January 2019
Intermediate to advanced
592 pages
14h 30m
English
Content preview from React Native Cookbook - Second Edition
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How it works...
In step 4, we defined the renderControls function, which renders the UI when the app is first launched. This is the first recipe in which we've used the Picker component. It's a part of the core React Native library and provides the drop-down type selector used to select options in many applications. The selectedValue property is the value tied to whichever item is currently selected in the picker. By setting it to this.state.layoutType, we'll default the selection to the 'default' layout, and keep the values synced when a different Picker item is selected. Each item in the picker is represented by a Picker.Item component. Its label property defines the display text for the item, and the value property represents the string ...
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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.