function OnStart()
{
  lay = app.CreateLayout( "Linear", "VCenter,FillXY" );

  img = app.CreateImage( "/Sys/Img/Droid1.png" );
  img.SetOnTouch( img_OnTouch );
  lay.AddChild( img );

  app.AddLayout( lay );
}

function img_OnTouch( ev )
{
  if( ev.action=="Down" )
    app.ShowPopup( "Ouch!" );
}