> For the complete documentation index, see [llms.txt](https://android-course.cornellappdev.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://android-course.cornellappdev.com/course-material/week-4-or-mvvm-and-flows.md).

# Week 4 | MVVM and Flows

This week, we'll learn to leverage the MVVM design pattern with flows to connect several parts of our app, all with the goal of allowing real, useful app logic, starting with the View Model layer!