Service sharedpreferences updating value in activity
<p>My service class can edit and store new value of sharedpreferences</p>

<p>so i want to retrieve it in another activity, its working fine.</p>

<p>Now what i would like to do, once service altered sharedpreferences, i want the sharedprefrences value to be updated in activity.</p>

<p>I used timer but it returns nullpointerexception. Any idea why?</p>
