title: Change listviews field property from main activity
body: <p>I am working on an Android application.In my main activity i have to implement a list.The following is the sample shape of my page</p>
  
  <pre><code>|----------------------| \
  |  |Button|            |  \
  |----------------------|   \                  
  |listview row1         | \   \
  |listview row1         |  \   \---------Screen
  |listview row1         | / --/----- ListView 
  |                      |/   /
  |                      |  /
  |                      | /
  |______________________|/
  </code></pre>
  
  <p>The button is in my activity page and listview rows are creating in baseadapter.Listview is containing a textview.Now I have to change the Textviews background color when I click the button from activity and next time I click the button the textviews color will retain the old color.How can I do it friends?. I declared textview in getview() method.</p>