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Swift

Swift

Great Reads

MVVM-B - B from Business logic

by Paulo Zemek

Mistakes that can be made while using MVVM and how to overcome them

Pwnage Checker - An iOS App Built Using Swift

by Vince Chan

Pwnage Checker is an iOS app that allows users to check whether an account has been compromised in a known data breach

iOS 12 Programming Fundamentals with Swift: Intro & Chpt1

by raddevus

Learn to create iOS apps using Xcode while you learn Swift. (If you've ever wanted to see iOS app dev in action, take a look at the screenshots.)

Tree View in Swift For iOS

by pgmr_64804

Tree View in Swift for iOS that is easy to implement and use

Latest Articles

iOS Cocoa Layout - The Difference between Nib and Xib

by Serhii Krotkykh

On easy example shown how to implement UIKit and SwiftUI TableView auto resizable cells and explained difference between Nib and Xib, how to load nib file and what exactly owner parameter of the load nib file method.

Result Builder in Swift for MVVM Pattern

by Serhii Krotkykh

Example of using result builder for the MVVM pattern

How to Add Live Activity to Your Existing Project - Part I

by Dearich

First part of the ultimate guide on how to add a Live Activity feature to your project

MVVM-B - B from Business logic

by Paulo Zemek

Mistakes that can be made while using MVVM and how to overcome them

All Articles

Swift

How can I upload a tar.bz2 file to openstack swift object storage container using Python swift client?

28 Mar 2024 by Andre Oosthuizen

Your issue lies within the message - Quote: TypeError: object of type 'TarInfo' has no len() Your 'iter_wrapper' function in your 'swiftclient.utils' module is trying to read the length of a chunk of data, but it's encountering a 'TarInfo'...

How can I upload a tar.bz2 file to openstack swift object storage container using Python swift client?

21 Mar 2024 by Hanginium2412

I wrote a Python script which included the python-swiftclient module to connect to the OpenStack Object Storage and upload some files to the container after reading the python-swiftclient documentation:...

Error in wireguard-Apple --> building and integrate for iOS and macos

13 Sep 2023 by Pravin TS

I am trying to integrate WireGuard for iOS and macOS in Xcode, the build process is success, but the integration shows error,although I had followed the procedures said in...

The given data was not valid JSON garbage at end

16 Jul 2023 by OriginalGriff

As Richard and Bryian have said, you need to look at the actual data you are processing: either use the debugger, or log it to a file for post-processing examination. Without that, you are just guessing and can't be sure what is going on. But...

The given data was not valid JSON garbage at end

16 Jul 2023 by Member 14024497

why is this error popping out MC] Reading from public effective user settings. Error: Couldn't decode data into Blog: dataCorrupted(Swift.DecodingError.Context(codingPath: [], debugDescription: "The given data was not valid JSON.", underlyingError: Optional(Error Domain=NSCocoaErrorDomain...

Pattern to narrow text recognition area

13 Mar 2023 by Funghi Funghi

I want to make a module in swift app for scanning physical ID and using some of scanned info to reproduce this ID in app. Is it possible to make some sort of pattern or map (every ID is has same dimensions and layout) to get the necessary data...

Trojanvpn based on tun2socks library immediately disconnected

25 Feb 2023 by smartdev0126

We've developed trojanVPN based on tun2socks and used tun2socks library. This is source code of VPNManager.swift import Foundation import NetworkExtension extension NEVPNStatus: CustomStringConvertible { public var description: String { ...

How to add two different collectionviews with xibs in first and second cell of tableview

22 Feb 2023 by Member 8840306

I am new in swift.I took code from this link. I have first CollectionView(that is array of images) in side first `section` tableView.That was working fine as that was logic provided by that link.I want to change the code so that i will display...

iOS Cocoa Layout - The Difference between Nib and Xib

22 Feb 2023 by Serhii Krotkykh

On easy example shown how to implement UIKit and SwiftUI TableView auto resizable cells and explained difference between Nib and Xib, how to load nib file and what exactly owner parameter of the load nib file method.

Result Builder in Swift for MVVM Pattern

17 Feb 2023 by Serhii Krotkykh

Example of using result builder for the MVVM pattern

How to Add Live Activity to Your Existing Project - Part I

5 Jan 2023 by Dearich

First part of the ultimate guide on how to add a Live Activity feature to your project

Multiple headerview in tableview in swift

2 Jan 2023 by chirag patel 2023

I want to create 3 headers in the tableview given in the images and 8 students in each row, my code is as follows https://i.stack.imgur.com/zynoj.png[

How do I detect if the user has touched the ground in Apple watch os app development

7 Dec 2022 by ameen khalil

Hey Guys, I am trying to build an apple watch app, which will detect when the arm of the user touches the ground or the user goes towards ground. example use case: Burpies, this is one type of excersize where a man stands up, does squats and...

How do I send data between an iPad and a windows pc?

24 Jun 2022 by RickZeeland

Maybe you can take a look at the free and open-source FreeFileSync[^] for inspiration. The source code can be found here: GitHub - hkneptune/FreeFileSync: A Copy of FreeFileSync Source Code[^]

How do I send data between an iPad and a windows pc?

24 Jun 2022 by Charles Urban

I'm currently developing an app for a company who wants to be able to press a button on an iPad that will launch a program on a windows pc, gather information from the windows pc and return that info back to the iPad. What I have tried: I've...

How do I send data between an iPad and a windows pc?

24 Jun 2022 by rnbergren

do you have any code examples of what you have tried?

Flutter firebaseauth - unrecognized selector sent to instance 0x20d326df8

30 Apr 2022 by Anar Aliyev 2022

I am trying to add Firebase Phone Authentication in my app but getting error every time when I want to send tel number to firebase. It states that - unrecognized selector sent to instance 0x20d326df8. I am using real IPhone not simulator. Here is...

Star print problem using swift for-loop - Q.01

24 Mar 2022 by OriginalGriff

Repost: Deleted. Please do not repost your question; use the Improve question widget to add information or reformat it, but posting it repeatedly just duplicates work, wastes time, and annoys people. I'll delete this one.

Star print problem using swift for-loop.

24 Mar 2022 by dex1996

Star Print Problem Using Swift For-Loop. I am a swift beginner. The teacher gave me the questions. I tried to work for it. However, the teacher expect to have another solutions. Could anybody give me some suggestions? //Question01 * *** **...

Star print problem using swift for-loop.

24 Mar 2022 by Dave Kreskowiak

You're not looking at the pattern in those lines, specifically, what happens to the count of the number of stars from one line to the next. That's all the help you're going to get because the rest is easy.

Star print problem using swift for-loop.

23 Mar 2022 by OriginalGriff

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for...

MVVM-B - B from Business logic

14 Mar 2022 by Paulo Zemek

Mistakes that can be made while using MVVM and how to overcome them

Type of expression is ambiguous without more context

11 Jan 2022 by Member 15127345

I'd like to iterate through the tuple in a for loop, like this: for i in 0...4{ if let value = element.list_of_keywords?.i, value == keyword { if let value = element.name{ returnListOfCities(name: value) ...

Swift - creating a data model and an array

11 Jan 2022 by Member 15127345

I'm just starting out my journey in Swift and I have a task to do that I need help with. First, I have to create a data model and an array: Quote: City model object should contain: id, name, description, latitude, longitude, list of keyword/tag...

Swift - creating a data model and an array

11 Jan 2022 by Richard MacCutchan

I am not a Swift programmer. However, after reading https://docs.swift.org/swift-book/LanguageGuide/ClassesAndStructures.html[^] I would make the following suggestion. The task is to create an array of City objects, not strings of city names. So...

Does unifiedcontacts(matching:keystofetch:) return only unified contacts and leave out non-unified contacts?

16 Nov 2021 by ShinehahGnolaum

When I use the Contacts Framework with Swift for iOS 15 using Xcode 13, when I use CNContactStore instance method unifiedContacts(matching:keysToFetch:), what happens to those CNContact objects that are not linked with any other CNContact...

Swift 5/iOS open weather API

11 Nov 2021 by Sleeper 11888211

Thanks Richard! I added %20 to substitute for spaces: New York ---> New%20York and it worked as expected. Swift: if let city_old = searchTextField.text { city = city_old.replacingOccurrences(of: " ", with: "%20") ...

Swift 5/iOS open weather API

11 Nov 2021 by Sleeper 11888211

I have Swift code to call on the Open Weather API.The code works well with any one word city (eg Rome), but balks at a city with more than one word (eg New York). I have some print statements to show console output at various steps and they...

Application crashing after updating app from playstore. But not crashing for fresh installations.

6 Sep 2021 by OriginalGriff

We really can't help you: we have no access to your code or any idea what it is doing. So it's going to be down to you - and the chances are you'll have to fall back to old-school debugging: manual logging. If you can get it to fail under the...

Developing a Private Network Connection iOS App Exploring OpenVPN Protocol

29 Jun 2021 by Dener Araújo, André Marcos (Advisor)

A Mobile Application Development for a Private Network Connection on iOS Platform Using Prococol OpenVPN

Automatically back navigation perform when parent view updates in swiftui iOS

14 Jun 2021 by Abbas Gujjar

Suppose we navigate to child view and when the Parent View updates then automatically back navigation performs up to Parent View. Can we disable this Behaviour? What I have tried: I have a list of card views and when I click on one of them...