Categorical Phone Book Application

Description The project a phone book application with categories. Application will be work on Android (2.2 to 4.3) and ios 7. It will contains 3 main pages on - Categories - List of Contacts - Favorites Categories and List of Contacts screen will be have a searchbox which has a auto complete feature and 2 detail pages needs - Contact details - Add Category also a action can be use from context menu - Import Contact from System phonebook - Edit active Contact The categories data structure will be a tree which can goes to theoretically infinite. So the categories page will be created dynamically which takes data from database. The tree's each branch will/can be show with in icons or list form. At the last child of the tree will contains the connected contacts. On list page and Categories page when a Contact is clicked by user, a phone call will be started. All data will saved in programs database. It can be sqlite or a better option can talk. All the program sources will be taken. The application UI design MUST be professional. (Also icons) I am also a programmer but i don't have experience on mobile software development. I think that will be helpfully. Please write your mobile framework which you will work. Also be relax to ask question.