Book Image

Ionic Cookbook - Third Edition

By : Singh
Book Image

Ionic Cookbook - Third Edition

By: Singh

Overview of this book

Ionic is the preferred choice for JavaScript developers to develop real-time hybrid applications. This book will get you started with Ionic 3.9 and help you create Angular 5 components that interact with templates. You will work with Ionic components and find out how to share data efficiently between them. You'll discover how to make the best use of the REST API to handle back-end services and then move on to animating your application to make it look pretty. You then learn to add in a local push notification in order to test the app. Then you'll work with Cordova to support native functionalities on both iOS and Android. From there, you'll get to grips with using the default themes for each platform and customizing your own. We then take you through the advanced Ionic features like lazy loading, deep linking, localizing ionic apps etc. Finally, you'll see how best to deploy your app to different platforms. This book will solve all your Ionic-related issues through dedicated recipes that will help you get the best out of Ionic.
Table of Contents (12 chapters)

Adding versioning to future-proof the app

It's typical that you don't think about keeping track of the app version for a particular user. However, as the app grows in regard to the number of users and releases, you will soon face the problem of update issues and incompatibilities. For example, a user may run an old version of your app but all your backend APIs now expect new parameters from a newer app version. Therefore, you may want to think about a strategy to detect the app version locally in order to notify the users of an update requirement. This is also helpful if your backend processes differently for a specific app version.

The app which you are going to build is very simple. It will detect the current version and store the information in a service. This is a screenshot of the app:

...