April 2017
Intermediate to advanced
414 pages
8h 14m
English
Content preview from React Native By Example
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Save button
In this section, we will create a button in the upper-right corner of the navigation bar that is labeled as Save. When it is tapped on, the following two things must happen:
- The changes the user made to the to-do item (such as its name, completion status, and due date) must be saved to AsyncStorage, overwriting its previous details
- The TasksList must be updated so that the user visually sees the changes they made right away
Rendering the Save button is easy with React Native. The object that gets pushed to NavigatorIOS needs to receive the following two key/value pairs:
- rightButtonTitle: This is a string that renders the text shown in that area
- onRightButtonPress: This is a callback that is fired when that button is pressed ...
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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.