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Andrew Fletcher
•
The purple warning notification of annoyance recently came my way! I received the following warning:
Publishing changes from background threads is not allowed; make sure to publish values from the main thread (via operators like receive(on:)) on model updates.
What was happening?
The functionality of the code uses URLSession to get a user's name via API and the display is simple piece that initially message of Hello {user}.
The view code consists of:
MainView : View
Main...
Andrew Fletcher
•
I'm currently working on a project that requires login, register, forget...
Andrew Fletcher
•
iOS localization on the fly
If you have added languages to your app......
Andrew Fletcher
•
After creating a new view with a @Binding string as follows
struct EditRival:...
Andrew Fletcher
•
Building a contact list using SwiftUI has many challenges.
One challenge is...
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
•
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
•
Working on formatting the date in Xcode, and you come across the situation where you need to check or test the date format. NSDateFormatter is a great site to check your date format string. I wanted to transform the 2019-08-15 10:34:49+1000 to Aug 15, 12:34 AM.
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MMM d, h:mm a"
let dateFormatted = dateFormatter.string(from: run.timestamp!)dateFormatted prints Aug 15, 12:34...
Andrew Fletcher
•
Adding a floating decimal point for n number of places is quite easy to achieve....
Andrew Fletcher
•
The starting point is to read through and follow the notes outlined on the...
Andrew Fletcher
•
During the process of building the app, there are warnings about the code....
Andrew Fletcher
•
https://github.com/kylebrowning/waterwheel.swift
After a short amount searching...