MaterialPopupMenuThis library allows to create simple popup menus programmatically with a nice type-safe builder syntax in Kotlin. Menus can be divided into separate sections with optional headers and contain icons. It's been featured in Android Weekly #340.
Android Material Stepper libraryIt allows to use Material steppers inside Android applications. This was my first Open Source library and was released at StepStone. I am the main author and contributor of this library. It's been featured in Android Weekly #243.
Android Material Activity ChooserThis library allows to use Material activity choosers on older devices (Jelly Bean+) to e.g. share a text or a link using a nice Material bottom sheet dialog. This was my first private Open Source library and the favourite GitHub contribution made by me. It's thoroughly tested - test coverage is currently at 93%.
AndroidTestXRunnerThis library allows you to run Android UI tests multiple times in a single instrumentation execution. I am the main author and contributor of this library which I released at StepStone. It's been featured in Android Weekly #336.
Conductor Transitions-Everywhere extensionA Conductor extension which allows to use TransitionsEverywhere's transitions when swapping controllers.
Animation ShowcaseA sample app showing how to use different kinds of animations available on Android. I created it for one of the internal trainings at StepStone to illustrate what's available and what to use in which situation.