Change Background image of child image item of listview When click on any listitem .

listview.setOnItemClickListener(new OnItemClickListener()

 {

@Override

public void onItemClick(AdapterView<?> parent, View view,int position, long id) 

{

ImageView img = 

           (ImageView) parent.getChildAt(position).findViewById(R.id.imgitem);

img.setImageResource(R.drawable.watchcolored);

}

});

}