Android popularity has been increased and as a result, there are now many great resources for learning android developing available for free. I list some of them....
1- Android Bootcamp Training Course ( 5 days), now free online:http://marakana.com/techtv/android_bootcamp_screencast_series.html
2- Developing Android Applications ( from Oreilly) 3 workshops :http://training.oreilly.com/androidapps/
3- Learn Android from Xtensivearts , 11 Episodes:http://www.xtensivearts.com/topics/tutorials/
4- Many courses online: http://www.howtotutorialvideos.com/category/android
