Breadcrumb Toolbar provides a nested view interaction embedded into the vanilla Toolbar.

Provides fast scroll and section indexer for recycler view. Uses a different mechanism than similar libraries to provide smooth movement of scroller handle when scrolling the list. Can be used with vertical and horizontal RecyclerViews. You can style it or even use a custom layout and animations for your fast scroll handle and bubble.

googlemaproute draws route between two points.

An Android application to create and edit PDF files.

The idea behind the decorator pattern is to decouple responsibilities from the parent class into reusable components. Individual decorators can then be attached to otherwise empty parent classes to do a single job. This allows a simple java class to have multiple and dynamic inheritance. In order to make this pattern scalable with minimal boilerplate, an easy to use code-generation library was created to automate most of its creation.

Android MVC/MVP/MVVM framework.