Course Details:
User Interface - https://www.udacity.com/course/android-basics-user-interface--ud834
User Input -https://www.udacity.com/course/android-basics-user-input--ud836
Multiscreen Apps - https://www.udacity.com/course/android-basics-multiscreen-apps--ud839
Networking course - https://www.udacity.com/course/android-basics-networking--ud843
Data Storage course - https://www.udacity.com/course/android-basics-data-storage--ud845
THIS ONE IS GOING TO MAKE THE HUGE DIFFERENCE :)/
Developing Android Apps course - https://www.udacity.com/course/new-android-fundamentals--ud851
Advanced Android App Development - https://www.udacity.com/course/advanced-android-app-development--ud855
Firebase in a weekend - https://www.udacity.com/course/firebase-in-a-weekend-by-google-android--ud0352
Material Design Course - https://www.udacity.com/course/material-design-for-android-developers--ud862
Here you are being an android developer.... CHEERS!!!