This Android application, developed with XML and Kotlin, implements a RecyclerView adapter with a custom layout, SharedPreferences for data persistence, and Gson to serialize and deserialize objects. The app allows users to enter their username, view lessons in their browser through navigation from the app, and mark them as complete.

This Android application, developed with XML and Kotlin, implements a RecyclerView adapter with a custom layout for the rows. The app allows users to add, delete, and update items in the list, demonstrating efficient data management and user interaction. Interfaces are used to handle these interactions cleanly.

This Android application, developed with XML and Kotlin, simulates a pizza restaurant order and calculates the final price based on the selected options. The app provides a summary of the order. This project showcases modern Android development practices, including Data Binding and Object-Oriented Programming.