Google announced a great deal of new applications and technologies at last week's I / O developer conference. 
One of the announcements was about Android development courses from Google instructors. Below you will find all the freebies online lessons, and you can sign up starting today.
Training courses are all available and hosted through the online Udacity learning platform. They have been developed and taught by Google trainers from the platform developers team.
Lessons are included for anyone. From beginners to advanced developers, and they cover everything.
From your first Android app, to how to make your Android apps work seamlessly with other Google services like Maps and Fit.
In total, there are six free lessons lasting from four to six weeks. You can view all Udacity lessons from Google by clicking on the link below.
Udacity all lessons (including paid courses)
Free lessons
- Android Development for Beginners - A four week course that teaches absolute beginners the basics of Android and Java programming. It is an excellent introductory course to get started.
- Advanced Android App Development - A six week course that walks you through the process of “producing” an application.
- Android Performance – A four week course that teaches you how to diagnose and correct performance issues.
- Google Play Services - This four week course teaches you how to access Google APIs such as maps, analytics or location for use in applications.
- Gradle for Android and Java - The six week course covers the Gradle build tool that you can use to compile and package applications.
- UX Design for Mobile Developers – A six week course that covers important design techniques focusing on mobile and Android development.
