Add startPreferenceFragment()

<parameter name="preferenceScreen" type="android.preference.PreferenceScreen">

</parameter>

</method>

<method name="startPreferenceFragment"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="fragment" type="android.app.Fragment">

</parameter>

<parameter name="push" type="boolean">

</parameter>

</method>

<method name="startWithFragment"

 return="void"

 abstract="false"

import org.xmlpull.v1.XmlPullParserException;

import android.app.Fragment;

import android.app.FragmentTransaction;

import android.app.ListActivity;

import android.content.Context;

import android.content.Intent;

import android.os.Message;

import android.text.TextUtils;

import android.util.AttributeSet;

import android.util.Log;

import android.util.Xml;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.FrameLayout;

                com.android.internal.R.id.prefs, f).commit();

    }

    /**

     * Start a new fragment.

     *

     * @param fragment The fragment to start

     * @param push If true, the current fragment will be pushed onto the back stack.  If false,

     * the current fragment will be replaced.

     */

    public void startPreferenceFragment(Fragment fragment, boolean push) {

        FragmentTransaction transaction = getFragmentManager().openTransaction();

        transaction.replace(com.android.internal.R.id.prefs, fragment);

        if (push) {

            transaction.addToBackStack(BACK_STACK_PREFS);

        }

        transaction.commit();

    }

    @Override

    public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) {

        Fragment f = Fragment.instantiate(this, pref.getFragment(), pref.getExtras());

        getFragmentManager().openTransaction().replace(com.android.internal.R.id.prefs, f)

                .addToBackStack(BACK_STACK_PREFS).commit();

        startPreferenceFragment(f, true);

        return true;

    }