How to get the best out of a Combo box, and all about Pop-up Buttons, Text Fields, Date Pickers and more.
AppKit
From launch, through security checks, TCC and privacy, RunningBoard, to memory management and the Main Event Loop. A comprehensive summary.
iPadOS apps are written to use UIKit and features such as scenes. How can Catalyst get these to work in macOS, then?
Was WWDC a damp squib after all? With only one new unaffordable Mac announced, and more dreadful privacy dialogs on their way, you might think so.
TextEdit will happily trash an HTML file when you convert it to text – without any good reason, other than an engineer not being familiar with macOS.
How to cater for Dark Mode when printing an AppKit view, and how to add a command to export a document in PDF format. Swift 5.0.
How can the Open Recent menu offer to open a document that no longer exists when the volume it was on is no longer mounted?
In Sierra but not Mojave, when the user opens an ancillary window, it appears for a moment, then vanishes. Is it a bug in the code, or in AppKit?
Would you like to have two or more windows open on the same document, so you can check notes or references while reading? Now you can, for PDFs.
A simple way to provide a proper Help book for your app, and separate PDF documentation without wasted effort. Uses Swift in Xcode.
