in android how to develop an hotel bill application with different categories of items?
<p>here there will be list of categories in first page we have to select the categories and in particular category we have to select list of items on clicking the items these items and and their bill amount should be added to the bill page then the bill page should has 3 buttons one for ok other for clear if we press ok the amount should be added and total has to be shown. return button for going to the categories menu page</p>

<p>in the list of items (context menus) there should be 3 buttons one for viewing the bill page and other button for clearing the selection and other button for going to categories menu</p>
