April 2017
Intermediate to advanced
414 pages
8h 14m
English
Content preview from React Native By Example
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Creating a login prompt
The first thing we should do is think about how our app will behave. When it's launched, we should check for an available access token using the FBSDK AccessToken API. If it's not available, then our user isn't logged in and we should show them the Log In button, just like we required a budget in our previous project, Expense.
If/when the user is logged in, we should grab their feed data, load it into the component state, and then log it to the console to show that we have it.
The first thing we should do is modify the App component so that:
- On the componentWillMount event, we use the AccessToken API's getCurrentAccessToken method to check and see whether the user is logged in.
- If the user is not logged in, we should ...
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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.