June 2011
Intermediate to advanced
590 pages
19h 31m
English
Content preview from iOS Programming: The Big Nerd Ranch Guide, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Adding Rows
There are a number of ways to add rows to a table view at runtime. The built-in behavior for adding a row is to display a new row with a green plus sign icon. However, this technique has fallen out of favor in iOS applications because it’s cumbersome to enter editing mode and then find the row with the plus sign icon – especially in larger tables.
So we’re going to put a button in the header view instead. Recall that when a table view first appears on screen, it asks its data source for the data it needs to display, and the data source provides it. You can force this process to run again by sending the message reloadData to the table view. That way, if you add a Possession to the PossessionStore, you can reload the table, and ...
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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.