To install aapt just follow these instructions.
sudo apt-get install aapt
Which will install aapt and any other packages on which it depends.
|Maintainer||Android Tools Maintainers <[email protected]>|
|Description||Android Asset Packaging Tool files, such as the AndroidManifest.xml file and the XML files for your Activities, and compiles them. An R.java is also produced so you can reference your resources from your Java code. This tool allows you to view, create, and update Zip-compatible archives (zip, jar, apk). It can also compile resources into binary assets.|