how to display progressbar during downloading video file from the server in to the iphone?
<p>I have implemented video play functionality in iphone.In which i am downloading video file from the server and then play.
But I want to display progress bar during downloading video file.For progressbar i need to calculate timing i don't know how to calculate time how much will take time for downloading video.</p>

<p>So please help me for this query.</p>

<p>Thanks in advance.</p>
