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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Responding to User Interactions
An MKMapViewDelegate can be specified to react to user interactions with the map. Typical user interactions with a map include responding to panning and zooming, handling draggable annotations, and responding when the user taps a callout.
When the map is being panned and zoomed, the mapView:regionWillChangeAnimated: and mapView:regionDidChangeAnimated: delegate methods are called. In the sample app no additional action is required for the map to resize and adjust the annotations; however, in an app with a large number of potential items to display on the map or an app that shows different information at different zoom levels, these delegate methods are useful for removing map annotations that are no longer visible ...
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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.