Videos

    Recently we started recording the talks. Watch them on youtube (links below) or simply download our Apple TV App.



    Qardio experience with Core Data, Dmitrii Ivanov (English)

    Posted on August 24, 2018


    Dmitrii Ivanov gives us an insight view of the experience that the Qardio iOS team has gained over the years by using Core Data. He explains the issues they've had with Core Data, the different stacks you can use and their implementation and performance differences. This talk was recorded on August 22nd, 2018 during the monthly CocoaHeadsNL meetup, this time at the office of Payconiq in Amsterdam.



    Payconiq Clean Architecture, Maria Postupaeva (English)

    Posted on August 23, 2018


    Maria Postupaeva talks about the architecture that Payconiq is using for their iOS app. She explains how views, scenes, interactors and a coordinator all work together to create a framework oriented UI based on reactive programming. This talk was recorded on August 22nd, 2018 during the monthly CocoaHeadsNL meetup, this time at the office of Payconiq in Amsterdam.



    CocoaHeadsNL Live @ Payconiq

    Posted on August 23, 2018


    Live stream of the CocoaHeadsNL meetup at Payconiq on August 22nd, 2018.



    Some ❤️ for enums - by Tjeerd in 't Veen (English)

    Posted on August 16, 2018


    Tjeerd in 't Veen talks about how to use enums in Swift. He explains that they are actually optionals and that they themselves can also be optionals. He gives practical examples on how they can be leverages in real world scenarios and can even be used to replace inheritance or objects or protocols. This talk was recorded on July 18th, 2018 during the monthly CocoaHeadsNL meetup, this time at the office of Schiphol in ANWB in The Hague.



    Philips Hue, an enlightening experience! - Jurian de Cocq van Delwijnen

    Posted on August 02, 2018


    Jurian de Cocq van Delwijnen Jurian, iOS Developer and Scrum Master in the Philips Hue app team will enlighten us about the history of the app. He will go into the growing pains that they’ve experienced whilst transitioning from a group of three developers into three fully fledged DEVOPS teams and the challenges that come with working for a company that has hardware embedded in it’s DNA. Developing software for IoT product brings it’s own set of challenges and since the architecture has changed a lot through the years we’ll also go into the different stages that worked for the iOS team and discuss their pros and cons. This talk was recorded on April 25th, 2018 during the monthly CocoaHeadsNL meetup, this time at the Amersfoort office of Sogeti.



    Going from publisher to implementing GDPR, by Aernout Peeters (English)

    Posted on July 26, 2018


    Aernout Peeters gives some insights on the development of apps at the ANWB. How they changed from using external agencies to developing in house. He also gives details on how they implemented the GDPR in their apps and what challenges they were facing.



    Creating a 3D game in Swift (in 2 days), Robert-Hein Hooijmans

    Posted on July 20, 2018


    Robert-Hein Hooijmans from Bakken & Bæck demonstrates the power of SceneKit by showing what he could create in just one weekend. Without any previous experience he was able to create a nice scene with nice visual effects. He even added custom made 3D models created in Blender and custom made fonts. This talk was recorded on March 21st, 2018 during the monthly CocoaHeadsNL meetup, this time at the Amsterdam office of Bakken & Bæck.



    CocoaHeadsNL Meetup @ ANWB

    Posted on July 19, 2018


    Our meetup of July 2018 will be at the headquarter of the ANWB in The Hague.



    Kotlin for Swift developers, Ellen Shapiro

    Posted on June 25, 2018


    Ellen Shapiro of Bakken & Bæck explains the differences and similarities between Swift and the new language for Android developers Kotlin. This talk was recorded on March 21st, 2018 during the monthly CocoaHeadsNL meetup, this time at the Amsterdam office of Bakken & Bæck.



    The Testing Games: Mocking, yay! - by Donny Wals (English)

    Posted on June 02, 2018


    Donny Wals talks about how to use mocking in your tests to simplify your tests and make them easier to maintain. This talk was recorded on May 23rd, 2018 during the monthly CocoaHeadsNL meetup, this time at the office of Schiphol in Amsterdam.



    Cocoaheads @ Schiphol

    Posted on May 23, 2018




    CocoaHeadsNL Live @ Schiphol

    Posted on May 23, 2018




    CocoaHeadsNL apps - Jeroen Leenarts (English)

    Posted on May 08, 2018


    Jeroen Leenarts of CocoaHeadsNL will introduce you to the CocoaHeadsNL apps for both iOS and tvOS. They are both open source and open to community contributions. Jeroen explains how they are built and the technologies involved. This talk was recorded on May 2nd, 2018 during en extra CocoaHeadsNL meetup, this time at the office of Moneybird in Enschede.



    How to build a kick-ass document scanner, the simple way - Joost Diepenmaat (English)

    Posted on May 07, 2018


    Joost Diepenmaat, co-founder of Moneybird, is giving an in-depth view on how Moneybird built a versatile document scanner. Nobody is using flatbed scanners anymore, smartphones are always in your pocket to scan invoices and bills. You'll learn about the global architecture, design decisions and the algorithms underneath. This talk was recorded on May 2nd, 2018 during en extra CocoaHeadsNL meetup, this time at the office of Moneybird in Enschede.



    CocoaHeadsNL, Extra Meetup @ Moneybird, May 2nd 2018

    Posted on May 03, 2018


    Live stream of an extra meetup. This time we are hosted by Moneybird at their office in Enschede. Joost Diepenmaat will give an in-depth view on how Moneybird built a versatile document scanner. You'll learn about the global architecture, design decisions and the algorithms underneath. For the second talk Jeroen Leenarts will introduce you to the CocoaHeadsNL apps (iOS and tvOS). Both are open source and open to community contributions.



    CocoaHeadsNL Live

    Posted on March 22, 2018




    CocoaHeadsNL Live @ Bakken & Bæck

    Posted on March 21, 2018




    CocoaHeadsNL Meetup, March 21st 2018

    Posted on March 21, 2018


    Live stream of our monthly meetup. This month we are hosted by Bakken & Baeck at their Amsterdam office. Robert-Hein Hooijmans is giving a talk about creating a 3D game with Swift in 2 days. And Ellen Shapiro is giving a talk about Kotlin and the differences and similarities between Swift.



    Lammert Westerhoff, AWS + Swift codegen

    Posted on March 14, 2018


    Lammert Westerhoff from Nyon Technologies talks about how they use the AWS API Gateway and Lambda Functions for the API of their iOS app. He gives a live demonstration with a demo app to show how you can use AWS functionality from Swift using Swagger.



    Tom Lokhorst, Swift JsonGen

    Posted on February 27, 2018


    In this presentation from a CocoaHeadsNL meetup on January 13th, 2016, Tom Lokhorst from Q42 explains how his JsonGen tool helps to deal with JSON in the statically typed world of Swift. He compares his code generation approach to libraries like Argo or Mapper, and Apples arrays-and-dictionaries approach. This is an older recording from a meetup two years ago.



    Niels van Hoorn, Protocol Oriented DataSources

    Posted on February 27, 2018


    In this presentation from a CocoaHeadsNL meetup on January 13th, 2016, Niels van Hoorn talks about using protocols to simplify data sources for table and collection views. This is an older recording from a meetup two years ago.



    Mathijs Kadijk, Statically typed resources for iOS

    Posted on February 27, 2018


    In this presentation from a CocoaHeadsNL meetup on September 21sr, 2016, Mathijs Kadijk talks about his R.Swift library that allows you to use strong typed, autocompleted resources like images, fonts and segues in Swift projects. This is an older recording from a meetup in 2016.



    Rijksmuseum ArtViewer, Tom Lokhorst

    Posted on February 27, 2018


    Tom Lokhorst from Q42 talks about how they developed the ArtViewer for the Rijksmuseum app. This viewer is a highly optimised image viewer to display very large images. It efficiently uses caching and tiling to save memory and bandwidth. Recorded at the CocoaHeadsNL meetup of February 21st, 2018 at the office of Achmea in Apeldoorn.



    Scaling up mobile at ING, Bart den Hollander

    Posted on February 23, 2018


    Bart den Hollander from Xebia talks about how they develop internal frameworks at the ING bank for re-use in all their apps. What are the advantages or disadvantages of linking the frameworks statically or dynamically and how does this influence for example the startup time of the app. Recorded at the CocoaHeadsNL meetup of February 14th, 2018 at the office of Xebia in Hilversum.



    Functioning Functionally, Klaas Pieter Annema

    Posted on February 23, 2018


    Klaas Pieter Annema talks about what he learned from his attempts to learn functional programming. He explains the syntax and explains the concepts of generics, closures, promises and functors. He also shows how the Argo JSON library makes parsing JSON very simple using functional programming. Recorded at the CocoaHeadsNL meetup of February 14th, 2018 at the office of Xebia in Hilversum.



    CocoaHeadsNL Meetup, February 14th, 2018

    Posted on February 22, 2018


    This months meetup will be on February 14th, 2018 at the offices of our title sponsor Xebia in Hilversum. If you can't join us on site please join in during this live stream to see two great talks by Klaas Pieter Annema and Bart den Hollander.