For many years I’ve used MFMailComposeViewController in my iOS apps to help the user send feedback emails to me. It’s a nice way of keeping the user in my app and just popping up an email composition sheet to let them say whatever they want to say quickly and easily. …

Something that can often be troublesome in iOS (or tvOS) development is presenting alerts at random times while other things might be happening in your UI. In iOS 8, Apple deprecated UIAlertView, which didn’t require a specific UIViewController to be presented from, as is required in the UIAlertController that replaced…

In Part 1 we looked at how we could generate the public API of our Objective-C/Swift frameworks in the Swift language. But what if we want to see how our public API looks in ObjC? Most people have moved on from ObjC so it may not be such a big…

If you’ve ever worked on an SDK/framework/library you’ll hopefully have done your best to keep a stable public API for the developers who use it. They’ll be happier if they don’t have to make changes in their code when you ship a new release (unless they want to use something…

As iOS devs I’m sure we’ve all come across the problem of the development version of our app suddenly failing to launch for our testers. For an app that’s actively in development it may not be a hugely common issue as your latest build will always have your latest…

Update: Check out part 5 for SwiftUI’s own VideoPlayer view in iOS 14! This blog is related to the SwiftUI video player that’s been progressing over part 1, part 2 and part 3 so you may benefit from reading those first! For the record, I’ve been using Xcode 11.2.1 for…

Accessibility is about making things usable for everyone, specifically those who might not be as able as the majority of people (this webpage provides a pretty good introduction if this is all new to you). In 2019 I went to two iOS conferences, Hacking with Swift Live and iOSDevUK. Both…

The basics I used this blog by Ben Dodson to get started with iOS 13’s OCR functionality, and you should too, it’s a very good introduction with a good example of how you could use it. Be aware that there are a couple of minor errors in the code, maybe Ben wrote…