Preferences.java

package com.jrschugel.loadmanager;

import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;

/**
 * Created by owner on 3/15/2017.
 * Copyright 2017. All rights reserved.
 */

public class Preferences extends PreferenceActivity {
    @Override
    protected void onCreate( Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Display the fragment as the main content.
        FragmentManager mFragmentManager = getFragmentManager();
        FragmentTransaction mFragmentTransaction = mFragmentManager
                .beginTransaction();
        PrefsFragment mPrefsFragment = new PrefsFragment();
        mFragmentTransaction.replace(android.R.id.content, mPrefsFragment);
        mFragmentTransaction.commit();


    }

    public static class PrefsFragment extends PreferenceFragment {

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);

            // Load the preferences from an XML resource
            addPreferencesFromResource(R.xml.prefs);
            PreferenceManager.setDefaultValues(getActivity(), R.xml.prefs, false);


        }
    }
}