Book Image

Ionic Cookbook - Third Edition

By : Indermohan Singh
Book Image

Ionic Cookbook - Third Edition

By: Indermohan 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)

Creating reactive forms in Ionic

In the previous example, we have created a complex form with validations. If you notice carefully, we used angular validations inside our template file, particularly in home.html. These type of forms are called as template driven form, where most of the work is done on template side. This is something very similar to what we had in AngularJS.

There is another type of form in Angular, called the reactive form. The difference is, in reactive forms, we used validations and other configuration inside the class of the component, instead of in the template. The following is the definition from Angular Docs:

"With reactive forms, you create a tree of Angular form control objects in the component class and bind them to native form control elements in the component template."

We will create a registration form, which looks like the following:

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