Android application on calender

Write an Android application on calender with the specifications provided on the attached file. 1. Calendar 1.1 Views 1.1.1 Monthly view: show all days in a month, and event snippet for each day 1.1.2 Weekly view: show all days in a week, and event snippet for each day 1.1.3 Daily view: show all events in a day, sorted by their starting time 1.1.4 Agenda view (optional): show all events in future as a list 1.2 Events 1.2.1 Add an event with starting and ending time 1.5 Other 1.2.2 Check time conflicts when adding events 1.2.3 Add weekly periodical events 1.2.4 Edit & delete events 1.2.5 Event alert (optional) 1.2.6 Add/delete event categories 1.2.7 Color marking for different category of events 1.3 Share (optional) 1.3.1 Send event to other calendar users (requiring their permission) through internet 1.4.1 Holidays & weekends should be in special colors 1.4.2 Zoom in/out, and scroll support when necessary