title: how to show route and calculating distance using google map or ios mapkit
body: <p>i have question regarding ios map application. I didn't found any good help for some point. I tried both ios and google map but i am unable to find the help for both. I am stuck on few points so can any one help me those points are</p>
  
  <ol>
  <li>how to show route b/w two points either in ios or google map</li>
  <li>after show route how to update the route if user move to that location</li>
  <li>how to get the distance and time b/w two point for bike,car,walking etc either in ios or google map</li>
  <li>how to get the coordinate just by address</li>
  <li>is there any option for step by step navigation either for ios or google map</li>
  </ol>