November 2013
Intermediate to advanced
576 pages
19h 3m
English
book
iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
by Kyle Richter, Joe Keeley
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Working with Map Overlays
Map overlays are similar to map annotations, in that any object can implement the MKOverlay protocol, and the map view delegate is asked to provide the associated view for a map overlay. Map overlays are different from annotations in that they can represent more than just a point. They can represent lines and shapes, so they are very useful for representing routes or areas of interest on a map. To demonstrate map overlays, the sample app provides a feature to add a geofence (described in more detail later in the section “Geofencing”) with a user-defined radius for a favorite place. When a geofence is added for a favorite place, the user’s selected radius will be displayed on the map with a circle around the place’s coordinate, ...
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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.