title: How to add event in native IOS Calendar
body: <p>I want to open native IOS calendar(ical) from my application and add event. 
  Is there any way i can open calendar for particular event?</p>
  
  <p>I also follow <a href="https://stackoverflow.com/questions/6647725/open-iphone-calendar-app-programmatically">Open iphone calendar app programmatically</a> but not yet succeeded.</p>