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Ionic Cookbook

You're reading from   Ionic Cookbook Over 35 exciting recipes to spice up your application development with Ionic

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Product type Paperback
Published in Oct 2015
Publisher Packt
ISBN-13 9781785287978
Length 264 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Hoc Phan Hoc Phan
Author Profile Icon Hoc Phan
Hoc Phan
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Toc

Table of Contents (12) Chapters Close

Preface 1. Creating Our First App with Ionic FREE CHAPTER 2. Managing States and Navigation 3. Adding Device Features Support 4. Offline Data Storage 5. Handling Gestures and Events 6. App Theme Customization 7. Extending Ionic with Your Own Components 8. User Registration and Authentication 9. Saving and Loading Data Using Firebase 10. Finalizing Your Apps for Different Platforms Index

Rendering a large Firebase data set using collection-repeat


When your app grows, the size of the database also grows. Typically, there are many ways to handle large datasets such as paging, caching, and filtering. However, there is a very useful feature in Ionic that allows you to repeat through a large list of items without sacrificing performance. Ionic's collection-repeat is similar to AngularJs' ng-repeat. The main difference is its rendering mechanism. Most of the time, the app does not need to render thousands of items at once. So, collection-repeat accesses only a subset of the data and binds it to the current page, where it is visible to the user.

Getting ready

You will continue to work on the previous app. There are some modifications in index.html and app.js.

How to do it...

Here is how you can retrieve data and add, edit, and delete items:

  1. Open index.html to edit it.

  2. Insert the following code within <body>:

    <ion-pane ng-controller="ItemCtrl">
      <ion-header-bar class="bar...
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