September 2019
Beginner
512 pages
12h 52m
English
Content preview from Flutter for Beginners
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Inherited widgets
Besides statelessWidget and statefulWidget, there is one more type of widget in the Flutter framework, InheritedWidget. Sometimes, one widget may need to have access to data up the tree, and in such a case, we would need to replicate the information down to the interested widget. This process is shown in the following diagram:
Let's suppose some of the widgets down the tree need to access the title property from the root widget. To do that, with statelessWidget or statefulWidget, we would need to replicate the property in the corresponding widgets and pass it down through the constructor. It can be annoying to replicate the ...
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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.