Android App Expense Manager

Hi I would like to build very basic android app. This would be something like expense calculator. App Functionality:- a person should be able to enter his income when he enters income it should ask for addition fields like type (Salary, profit, lending), show be able to take photo graph of (HARD COPY BILL). like wise there will be an expense part where person will enter all his expense, experience type, photo of bill, both (Income as well as expense) the cases person would be a asked if this is for current data and time or for any other past data. Balance wold me displayed Analysis of income expense should be done like person can do a days or a week or a month or from a specific day to specific day analysis there wold be pie chart for income pie chart for expense pie chart for income,expense and balance. bar graph for income bar graph for expense bar graph for income, expanse and balance. app should be appealing, graphic should be descent. I need the source code. and app should be ready to be implemented in app store.