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Andrew Fletcher
•
What to do when you want to filter a Realm object, using NSPredicate in SwiftUI or in Swift.
Applying the filter to a simple condition in one line
let exists = realm.objects(ExampleObj.self).filter(NSPredicate(format: "uid = %ld", uid))Creating a variable predicate that will be injected as a condition
let predicate = NSPredicate(format: "uid = %ld AND nid = %ld",uid,nid)
let exists = realm.objects(ExampleObj.self).filter(predicate)Finally, managing the predicate as an array by...
Andrew Fletcher
•
Today while in Terminal, I ran a regular script pod update. However, this...
Andrew Fletcher
•
I'm going to take you on a journey about adding a gradient tint to a...
Andrew Fletcher
•
Creating a new SwiftUI project is a quick process. There are already...
Andrew Fletcher
•
How to apply a gradient tint over a background image?
Set the background...
Andrew Fletcher
•
For detailed notes regarding how to add custom fonts to your iOS app see Apple's custom font notes.
When using the font programmatically, remember that the font file name most of the time will not be the font name. For example, I wanted to use SF-Pro-Text-Bold and its font name is SFProText-Bold. If you want to check the font name, add the following script
for family in UIFont.familyNames.sorted() {
let names = UIFont.fontNames(forFamilyName: family)
print("Family:...
Andrew Fletcher
•
Working on formatting the date in Xcode, and you come across the situation where...
Andrew Fletcher
•
Adding a floating decimal point for n number of places is quite easy to achieve....