After looking at how to find the location within a Google Map using a textbox, now, let's move on to a slightly more complex application called a "Resturant finder application". This application is a simple but a powerful one. When the user enters a place in the textbox, the application looks for the restaurants within the radius of the specified number of kilometers from the searched location. We will use the Haversine formula to find the circular distance. You can read more about it from here: http://en.wikipedia.org/wiki/Haversine_formula.
Now, let's have a look at the details of how this application looks and how to create it.