Popup

PopupWindow popupwindow_obj; // create object

popupwindow_obj=popupDisplay();  // initialize in start on Activity

popupwindow_obj.showAsDropDown(clickbtn,-40, 18); // where u want show on view click event
//popupWindow.showAsDropDown(view,x, y);

public PopupWindow popupDisplay() // disply designing your popoup window
    {
        final PopupWindow popupWindow = new PopupWindow(this);

    // inflet your layout or diynamic add view




        popupWindow.setFocusable(true);
        popupWindow.setWidth(WindowManager.LayoutParams.WRAP_CONTENT);
        popupWindow.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
        popupWindow.setContentView("YOUR VIEW");

        return popupWindow;
    }