Ray Ryan, Square Square's flagship Point of Sale app has been in continuous development for more than seven years. In that time neither the software nor the teams that build it have gotten any smaller. We've learned a lot about what does and doesn't scale, and this year have distilled those lessons into a new composition style we're calling Workflows. I'll discuss in depth how we're refactoring the hairiest parts of our Android and iOS apps into Rx-based workflows built of workflows built of workflows. https://goo.gl/4a9ZAv droidcon NYC - http://droidcon.nyc ********************************************* droidcon NYC has become an event where the American and International Android development and design community come together to share what’s new and what they’ve been working on. Our goal is to serve the community and move the Android platform forward. Organized by droidcon - https://www.droidcon.com/ ********************************************* droidcon is the largest global network of developer conferences which bring together the industry's foremost experts dedicated to advancing the Android platform. droidcon engages a global network of over 25,000 developers attending our events in 26 countries. Content by touchlab - http://touchlab.co ********************************************* droidcon NYC content organized by Kevin Galligan, President of touchlab Android and iOS Mobile App Development / Doppl Open Source Code Sharing Platform / Mobile Innovation Advisory / UIUX Design. Our goal is to keep growing our company by serving the community. Stop by our next meetup: https://www.meetup.com/nyandroiddevelopers/ Big thanks to our video sponsors: American Express - https://jobs.americanexpress.com/tech mParticle - https://www.mparticle.com/