Coursera Link: https://www.coursera.org/learn/java-for-android/
Module-1: MOOC Overview
Module 2: Introduction to Android Studio
Module 3: Writing a Simple Android App Using Basic Java Features
Module 4: Control Flow
Module 5: Structured Data
Module 6: Classes and Interfaces
ModuIe 7: Inheritance and Polymorphism
Module 8: Android Calculator App Mini-Project Assignment
Hope these programming assignment solutions will help...!
Just open and run directly in android studio.