Android - beginning

Download and install the JAVA SDK: 
http://www.oracle.com/technetwork/java/javase/downloads/index.html

Download Eclipse Classic: http://www.eclipse.org/downloads/

Download and install the Android SDK: http://developer.android.com/sdk/index.html

Install the ADT plugin to Eclipse: http://developer.android.com/sdk/installing/installing-adt.html

Start Coding: 
http://www.vogella.com/articles/Android/article.html ,
http://www.youtube.com/mobiledevtuts ,
http://mobile.tutsplus.com/


Some more sources: 

• www.thenewboston.org  to learn android development
• link to attend a free demo session: http://www.edureka.in/courses/description/android-for-beginners
• a good book - http://shop.oreilly.com/product/0636920010883.do 
• code from the book - http://examples.oreilly.com/0636920010883/ 
• videos from the book, 2011 version -http://marakana.com/techtv/android_bootcamp_screencast_series.html 
• and 2012 version -http://marakana.com/s/android_bootcamp_series_2012_video_tutorial,1017/index.html
• http://www.slideshare.net/ramesh130/android-application-development-9258147
•  http://www.mybringback.com/ has some great tutorials for Android for those who are starting as beginners check that out it will help you ! 
• second thing is read books buy them there are many amazing books out their who will teach android development with good examples and practicals so go to amazon and search for android.
• take notes of what you learn do better practice on basics and once your basics are good then go to advance concepts