Merge "Remove the large space when searching region list" into sc-dev

import android.widget.SearchView;

import android.widget.TextView;

import androidx.core.view.ViewCompat;

import androidx.recyclerview.widget.LinearLayoutManager;

import androidx.recyclerview.widget.RecyclerView;

import com.android.settings.datetime.timezone.model.TimeZoneData;

import com.android.settings.datetime.timezone.model.TimeZoneDataLoader;

import com.google.android.material.appbar.AppBarLayout;

import java.util.Locale;

/**

 * The search matches the prefix of words in the search text.

 */

public abstract class BaseTimeZonePicker extends InstrumentedFragment

        implements SearchView.OnQueryTextListener {

        implements SearchView.OnQueryTextListener, MenuItem.OnActionExpandListener {

    public static final String EXTRA_RESULT_REGION_ID =

            "com.android.settings.datetime.timezone.result_region_id";

    public static final String EXTRA_RESULT_TIME_ZONE_ID =

            "com.android.settings.datetime.timezone.result_time_zone_id";

    protected AppBarLayout mAppBarLayout;

    private final int mTitleResId;

    private final int mSearchHintResId;

    private final boolean mSearchEnabled;

        mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext(),

                LinearLayoutManager.VERTICAL, /* reverseLayout */ false));

        mRecyclerView.setAdapter(mAdapter);

        mAppBarLayout = getActivity().findViewById(R.id.app_bar);

        // Initialize TimeZoneDataLoader only when mRecyclerView is ready to avoid race

        // during onDateLoaderReady callback.

            inflater.inflate(R.menu.time_zone_base_search_menu, menu);

            final MenuItem searchMenuItem = menu.findItem(R.id.time_zone_search_menu);

            searchMenuItem.setOnActionExpandListener(this);

            mSearchView = (SearchView) searchMenuItem.getActionView();

            mSearchView.setQueryHint(getText(mSearchHintResId));

        }

    }

    @Override

    public boolean onMenuItemActionExpand(MenuItem item) {

        // To prevent a large space on tool bar.

        mAppBarLayout.setExpanded(false /*expanded*/, false /*animate*/);

        // To prevent user can expand the collpasing tool bar view.

        ViewCompat.setNestedScrollingEnabled(mRecyclerView, false);

        return true;

    }

    @Override

    public boolean onMenuItemActionCollapse(MenuItem item) {

        ViewCompat.setNestedScrollingEnabled(mRecyclerView, true);

        return true;

    }

    @Override

    public boolean onQueryTextSubmit(String query) {

        return false;