November 2009
Beginner to intermediate
432 pages
9h 9m
English
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Chapter 17. Finding Your Way
In This Chapter
Using the map framework
Specifying the location and zoom level of a map
Annotating significant locations on the map
Identifying the iPhone's current location
Up until now, the functionality I have been focusing on is the kind that enables you to do what you need to in a context, like get from the airport to your hotel, change money, tip appropriately, and so on. But there's also another side to context, and that is the iPhone can provide information about the context. Weather is one example, and a map is another.
Including the ability to display a map in MobileTravel411 became important as people began to realize the kinds of solutions that could be delivered on the iPhone. To many travelers, nothing brands you more as a tourist than unfolding a large map (except of course looking through a thick guidebook). In this chapter, I'll show you how to take advantage of the iPhone's built-in capability to display a map of virtually anywhere in the world, as well as determine your location and then indicate it in the map. As I said earlier, its awareness of your location is one of the things that enables you to develop a totally new kind of application and really differentiate an iPhone application from a desktop one.
Tip
For that reason, in this chapter, I return to the (more or less) step-by-step format I used in showing you how to build the ReturnMeTo application. Being able to build maps into your application is an important new feature in the iPhone ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.