title: Downloading Image only for visible row in List View
body: <p>I have a customized List and each row showing image and text and image has to be downloaded from server.</p>
  
  <p>So I have customized my adaptor and in that getView method i have started a asyn task for downlaoding the image.</p>
  
  <p>But problem is that if there are 50 items in list then if i scroll from 1st to 50 th item in list at one go, </p>
  
  <p>then for each row it will start downloading images regardless of thin that row is even not shown...</p>
  
  <p>so what could be the solution for this???</p>
  
  <p>Any help would be highly appreciated</p>
  
  <p>Thanks</p>