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Learning Ionic, Second Edition

You're reading from   Learning Ionic, Second Edition Hybrid mobile apps with HTML5, CSS3, and Angular

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786466051
Length 378 pages
Edition 2nd Edition
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Author (1):
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Arvind Ravulavaru Arvind Ravulavaru
Author Profile Icon Arvind Ravulavaru
Arvind Ravulavaru
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Table of Contents (13) Chapters Close

Preface 1. Angular - A Primer FREE CHAPTER 2. Welcome to Ionic 3. Ionic Components and Navigation 4. Ionic Decorators and Services 5. Ionic and SCSS 6. Ionic Native 7. Building the Riderr App 8. Ionic 2 Migration Guide 9. Testing an Ionic 2 App 10. Releasing the Ionic App 11. Ionic 3 Appendix

Storage service

In this section, we are going to take a look at the Storage service. The Storage class from Ionic helps us interact with various storage options that are available when the app runs in the native container.

Quoting the Ionic documentation:

Storage is an easy way to store key/value pairs and JSON objects. Storage uses a variety of storage engines underneath, picking the best one available depending on the platform.

When running in a native app context, Storage will prioritize using SQLite, as it's one of the most stable and widely used file-based databases, and avoids some of the pitfalls of things like localstorage and IndexedDB, such as the OS deciding to clear out such data in low disk-space situations.

When running in the web or as a Progressive Web App, Storage will attempt to use IndexedDB, WebSQL, and localstorage, in that order.

Now, to start working with the Storage class, we will...

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