[Regional Pref] 1. Add metrics for user changes the Temperature unit 2.

Refactor to Settings design

Bug: 275003276
Bug: 264483854
Change-Id: Ib886ace45db8cfd7dd0f468d03a0aa0551f1f5c4

src/com/android/settings/regionalpreferences/TemperatureUnitFragment.java

@@ -0,0 +1,64 @@
+/**
+ * Copyright (C) 2023 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.regionalpreferences;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.search.SearchIndexable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/** Main fragment to display temperature preferences. */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class TemperatureUnitFragment extends DashboardFragment {
+
+    private static final String LOG_TAG = "TemperatureUnitFragment";
+    private static final String KEY_PREFERENCE_CATEGORY_TEMPERATURE_UNIT =
+            "temperature_unit_category";
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.regional_preferences_temperature;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.TEMPERATURE_PREFERENCE;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return LOG_TAG;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new TemperatureUnitCategoryController(context,
+                KEY_PREFERENCE_CATEGORY_TEMPERATURE_UNIT));
+        return controllers;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.regional_preferences_temperature);
+}