiles.add(tile);
-        }
-    }
-
-    DashboardCategory(Parcel in) {
-        readFromParcel(in);
-    }
-
-    public static final Creator<DashboardCategory> CREATOR = new Creator<DashboardCategory>() {
-        public DashboardCategory createFromParcel(Parcel source) {
-            return new DashboardCategory(source);
-        }
-
-        public DashboardCategory[] newArray(int size) {
-            return new DashboardCategory[size];
-        }
-    };
-}
diff --git a/src/com/android/settings/dashboard/DashboardSummary.java b/src/com/android/settings/dashboard/DashboardSummary.java
index 6408636..6f10ac6 100644
--- a/src/com/android/settings/dashboard/DashboardSummary.java
+++ b/src/com/android/settings/dashboard/DashboardSummary.java
@@ -20,7 +20,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
@@ -42,6 +41,8 @@
 import com.android.settings.InstrumentedFragment;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
+import com.android.settingslib.drawer.DashboardCategory;
+import com.android.settingslib.drawer.DashboardTile;
 
 import java.util.List;
 
@@ -147,7 +148,7 @@
                     false);
 
             TextView categoryLabel = (TextView) categoryView.findViewById(R.id.category_title);
-            categoryLabel.setText(category.getTitle(res));
+            categoryLabel.setText(category.title);
 
             ViewGroup categoryContent =
                     (ViewGroup) categoryView.findViewById(R.id.category_content);
@@ -175,11 +176,11 @@
     private void updateTileView(Context context, Resources res, DashboardTile tile,
             ImageView tileIcon, TextView tileTextView, TextView statusTextView) {
 
-        if (!TextUtils.isEmpty(tile.iconPkg)) {
-            try {
-                Drawable drawable = context.getPackageManager()
-                        .getResourcesForApplication(tile.iconPkg).getDrawable(tile.iconRes, null);
-                if (!tile.iconPkg.equals(context.getPackageName()) && drawable != null) {
+        if (tile.icon != null) {
+            if (!TextUtils.isEmpty(tile.icon.getResPackage())) {
+                Drawable drawable = tile.icon.loadDrawable(context);
+                if (!tile.icon.getResPackage().equals(context.getPackageName())
+                        && drawable != null) {
                     // If this drawable is coming from outside Settings, tint it to match the color.
                     TypedValue tintColor = new TypedValue();
                     context.getTheme().resolveAttribute(com.android.internal.R.attr.colorAccent,
@@ -187,20 +188,17 @@
                     drawable.setTint(tintColor.data);
                 }
                 tileIcon.setImageDrawable(drawable);
-            } catch (NameNotFoundException | Resources.NotFoundException e) {
-                tileIcon.setImageDrawable(null);
-                tileIcon.setBackground(null);
+            } else {
+                tileIcon.setImageIcon(tile.icon);
             }
-        } else if (tile.iconRes > 0) {
-            tileIcon.setImageResource(tile.iconRes);
         } else {
             tileIcon.setImageDrawable(null);
             tileIcon.setBackground(null);
         }
 
-        tileTextView.setText(tile.getTitle(res));
+        tileTextView.setText(tile.title);
 
-        CharSequence summary = tile.getSummary(res);
+        CharSequence summary = tile.summary;
         if (!TextUtils.isEmpty(summary)) {
             statusTextView.setVisibility(View.VISIBLE);
             statusTextView.setText(summary);
diff --git a/src/com/android/settings/dashboard/DashboardTile.java b/src/com/android/settings/dashboard/DashboardTile.java
deleted file mode 100644
index 5e7e49a..0000000
--- a/src/com/android/settings/dashboard/DashboardTile.java
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.dashboard;
-
-import android.content.Intent;
-import android.content.res.Resources;
-import android.os.Bundle;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.os.UserHandle;
-import android.text.TextUtils;
-
-import java.util.ArrayList;
-
-/**
- * Description of a single dashboard tile that the user can select.
- */
-public class DashboardTile implements Parcelable {
-    /**
-     * Default value for {@link com.android.settings.dashboard.DashboardTile#id DashboardTile.id}
-     * indicating that no identifier value is set.  All other values (including those below -1)
-     * are valid.
-     */
-    public static final long TILE_ID_UNDEFINED = -1;
-
-    /**
-     * Identifier for this tile, to correlate with a new list when
-     * it is updated.  The default value is
-     * {@link com.android.settings.dashboard.DashboardTile#TILE_ID_UNDEFINED}, meaning no id.
-     * @attr ref android.R.styleable#PreferenceHeader_id
-     */
-    public long id = TILE_ID_UNDEFINED;
-
-    /**
-     * Resource ID of title of the tile that is shown to the user.
-     * @attr ref android.R.styleable#PreferenceHeader_title
-     */
-    public int titleRes;
-
-    /**
-     * Title of the tile that is shown to the user.
-     * @attr ref android.R.styleable#PreferenceHeader_title
-     */
-    public CharSequence title;
-
-    /**
-     * Resource ID of optional summary describing what this tile controls.
-     * @attr ref android.R.styleable#PreferenceHeader_summary
-     */
-    public int summaryRes;
-
-    /**
-     * Optional summary describing what this tile controls.
-     * @attr ref android.R.styleable#PreferenceHeader_summary
-     */
-    public CharSequence summary;
-
-    /**
-     * Optional icon resource to show for this tile.
-     * @attr ref android.R.styleable#PreferenceHeader_icon
-     */
-    public int iconRes;
-
-    /**
-     * Optional package to pull the icon resource from.
-     */
-    public String iconPkg;
-
-    /**
-     * Full class name of the fragment to display when this tile is
-     * selected.
-     * @attr ref android.R.styleable#PreferenceHeader_fragment
-     */
-    public String fragment;
-
-    /**
-     * Optional arguments to supply to the fragment when it is
-     * instantiated.
-     */
-    public Bundle fragmentArguments;
-
-    /**
-     * Intent to launch when the preference is selected.
-     */
-    public Intent intent;
-
-    /**
-     * Optional list of user handles which the intent should be launched on.
-     */
-    public ArrayList<UserHandle> userHandle = new ArrayList<>();
-
-    /**
-     * Optional additional data for use by subclasses of the activity
-     */
-    public Bundle extras;
-
-    public DashboardTile() {
-        // Empty
-    }
-
-    /**
-     * Return the currently set title.  If {@link #titleRes} is set,
-     * this resource is loaded from <var>res</var> and returned.  Otherwise
-     * {@link #title} is returned.
-     */
-    public CharSequence getTitle(Resources res) {
-        if (titleRes != 0) {
-            return res.getText(titleRes);
-        }
-        return title;
-    }
-
-    /**
-     * Return the currently set summary.  If {@link #summaryRes} is set,
-     * this resource is loaded from <var>res</var> and returned.  Otherwise
-     * {@link #summary} is returned.
-     */
-    public CharSequence getSummary(Resources res) {
-        if (summaryRes != 0) {
-            return res.getText(summaryRes);
-        }
-        return summary;
-    }
-
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        dest.writeLong(id);
-        dest.writeInt(titleRes);
-        TextUtils.writeToParcel(title, dest, flags);
-        dest.writeInt(summaryRes);
-        TextUtils.writeToParcel(summary, dest, flags);
-        dest.writeInt(iconRes);
-        dest.writeString(iconPkg);
-        dest.writeString(fragment);
-        dest.writeBundle(fragmentArguments);
-        if (intent != null) {
-            dest.writeInt(1);
-            intent.writeToParcel(dest, flags);
-        } else {
-            dest.writeInt(0);
-        }
-        final int N = userHandle.size();
-        dest.writeInt(N);
-        for (int i = 0; i < N; i++) {
-            userHandle.get(i).writeToParcel(dest, flags);
-        }
-        dest.writeBundle(extras);
-    }
-
-    public void readFromParcel(Parcel in) {
-        id = in.readLong();
-        titleRes = in.readInt();
-        title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
-        summaryRes = in.readInt();
-        summary = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
-        iconRes = in.readInt();
-        iconPkg = in.readString();
-        fragment = in.readString();
-        fragmentArguments = in.readBundle();
-        if (in.readInt() != 0) {
-            intent = Intent.CREATOR.createFromParcel(in);
-        }
-        final int N = in.readInt();
-        for (int i = 0; i < N; i++) {
-            userHandle.add(UserHandle.CREATOR.createFromParcel(in));
-        }
-        extras = in.readBundle();
-    }
-
-    DashboardTile(Parcel in) {
-        readFromParcel(in);
-    }
-
-    public static final Creator<DashboardTile> CREATOR = new Creator<DashboardTile>() {
-        public DashboardTile createFromParcel(Parcel source) {
-            return new DashboardTile(source);
-        }
-        public DashboardTile[] newArray(int size) {
-            return new DashboardTile[size];
-        }
-    };
-}
diff --git a/src/com/android/settings/dashboard/DashboardTileView.java b/src/com/android/settings/dashboard/DashboardTileView.java
index 0896b82..94219d2 100644
--- a/src/com/android/settings/dashboard/DashboardTileView.java
+++ b/src/com/android/settings/dashboard/DashboardTileView.java
@@ -28,6 +28,7 @@
 import com.android.settings.ProfileSelectDialog;
 import com.android.settings.R;
 import com.android.settings.Utils;
+import com.android.settingslib.drawer.DashboardTile;
 
 public class DashboardTileView extends FrameLayout implements View.OnClickListener {
 
@@ -91,17 +92,21 @@
 
     @Override
     public void onClick(View v) {
-        if (mTile.fragment != null) {
-            Utils.startWithFragment(getContext(), mTile.fragment, mTile.fragmentArguments, null, 0,
-                    mTile.titleRes, mTile.getTitle(getResources()));
-        } else if (mTile.intent != null) {
-            int numUserHandles = mTile.userHandle.size();
+        clickTile(getContext(), mTile);
+    }
+
+    public static void clickTile(Context context, DashboardTile tile) {
+        if (tile.fragment != null) {
+            Utils.startWithFragment(context, tile.fragment, tile.fragmentArguments, null, 0,
+                    0, tile.title);
+        } else if (tile.intent != null) {
+            int numUserHandles = tile.userHandle.size();
             if (numUserHandles > 1) {
-                ProfileSelectDialog.show(((Activity) getContext()).getFragmentManager(), mTile);
+                ProfileSelectDialog.show(((Activity) context).getFragmentManager(), tile);
             } else if (numUserHandles == 1) {
-                getContext().startActivityAsUser(mTile.intent, mTile.userHandle.get(0));
+                context.startActivityAsUser(tile.intent, tile.userHandle.get(0));
             } else {
-                getContext().startActivity(mTile.intent);
+                context.startActivity(tile.intent);
             }
         }
     }