Merge "Stop using framework internal layout for timezone header."

<?xml version="1.0" encoding="utf-8"?>

<!--

  Copyright (C) 2019 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.

  -->

<!-- similar to preference_material.xml but textview for emoji country flag

instead of an ImageView -->

<TextView xmlns:android="http://schemas.android.com/apk/res/android"

          android:id="@+android:id/title"

          android:layout_width="match_parent"

          android:layout_height="wrap_content"

          android:layout_marginBottom="16dp"

          android:layout_marginTop="16dp"

          android:textAppearance="@style/TextAppearance.CategoryTitle"

          android:textColor="?android:attr/colorAccent"

          android:paddingStart="@dimen/preference_no_icon_padding_start"/>

        LayoutInflater inflater = LayoutInflater.from(parent.getContext());

        switch (viewType) {

            case TYPE_HEADER: {

                final View view = inflater.inflate(R.layout.preference_category_material,

                final View view = inflater.inflate(

                        R.layout.time_zone_search_header,

                        parent, false);

                return new HeaderViewHolder(view);

            }

        return mShowHeader && position == 0;

    }

    public @NonNull ArrayFilter getFilter() {

    @NonNull

    public ArrayFilter getFilter() {

        if (mFilter == null) {

            mFilter = new ArrayFilter();

        }

    public interface AdapterItem {

        CharSequence getTitle();

        CharSequence getSummary();

        String getIconText();

        String getCurrentTime();

        /**

         * @return unique non-negative number

         */

        long getItemId();

        String[] getSearchKeys();

    }