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    Most recent videos on Youtube:

    Architecture Considered Harmful, by Manuel Meyer (English)

    Posted on April 26, 2021


    In this extra long talk Manuel Meyer shares his ideas about reducing complexity in our code to create easily extendable and maintainable systems.


    CocoaHeadsNL Online Meetup, 21 April 2021

    Posted on April 22, 2021


    Live stream of our monthly CocoaHeadsNL meetup. Due to the corona virus we are still not able to host a regular meetup. Instead we are hosting an online meetup via our regular YouTube live stream. This month we have a talk by Manuel Meyer. In an extra long talk je will share his ideas about reducing complexity in our code to create easily extendable and maintainable systems. Please note: this time we start at 20:00 Hrs CET (18:00 UTC).


    From Paper to Audiokit: Teaching math through audio, by Jaap Mengers (English)

    Posted on March 28, 2021


    Jaap Mengers of Q42 shares the story of SenseMath: an app that lets you hear - rather than see or feel - a graph. A story about sound design, advanced VoiceOver features, and user testing in times of Corona.


    The Making of a Blackbox Challenge, by Ryan McLeod (English)

    Posted on February 25, 2021


    Ryan is the creator of the Apple Design Award winning game Blackbox. In this talk he takes us through the steps he took to design and built one of the almost 80 unique levels paying special attention to animations, audio but also accessibility.


    F*ck Clean Architecture, by Frank Bos and Fouad Astitou

    Posted on January 27, 2021


    In this presentation Frank and Fouad describe how they have stepped away from what is generally considered best practices in app development. Without the burden of having to use certain frameworks for a so called clean architecture or full blown CI/CD pipeline they've managed to release feature of feature and increased their App Store rating and now have more happy users.


    Using Core NFC to scan and verify identity documents, by Maxim Tsvetkov (English)

    Posted on December 24, 2020


    Discover what is possible with the Core NFC to scan and verify identity documents. Which data you can extract from documents and how you can verify the authenticity of these documents.


    Server Driven UI, Tom Lokhorst (English)

    Posted on December 03, 2020


    From the garden of his own home Tom explains how they implemented a server driven UI for the Primephonic app. Tom shows examples of screens of the app and how they implemented that as server generated JSON.


    Full stack Swift with Arduino, Axel Roest (English)

    Posted on November 22, 2020


    Axel will present how Swift can be used on the Arduino platform to read sensor data. He collects the data on a Raspberry-Pi and display it on a website built using Vapor, a server-side Swift framework.


    Our path to microframeworks with Tuist.io, by Jeroen Leenarts (English)

    Posted on November 08, 2020


    Jeroen shows how they at Achmea changed the architecture of their app to use microframeworks with Tuist.io. He demonstrates how to create a sample app and shows the new structure of the 'Even Appen' app.


    Adopting a reactive mindset, by Donny Wals (English)

    Posted on October 30, 2020


    With an example-driven approach, Donny helps you adopt a reactive mindset and explains what is all about and what it means.


    Real Refactoring, by Jon Reid (English)

    Posted on October 10, 2020


    Jon takes you step-by-step through a simple example app and shows you how to refactoring the code.


    Building Combine-powered APIs, József Vesza and Juan Carlos Ospina Gonzalez (English)

    Posted on August 26, 2020


    József and Juan talk about how to wrap iOS built-in or custom APIs using Combine. The topics covered are: - Anatomy of a subscription (Subscriber/Subscription/Publisher) - Making a custom Subscription - Generalizing KVO or NotificationCenter-based wrappers into Publishers - Unit testing a custom Publisher


    Functional Fundamentals and SwiftUI, Daniel Steinberg (English)

    Posted on August 25, 2020


    Daniel talks about the fundamentals of functional programming and Combine and how that can be used with SwiftUI and why he believes this is becoming more and more important for a Swift programmer.


    Implementing fastlane from nothing to App Store, Josh Holtz (English)

    Posted on August 24, 2020


    During a live coding session from Chicago (USA) the lead maintainer of fastlane demonstrates how easy it is to set up fastlane to automate the process of building, signing and uploading your app to the App Store.


    Server driven UI, by Tom Lokhorst

    Posted on August 24, 2020


    From the garden of his own home Tom explains how they implemented a server driven UI for the Primephonic app. Tom shows examples of screens of the app and how they implemented that as server generated JSON.


    Building an Experimental Localization System with Combine, SwiftUI and callAsFunction, Donny Wals

    Posted on August 22, 2020


    From all new technologies and features that Apple announced at WWDC '19, Donny picked three and set himself to build something useful with it. His experiment ended in a localization system that uses Combine and callAsFunction in a SwiftUI app.


    Asynchronous programming with operations in Swift, Antoine van der Lee (English)

    Posted on August 20, 2020


    In this first ever online-only CocoaHeadsNL meetup Antoine takes us for a deep dive into operations in Swift and how it can be used for creating asynchronously executing tasks or operations. The Playground file can be found at Antoine's GitHub: https://github.com/AvdLee/AsyncOperations