Support PreferenceActivity.isValidFragmen

package com.android.deskclock;

import android.app.ActionBar;

import android.content.Intent;

import android.media.AudioManager;

import android.os.Bundle;

import android.preference.CheckBoxPreference;

import android.preference.ListPreference;

import android.preference.Preference;

import android.preference.PreferenceActivity;

import android.preference.PreferenceScreen;

import android.provider.Settings;

import android.view.Menu;

import android.view.MenuItem;

/**

 * Settings for the Alarm Clock Dream (com.android.deskclock.Screensaver).

        pref.setOnPreferenceChangeListener(this);

    }

    @Override

    protected boolean isValidFragment(String fragmentName) {

        // This activity is not exported so we can just approve everything

        return true;

    }

}

        return true;

    }

    @Override

    protected boolean isValidFragment(String fragmentName) {

        // Exported activity but no headers we support.

        return false;

    }

    private void updateAutoSnoozeSummary(ListPreference listPref,

            String delay) {

        int i = Integer.parseInt(delay);