Book Image

Rhomobile Beginner's Guide

By : Abhishek Nalwaya
Book Image

Rhomobile Beginner's Guide

By: Abhishek Nalwaya

Overview of this book

The four Rhomobile products – Rhodes, Rhosync, RhoHub, and Rhogallery – provide a complete toolkit for creating a mobile application. Rhomobile is cross-platform and so allows you to build your application for many different types of smartphone – including iPhone and Blackberry – just with a single codebase. This makes it the most preferred and quickest way of developing mobile apps. As you create a native Rhomobile application, you can use the built-in device features such as GPS, Push, and Camera, all with offline capabilities.Rhomobile Beginner's Guide is filled with practical examples to help you to create a mobile application from scratch. You can choose on which operating system to build, as well as for which smartphone to develop your application, giving you the freedom to create a customized mobile application quickly and easily.Once you have learned how to install Rhomobile on Windows, Mac, or Linux, you will create a simple application, which will be used to explore the products of Rhomobile one by one. Things really get going when you write unit test cases for your application before deploying it to the server and making builds for your chosen Smartphone. You will learn about the different aspects of Rhomobile, starting with Rhodes 3, which helps you to build a native mobile application. Rhosync 2.1 carries out the offline device capabilities and RhoHub deploys the code on the server and creates a build for the different smartphones. Rhomobile Beginner's Guide gives you the freedom to create a mobile web application on the platform of your choice, for the smartphone of your choice.
Table of Contents (17 chapters)
Rhomobile Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Time for action – Filtering record by company and gender


We will create a page that will allow us to filter all the records based on company and gender, and then use the find command to show the filtered results on the next page.

We will follow these steps to create the page:

  1. Create a link for filter page on the home page i.e. index.erb in the app folder:

    <li>
          <a href="<%= url_for :controller => :Employee, :action => :filter_employee_form %>"><span class="title"> Filter Employee </span><span class="disclosure_indicator"/></a>
        </li>

    We can see in the screenshot that a Filter Employee link is created on the home page.

  2. Create an action filter_employee_form in employee_controller.rb:

      def filter_employee_form
       @companies =  Company.find(:all)
       end

    We have used the find helper provided by Rhom that will retrieve all the companies and store them in @companies.

  3. Create a page filter_employee_form.erb in the app/Employee folder and write...