March Meeting Agenda

The next Philly CocoaHeads meeting will be Thursday, March 10th from 6:30pm - 9pm at the Apple Store on 16th and Walnut. After meeting drinks will commence at Fox and Hound Sports Bar at 1501 Spruce Street.

Please RSVP via Meetup:

When you arrive at the Apple Store let one of the store employees know you are there for CocoaHeads and they will let you into the back where you can come up to the second floor briefing room space.

For folks who drive in and need parking one lot recommend by the store is from LAZ Parking on Chancellor Street.

Meeting Agenda

Group Business

Industry News

  • March Apple Event?
  • April WWDC lottery?



Twilio has been a longterm, multi-year sponsor of CocoaHeads.

Twilio is a software and cloud-based communications platform that enables the rapid build and deploy of powerful, flexible business communications solutions.

Save the date: SIGNAL, Twilio’s developer conference for communications is coming up, May 24 & 25, 2016 in San Francisco. Twilio is also hosting rebroadcasts of the previous SIGNAL conference followed up by live QA with the product team. Check out the website for more info.

Chariot Solutions

[Chariot Solutions](( has renewed their sponsorship and is supporting CocoaHeads through 2016!

Chariot Solutions is the Greater Philadelphia region’s premier IT consulting firm that specializes in software development, systems integration, mobile application development and training.

Many CocoaHeads are probably familiar with Chariot through their great work hosting the Philly ETE conference (2015 archive / 2106 tickets) and otherwise supporting the tech community. For more info on working at Chariot Solutions see their careers page.

Show and Tell

Andrew Theken - React-native for iOS

React Native is a framework developed by Facebook which takes the lessons and patterns learned from React (js) on the web, and makes them available on native platforms (iOS and Android).

We’ll cover the core pattern behind React, why it’s valuable, and some of the basics of developing with the React Native framework.

Amit Rao - How to Achieve 60 FPS Scrolling

Recently Amit was lucky to work on improving the scrolling performance of a native iPhone app. In this talk he will share some of the tools & tech used to achieve 60 fps scrolling of a UICollectionView.

Eric Kille - Bag Toss App Demo

Kostas Nasis - Appy Birthday App Demo


Swift Error Handling like a Boss — Tom Piarulli

If you’ve been learning Swift you’re probably familiar with the new try-catch error handling, but did you know that with things like enums, protocol extensions, and generics you can easily capture and report any error without cluttering up your code? This talk will focus on taking advantage of new Swift concepts to remove the pain from error handling and eliminate the dreaded unknown error.

About CocoaHeads

Philly CocoaHeads is the Philadelphia area Mac and iPhone programming group, a chapter of the worldwide CocoaHeads. All skill levels are welcome. The only requirement is an interest in Apple-related technologies and moderate tolerance for geeking out.

The main presentation-style meeting is the second Thursday of every month. We also hold a Side Project Saturday events as well as educational workshops. For more on our events see our Meetup page:

By attending an event or otherwise participating within the group, you agree to abide by our code of conduct policy.

We are always looking for feedback and suggestions on what topics to discuss at our meetings. Please reach out if you have any comments.

Group website:

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