All the examples in this tutorial have been written using Eclipse IDE. So I would suggest you should have latest version of Eclipse installed on your machine. To install Eclipse IDE, download the latest Eclipse binaries from Once you
You can download the latest version of Android SDK from Android official website : Android SDK Downloads. If you are installing SDK on Windows machine, then you will find a installer_rXX-windows.exe, so just download and run this exe which will
Android Environment Setup
You will be glad to know that you can start your Android application development on either of the following operating systems  Microsoft Windows XP or later version.  Mac OS X 10.5.8 or later version with Intel chip.  Linux including GNU