Combine was revealed in WWDC 2019 and is a “Unified, declarative API for processing values over time”. Focus on using Generics in order to reduce amount of boilerplate code. Write common generic algorithms about asynchronous behaviors only once but they will apply to many types of asynchronous operations. Core properties…

Here’s a short summary of this WWDC2020 talk about app terminations in iOS: https://developer.apple.com/videos/play/wwdc2020/10078/ iOS14 now provides a new API: MetricKit that gives specific reasons why our app is getting killed: The last one “NormalExitCount” is when a user explicitly terminated your app via app switcher. We can get programmatic…

I see a lot of people posting screenshots of their podcast player in their Instagram stories— showing off what podcast episode they are listening to. I found an app called: “Podcast Video Maker” that shares a short clip of any podcast episode along with a neon sign style animation (an…

2 Main frameworks for networks on iOS: NSURLSession and Network.framework. Low Data Mode New feature in iOS13. Intended to use less data on a particular network, such as a congested on-airplane Wi-Fi network. Explicit signal to your users and to the application to use less data. Works on wifi and cell network. …

Declarative, compositional, sequenced and simple. View structure is defined as a one piece structure— declaratively. Intends to have your code match your view structure: A container view is a composition with a closure called “View Builder” that contains multiple sub views. An example of one is the VStack. The @ViewBuilder…

I’m compiling this simple point form document mainly for myself, to keep track of some of the more general exciting features from WWDC 2019. I will not be covering niche APIs such as Health Kit or Home Kit. Please excuse the rough format. Feature list from State of the Union: iOS Apps now portable to Mac with…

This book talks about our technological future, and about the fact that this future is already here and occurring right now! Will you later be able to marry a machine, or perhaps zoom around in flying cars? There are 12 forces that are active in how they define our future…

This book talks about the importance of making your products remarkable. Remarkable means: “Worth making a remark about”. If you see a field of cows and they are all black or brown, then you suddenly see a purple one: that’s remarkable. …

This book talks about 5 different groups of consumer who adopt your tech product in stages. They range from the earliest of adopters to the most skeptical people who are last to join. Making the jump between the early-adopter niche market and the mainstream market is always a messy transition…