August 2022
Beginner
912 pages
19h 57m
English
Content preview from Coding All-in-One For Dummies, 2nd Edition
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Chapter 8
Navigation, Lists, and Other Goodies
IN THIS CHAPTER
Moving from one page to another
Displaying a list of similar items
Creating routes and lists
Grabbing info from the Web
Until now, every sample Flutter app you’ve built has been a single self-contained page. They have some interactivity in the form of buttons and drop-down menus, but they’re each like tiny, deserted islands. Once you’ve walked from one edge of the island to the other, there’s not much else to do and no way to get news from the outside world. Unlike Tom Hanks’s character in Castaway, you can’t even befriend a volleyball.
For the same reasons that being stuck on a deserted island isn’t much fun, apps that are islands aren’t in high demand. In this lesson, you’ll learn to add more complexity and variety to your apps by having multiple screens and by pulling data in from the vast world outside.
Extending a Dart Class
As the example code gets more complex, the code listings in this book can become unbearably long. A simple example to illustrate one new concept may consume several pages. You’d need magic ...
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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.