PhoneGap Android is an Android application library that allows for PhoneGap-based projects to be built for the Android Platform. PhoneGap-based applications are, at the core, an application written in web-based languages, generally HTML, CSS and JavaScript.
- Java JDK 1.5
 - Android SDK Package http://developer.android.com
 - Apache ANT (For build script)
 - Ruby, Rubygems, nokogiri (for build.rb)
 
- Eclipse (Recommended for back-end debugging, not required)
 
- Make sure you have Ruby and the nokogiri gem installed. Run 'gem list' to see a list of installed Ruby gems, and 'gem install nokogiri' from command-line if you don't have it.
 - Clone the repository using git, from command line: git clone git://github.com/phonegap/phonegap-android.git
 - Run 'cd phonegap-android/framework'
 - Make sure you change the location of your Android SDK, this is inside the local.properties file
 - Run 'ant jar' - this will create the phonegap.jar file and build a fresh phonegap.js for use in your HTML/JS/CSS-based application (for accessing native functionality).
 - cd back to the root directory (cd ..)
 - Run 'ruby build.rb <package_name> ', where:
 
- app-name: Name of application without spaces
 - package name: Java namespace of package ( i.e. com.nitobi.demo). This must be unique otherwise it won't load properly on your phone
 - www-dir: www directory which includes an icon.png file for the icon
 - path: The path to copy the final project assets into, i.e. the final build path
 
- Now you can use the generated Android code that is located in the 'path' directory from the above step and do what you want with it: import into Eclipse to test with the simulator or otherwise.
 
The wiki article to get started with Eclipse can be found at http://phonegap.pbworks.com/Getting-started-with-Android-PhoneGap-in-Eclipse