Category: GUI

Launch an Alert from a Closure Safely

Your app can get into problems when you launch UI from others threads, such as closures.  For example, you  might have an app that going to ask for permissions for things like photos, notifications, or location data. The system usually handles those, but you…

Change UIColors to RGB and HSB colors

One dilemma you’ll find when working with colors is switching between color systems. There’s two you’ll most often be using: the Red-Green-Blue or RGB and Hue-Saturation-Brightness or HSB. Download the Exercise file and run. It will give you the HSB value, but what if…

Use Dynamic Type

For reading ease and visual accessibility you should be using dynamic fonts whenever possible. Let’s look at an example you can get from the download files. I’ve run the Split View Controller from a previous tip in landscape on an iPad Pro 9.7 inch….

Actions in Table Views

Sometimes table views could use a few buttons. There’s two delegates which create swipe buttons on table view cells. Let’s learn how you can implement these buttons and an interesting hidden feature you can do with them.  There is two delegate methods, one for…

Replace Segmented Controls with Button Arrays

You’ve probably used the Segmented control before like this one It’s great for some simple uses but lacks flexibility. Besides using only text or single color icon, it doesn’t work in vertical or other arrangements. Let’s look at another solution: Using Button arrays.  In…

Using Haptics

Learn how to use haptics to give phone vibrations and physical sensation to your iPhone apps.

Fix Stack View Disasters

Learn how to take a disaster of nested stack views and untangle it into a great user interface.