LocationPreferenceDialog.java

package com.byagowi.persiancalendar.view.preferences;

import android.support.v7.app.AlertDialog;
import android.support.v7.preference.PreferenceDialogFragmentCompat;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.byagowi.persiancalendar.R;
import com.byagowi.persiancalendar.adapter.LocationAdapter;

/**
 * persian_calendar
 * Author: hamidsafdari22@gmail.com
 * Date: 1/17/16
 */
public class LocationPreferenceDialog extends PreferenceDialogFragmentCompat {

    @Override
    protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
        super.onPrepareDialogBuilder(builder);
        LayoutInflater inflater = LayoutInflater.from(getContext());
        View view = inflater.inflate(R.layout.preference_location, (ViewGroup) getView(), false);

        RecyclerView recyclerView = (RecyclerView) view.findViewById(R.id.RecyclerView);
        recyclerView.setHasFixedSize(true);
        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
        recyclerView.setAdapter(new LocationAdapter(this));

        builder.setPositiveButton("", null);
        builder.setNegativeButton("", null);
        builder.setView(view);
    }

    @Override
    public void onDialogClosed(boolean positiveResult) {
    }

    public void selectItem(String city) {
        ((LocationPreference) getPreference()).setSelected(city);
        dismiss();
    }
}