March 2017
Beginner to intermediate
500 pages
9h 41m
English
Content preview from React and React NativeBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Navigation indicators
Earlier in the chapter, you were introduced to the <ActivityIndicator> component. In this section, you'll learn how it can be used when navigating an application that loads data. For example, the user navigates from page (scene) one to page two. However, page two needs to fetch data from the API to display for the user. So while this network call is happening, it makes more sense to display a progress indicator instead of a screen devoid of useful information.
Doing this is actually kind of tricky, because we have to make sure that the data required by the screen is fetched from the API each time the user navigates to the screen. So, we have two goals in mind here:
- Have the
Navigatorcomponent automatically fetch API data for ...
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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.