Java And Android Developement

Java Downloads for Linux

Recommended Version 7 Update 11

http://www.java.com/en/download/linux_manual.jsp?locale=en

Android Application Development 

http://developer.android.com/training/index.html

Android Generic Icon Generator:

http://android-ui-utils.googlecode.com/hg/asset-studio/dist/icons-generic.html#source.space.trim=1&source.space.pad=10&size=24&padding=8&color=33b5e5%2C0&name=ic_example