popupwindow

View view_friend=LayoutInflater.from(this).inflate(R.layout.friend_popmenu_item_layout, null);

set_friend = new PopupWindow(view_friend, android.view.WindowManager.LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
set_friend.setBackgroundDrawable(new BitmapDrawable());

set_friend.setFocusable(true);

if(set_friend.isShowing()){
set_friend.dismiss();
return;
}
// set_friend.showAsDropDown(v);
set_friend.showAsDropDown(v, -5, 0);