January 2020
Intermediate to advanced
368 pages
12h 45m
English
Content preview from Flutter in Action
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Chapter 9. Async Dart and Flutter and infinite scrolling
This chapter covers
- Futures in Dart
- Streams and sinks in Dart
- Async builder in Flutter
- Slivers and scrollable widgets
- Scroll physics
This chapter could contain the most difficult concepts to wrap your head around, unless you’re familiar with async UI programming. The beginning of this chapter is only about asynchronous concepts and implementing them in Dart. After that, I examine how those concepts are useful in Flutter.
Note
If you’re okay with the following code listing, then you should skip to section 9.2, where we begin the Flutter portion.
Listing 9.1. Example Dart code using streams and sinks
// Streams and Sinks StreamController<bool> _controller = StreamController<bool>(); ...
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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.
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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.