September 2019
Beginner
512 pages
12h 52m
English
Content preview from Flutter for Beginners
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Containers
Displaying a single widget onscreen is not a good way to organize a UI. We will usually lay out a list of widgets that are organized in a specific way; to do so, we use container widgets.
The most common containers in Flutter are the Row and Column widgets. They have a children property that expects a list of widgets to be displayed in a specific direction (that is, a horizontal list for Row, or a vertical list for Column).
Another widely used widget is the Stack widget, which organizes children in layers, where one child can overlap another child partially or totally.
If you have developed some kind of mobile application before, you may have already used lists and grids. Flutter provides classes for both of them: namely, 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.