title: Android update Widget from a button click
body: <p>I have a widget that shows some informations from database. The widget is periodically updated every one hour. But i also let user to update it manually by clicking a refresh button on widget.How can i perform the click action and refresh the widget? </p>
  
  <p>Note: The widget uses service to perform operations.</p>
  
  <p>Thanx in advance.</p>