Sep 9, 2020Member-onlyRecreating Swift’s Result type in KotlinIn Swift, I use the Result type extensively. Mostly for async callbacks, but it’s generally a nice, tidy and consistent way to provide a value that can either be a success or failure as a result of calling a function. When I started learning Kotlin, I found that there is…Kotlin3 min readKotlin3 min read
Aug 19, 2020Sticky UI in Android bottom sheetsOver the past few months I’ve been working on porting one of my native iOS apps to Android, and I’ve been learning a lot about how Android works as a platform. I’m now far along enough into development that I’m starting to work on refining the UI, and one of…Android5 min readAndroid5 min read
Aug 4, 2020Swift Package Manager is a potential security riskLet me start off by saying I absolutely love Swift Package Manager and I think it’s the future of dependency management on iOS, so-much-so I’ve written posts on what we can do with it. But I also want to use this opportunity to highlight a potential risk with using it…Swift7 min readSwift7 min read
Published in Kin + Carta Created·Jul 30, 2020Member-onlyModern Modular Apps With Xcode 12 and Swift Package ManagerLast year, after Apple released the first beta of Xcode 11 with native support for Swift Package Manager (SPM) built in, I wrote a post on how we can leverage this to build modular apps with Swift Packages. In it, I touted that it would make it possible to ditch…Engineering5 min readEngineering5 min read
Published in Kin + Carta Created·May 27, 20205 things every iOS developer learning Android should knowI recently started my journey into Android development after creating iOS apps for 5 years, and there are a few things I wish I knew that tripped me up at the start. In this post, I’ll go over 5 of them, so if you’re learning (or thinking about learning) Android…I OS6 min readI OS6 min read
Published in Kin + Carta Created·May 19, 2020Member-onlyWhy bespoke Contact Tracing apps don’t work so well on iOSWhile Apple and Google work on a new cross-platform contact tracing API to help tackle the COVID-19 pandemic, we’re starting to see some countries release bespoke apps built using just the existing Bluetooth APIs on each platform. What we’re quickly seeing in the media about these solutions is that the…I OS11 min readI OS11 min read
Published in Kin + Carta Created·Nov 27, 2019Manually testing HealthKitBecause any app can read and write to the Health store on iOS and watchOS, (with permission from the user), it means that your app has to be ready to respond to changes made out of your app’s control. This is a relatively new concept in iOS, since generally the…I OS5 min readI OS5 min read
Jul 26, 2019Sanitising user input with Swift 5.1Okay, so I’m a bit behind, but how amazing are @propertyWrappers in Swift 5.1?! Recap Formerly called “property delegates”, property wrappers are just that. They’re a wrapper around a property, and they’re simpler to set up than you might expect. A property wrapper is just a type annotated with @propertyWrapper : …Swift3 min readSwift3 min read
Published in Kin + Carta Created·Jun 4, 2019Modern modular apps with Xcode 11 and Swift Package ManagerNOTE: Xcode 12 improves Swift Package Manager support for creating modular apps, so I’ve written a follow up post with how to use it. Xcode 11 beta 1 is out, and it is extremely exciting! …Swift4 min readSwift4 min read
Published in Kin + Carta Created·Jun 4, 2019From WWDC information overload to information zenA strategy for coping with WWDC — Each year at WWDC, Apple unveil new features and APIs for their growing roster of platforms. Some years are more exciting than others, but since this year is especially exciting and subjectively packed full of new stuff, I’d like to offer a plan for dealing with the overwhelming wealth of…Apple5 min readApple5 min read
