Fork a new developer options page.

- Create a new activity/fragment and add it to manifest
- Mark old activity/fragment deprecated
- Enable/disable the new activity based on FeatureFlag
- Initial skeleton code for new fragment

Bug: 65522852
Test: make RunSettingsRoboTests -j40 ROBOTEST_FILTER=DevelopmentSettingsDashboardFragmentTest
Change-Id: Ib1395693f8b6f61d4726573a9ea841ea53cf207b

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2017 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.development;
+
+import android.content.Context;
+import android.os.UserManager;
+import android.provider.SearchIndexableResource;
+import android.util.Log;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.dashboard.RestrictedDashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settings.search.Indexable;
+import com.android.settings.widget.SwitchBar;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.development.DevelopmentSettingsEnabler;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFragment {
+
+    private static final String TAG = "DevSettingsDashboard";
+
+    private SwitchBar mSwitchBar;
+
+    public DevelopmentSettingsDashboardFragment() {
+        super(UserManager.DISALLOW_DEBUGGING_FEATURES);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEVELOPMENT;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getHelpResource() {
+        return 0;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        Log.d(TAG, "Creating pref screen");
+        return R.xml.development_prefs;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context);
+    }
+
+    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context) {
+        return null;
+    }
+
+    /**
+     * For Search.
+     */
+    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    return DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(context);
+                }
+
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(
+                        Context context, boolean enabled) {
+
+                    final SearchIndexableResource sir = new SearchIndexableResource(context);
+                    sir.xmlResId = R.xml.development_prefs;
+                    return Arrays.asList(sir);
+                }
+
+                @Override
+                public List<AbstractPreferenceController> getPreferenceControllers(Context
+                        context) {
+                    return buildPreferenceControllers(context);
+                }
+            };
+}