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React and React Native

You're reading from   React and React Native Build cross-platform JavaScript apps with native power for mobile, web and desktop

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786465658
Length 500 pages
Edition 1st Edition
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Author (1):
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Adam Boduch Adam Boduch
Author Profile Icon Adam Boduch
Adam Boduch
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Table of Contents (27) Chapters Close

Preface 1. Why React? FREE CHAPTER 2. Rendering with JSX 3. Understanding Properties and State 4. Event Handling – The React Way 5. Crafting Reusable Components 6. The React Component Lifecycle 7. Validating Component Properties 8. Extending Components 9. Handling Navigation with Routes 10. Server-Side React Components 11. Mobile-First React Components 12. Why React Native? 13. Kickstarting React Native Projects 14. Building Responsive Layouts with Flexbox 15. Navigating Between Screens 16. Rendering Item Lists 17. Showing Progress 18. Geolocation and Maps 19. Collecting User Input 20. Alerts, Notifications, and Confirmation 21. Responding to User Gestures 22. Controlling Image Display 23. Going Offline 24. Handling Application State 25. Why Relay and GraphQL? 26. Building a Relay React App

Step progress

In this final example, we'll look at displaying the user's progress through a predefined number of steps. For example, it might make sense to split a form into several logical sections and organize them in such a way that as the user completes one section, they move to the next step. A progress bar would be helpful feedback for the user.

We're going to modify a navigation example from earlier in the book. We'll insert a progress bar into the navigation bar, just below the title so that the user knows how far they've gone and how far is left to go. We'll also reuse the ProgressBar component that you implemented earlier in this chapter!

Let's take a look at the result first. There are four screens in this app that the user can navigate to. Here's what the first page (scene) looks like:

Step progress

The progress bar below the title reflects the fact that the user is 25% through the navigation. Let's see what the third screen looks like:

Step progress

The progress...

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