September 2019
Beginner
512 pages
12h 52m
English
Content preview from Flutter for Beginners
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Overlay
In its implementation, Navigator uses the Overlay widget. The following is from the documentation:
"Overlays let independent child widgets appear on top of other widgets by inserting them into the overlay's Stack."
The overlay lets each of these widgets manage their participation in the overlay using OverlayEntry objects.
We'll go through a few steps to check that the most common way to use a Navigator and its Overlay is with the app widgets - WidgetsApp, MaterialApp, and CupertinoApp - which provide multiple ways to manage navigation through the Navigator widget.
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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.