The installation of Sencha Touch

Download the free Sencha Touch SDK (http://www.sencha.com/products/touch/download/) and Sencha Cmdr. (http://www.sencha.com/products/sencha-cmd/download) from the Sencha website.

The installation of the Sencha Touch SDK

Extract the SDK zip file somewhere you usually place your SDKs. In my case, it is /Development/touch-2.4.1. Now, we will use this folder in the future for our project-generation process.

The installation of Sencha Cmd

To get Sencha Cmd working, you should install Java Runtime Environment (http://www.oracle.com/technetwork/java/javase/downloads/index.html), Ruby, Apple Xcode for iOS packaging, Android SDK, and Android Studio for Android packaging. We got all this packages installed, except Ruby.

Not all OSes have Ruby installed. Here are the OS-specific instructions to download Ruby:

• Windows: Download Ruby from rubyinstaller.org. Get the .exe file version of the software and install it.
• Mac OS: Ruby is preinstalled. You can test whether Ruby is...