- Java from http://www.java.com/en/download/index.jsp
- Eclipse Luna based on your platform either windows/Linux/Mac)
- Eclipse plugin for Android http://android.com/sdk/installing/installing-adt.html
- Android SDK from https://android.com/sdk/index.html
- You can read the complete installation guide from the link in executeautomation.com http://executeautomation.com/blog/settingforandroiddevelopment/