How to do: Shake your iphone to refresh feature
<p>I want to know, how to implement shake to refresh feature. For example, facebook app, they dont have refresh button, on shaking the phone it refreshes the data.</p>

<p>i want to include it in my app. but i dont know what is the name for this feature and how to implement it.</p>

<p>can any one help me with this. </p>

<p>thanks</p>
