How can I learn Android more depth in content on online for free

Question

I want to become Android developer, so I need suggestions on which are the sites that provide more depth content of Android tutorials.

Answer 1

Just Google for it, there are so many.

For example,

Android official: https://developer.android.com/training/index.html

Udacity also offers free courses on Android:

For beginners: https://www.udacity.com/course/android-development-for-beginners--ud837
Advanced Android: https://classroom.udacity.com/courses/ud855
Material Design: https://www.udacity.com/course/material-design-for-android-developers--ud862

Answer 2

You can check Manual's thread for more resources: https://www.sololearn.com/Discuss/823823/?ref=app

Answer 3

Thank you Shamima Yasmin I'm already learning in Udacity.
Is there any other website that provide depth content of Android??