[Regional Pref] 1. Add metrics for user changes the First day of week 2.

Refactor to Settings design

Bug: 275003276
Bug: 264483854
Change-Id: Ibea987b6e51fd76c89a0ff5269da6e99171f6b1c

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

@@ -0,0 +1,66 @@
+/**
+ * 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;
+
+/** A controller for handling all first day of week preferences. */
+public class FirstDayOfWeekItemListController extends
+        RegionalPreferenceListBasePreferenceController {
+
+    private static final String KEY_PREFERENCE_CATEGORY_FIRST_DAY_OF_WEEK_ITEM =
+            "first_day_of_week_item_category";
+    private static final String KEY_PREFERENCE_FIRST_DAY_OF_WEEK_ITEM =
+            "first_day_of_week_item_list";
+
+    public FirstDayOfWeekItemListController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected String getPreferenceTitle(String item) {
+        return RegionalPreferencesDataUtils.dayConverter(mContext, item);
+    }
+
+    @Override
+    protected String getPreferenceCategoryKey() {
+        return KEY_PREFERENCE_CATEGORY_FIRST_DAY_OF_WEEK_ITEM;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_PREFERENCE_FIRST_DAY_OF_WEEK_ITEM;
+    }
+
+    @Override
+    protected String getExtensionTypes() {
+        return ExtensionTypes.FIRST_DAY_OF_WEEK;
+    }
+
+    @Override
+    protected String[] getUnitValues() {
+        return mContext.getResources().getStringArray(R.array.first_day_of_week);
+    }
+
+    @Override
+    protected int getMetricsActionKey() {
+        return SettingsEnums.ACTION_SET_FIRST_DAY_OF_WEEK;
+    }
+}