How to make functioning Preference Screen?

Question

I have made a Preference Screen which I want to make function able.

Sorry I can't post any Screen Shot of the Preference Screen as I have not gain required Reputation.

Here's my PreferenceScreen code:

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >

    <PreferenceCategory android:title="Notifications">
        <RingtonePreference
            android:summary="Choose a Ringtone"
            android:title="Notification Ringtone"
            android:key="ringtonePref" />
        <ListPreference
            android:title="Notification Timer"
            android:summary="Select when to Notify"
            android:dialogTitle="Show Notification after every:"
            android:positiveButtonText="OK"
            android:negativeButtonText="Cancel"
            android:entries="@array/entries"
            android:entryValues="@array/entries"
            android:key="listPrefs" />
        <ListPreference
            android:title="LED Color"
            android:summary="Choose LED Color"
            android:positiveButtonText="OK"
            android:negativeButtonText="Cancel"
            android:entries="@array/colors"
            android:entryValues="@array/colors"
            android:key="listPrefs2" />
        <CheckBoxPreference
            android:title="LED"
            android:defaultValue="true"
            android:summary="Flash LED or Not"
            android:key="checkBoxPrefs2"/>
        <CheckBoxPreference
            android:title="Vibrate"
            android:defaultValue="true"
            android:summary="Vibrate on receiving Notification"
            android:key="checkBoxPrefs3" />
    </PreferenceCategory>

</PreferenceScreen>

for ex - I want that when user select the time interval to be notified it should be get notified at that time interval only & like when user uncheck the Vibration, the vibration should stop.

I hope you all have understood what I i want.

Please HELP!