Recent Work
- What Are All of the Possible Environment Keys in SwiftUI?
- WWDC - The Worldwide Developer Community
- StoreKit Testing Swift Start
- Implementing In-App Purchases on iOS
- iOS Receipt Validation: Understanding and Troubleshooting the Original App Version Field
A breadcrumb post about where to find a listing of all the possible keys that can be found in the SwiftUI Environment.
What if WWDC didn't have to feel like such a Worldwide Developer Competition?
What if you could test your StoreKit functionality 100% locally while developing? With StoreKit testing, now you can!
Offering digital products and services directly within your app is a great way to grow your revenue. This course will teach you how to offer digital content as in-app purchases for your iOS apps.
The 'original_application_version' field of your app's receipt may not mean what you think it means, especially with App Store production environment receipts.
Pluralsight Courses
iOS Development
Data Persistence
- A Swift Implementation of the Core Data Stack Using NSPersistentContainer
- Core Data Cheat Sheet for Swift iOS Developers
- Core Data Model Attributes and NSManagedObject Property Types Must Match!
- Core Data: Solving Ambiguous Type / Redeclaration of Type
- Creating the Core Data Stack with Backwards Compatibility in Swift
- Displaying Data With NSFetchedResultsController and Swift
- Do Core Data Entities Need Primary Keys?
- First Impressions of NSPersistentCloudKitContainer
- Getting Started With NSPersistentCloudKitContainer
- How Smart (Or Dumb?) Should NSManagedObjects Be?
- How to Pass NSManagedObjectContext to a SwiftUI View
- How to Use @FetchRequest in SwiftUI
- Implement NSManagedObject Subclass in Swift
- NSPersistentCloudKitContainer Buggy Behavior List
- On Core Data Object Fetching and Display Strategies
- Resolving Failed to Load Model Named... with Core Data
- Sharing a Core Data Model with a Swift Framework
- Swift Tip – Accessing a User’s Documents Directory with URL Extension
- The Case for CloudKit
- Using Core Data With SwiftUI - An Introduction
- Using Swift to Seed a Core Data Database
- Using a Core Data Model in Swift Playgrounds
- Using an Existing SQLite Store with NSPersistentContainer
- iOS KeychainItemWrapper – Obstacles Overcome, Inconsistencies Resolved
In-App Purchases
- Extracting a PKCS7 Container for Receipt Validation with Swift
- Finalizing Receipt Validation in Swift – Computing a GUID Hash
- Loading a Receipt for Validation with Swift
- Local Receipt Validation for iOS in Swift From Start to Finish
- OpenSSL for iOS and Swift the Easy Way
- Preparing to Test Receipt Validation for iOS
- Receipt Validation – Parse and Decode a Receipt with Swift
- Receipt Validation – Verifying a Receipt Signature in Swift
- StoreKit Testing Swift Start
- iOS Receipt Validation: Understanding and Troubleshooting the Original App Version Field
Patterns and Practices
- 7 Reasons You Should Write About Swift
- Analyzing Swift Protocol Extensions and C# Abstract Classes
- Clarifying Swift Access Control (Hint: Swift Isn’t C#)
- Clean Coding in Swift – Functions
- Clean Coding in Swift – Type Inference
- Conveniently Transforming Immutable Types in Swift
- Converting Complex Objective-C Macros to Swift Functions
- Enums Instead of Booleans – An Example Implementation
- Every Developer is an API Designer
- Every Swift Value Type Should Be Equatable
- Expanded Thoughts on Swift’s Type Inference
- Force Unwrapping Swift Optionals: Code Smell!
- Fundamentals of Callbacks for Swift Developers
- Fundamentals of NSNotificationCenter in Swift
- How Delegation Works – A Swift Developer’s Guide
- How to Unwrap Multiple Optionals with One If-Let in Swift
- Immutable Types with Changing State in Swift
- Is Protocol Oriented Swift Better than Object Oriented Swift?
- NSNotificationCenter vs Delegation – An Analysis
- Pick a Delegate… Any Delegate… On Clean View Controllers in Swift
- Replace Magic Strings with Enumerations in Swift
- Resolving “Variable used within its own initial value” Error in Swift
- Send a Type to Obedience School – Using Swift Extensions for Additional Protocol Conformance
- What is Delegation? – A Swift Developer’s Guide
- Working with Swift: Adopt a Protocol or Pass a Function?
React Native
Swift How-To's
- Access Sub-Controllers from a UINavigationController in Swift
- Circular Progress Indicator in Swift
- Displaying and Updating Currency in a UILabel
- Distinguishing Between Multiple UIActionSheets with Swift
- Fade In / Out Animations as Class Extensions in Swift
- Fade Views In/Out with Fadeable – A Swift Protocol Extension
- Get Social With Swift – Posting to Facebook and Twitter
- Rotate Animation in Swift
- Send Email In-App – Using MFMailComposeViewController with Swift
- Send Text Message In-App – Using MFMessageComposeViewController with Swift
- Slide In Animation in Swift
- Swift Alternative to Objective-C Macros
- Swift Cheat Sheet for Dates, Formatters, and Date Components
- Swift Cheat Sheet for iPhone Camera Access and Usage
- Swift Cheat Sheet for iPhone Location Services Access and Usage
- Swift UIColor Extension – Create using RGB Values (Not %)
- Swift iOS Version Checking
Swift Language Notes
- 3 Nuances of Swift Extensions
- Sort It Out – Sorting an Array in Swift
- Strong, Weak, and Unowned – Sorting out ARC and Swift
- Swift 4 Upgrade Error: ‘init(colorLiteralRed:green:blue:alpha:)’ is unavailable
- Swift Framework Woes – Unresolved Identifier? No Member?
- Swift Functions as Types
- Swift Optionals? Don’t Forget to Unwrap!
- The 5 W’s of Swift Extensions
- What in the World is an “Escaping Closure” in Swift?
- What is an ABI
- Why Do We Need to Annotate Escaping Closures in Swift?
- Why is Swift ABI Stability a Big Deal?
- Why is it called a “Closure” anyway? A Swift Conceptual Look.
Testing
- An (Almost) TDD Workflow in Swift
- Creating Trust-able Unit Tests in Swift
- Don’t Write Legacy Swift
- Getting Started with Unit Testing in Swift
- How to Create Mocks and Stubs in Swift
- Improvements to Unit Testing in Swift with Xcode 7
- Swift Access Control – Implications for Unit Testing
- Swift Unit Testing Resources
- Swift Unit Testing – Verifying Method Calls
- TDD for iOS in Swift – What’s the Goal?
- Testability Tip for Swift Developers – Parameterize and Push
- Testability Tip for Swift Developers – Public Over Private
- Testing is to Software as Experiment is to Science
- Unit Testing Model Layer with Core Data and Swift
User Interface Work
- Accessing the Root View Controller at Launch on iOS 13 with SceneDelegate
- Adding Buttons to the Navigation Bar with Storyboards
- Apple's SwiftUI Essentials Tutorial Series as Playgrounds
- Basics of Pull to Refresh for Swift Developers
- Custom UITableViewCell for Text Input in Swift
- Swift How-To: Setting up a Table View
- Swift UITableViewDataSource Cheat Sheet
- SwiftUI is Declarative. What Does That Mean?
- Sync Table View Data: NSFetchedResultsController and Swift
- Taking First Steps With SwiftUI
- UITableView Swipe to Delete Workflow in Swift
- Using SwiftUI in a Playground
- What Are All of the Possible Environment Keys in SwiftUI?
- Working with Unwind Segues Programmatically in Swift
.Net Development
- 401 Unauthorized Browsing Site From Local IIS Instance
- Date, Date?, and the ToString Method in VB.Net
- Diagnosing “Restore failed” with ASP.NET 5 on Mac
- DotNetZip – Solving Mac Decompression Issues
- Entity Framework Tip – Specifying Decimal Precision
- NuGet app.config / web.config Transformation Trouble
- SQL Sever Synonyms, Entity Framework, and Integrated Security
- Solving ‘Spatial types and functions are not available’ with Entity Framework
- TypeScript Build Errors When Publishing ASP.Net Web Project
- Up and Running with Unity IOC Container for ASP.Net MVC
- Using PowerShell to Install a DLL into the GAC
Things I Wrote That Didn't Fit Anywhere Else ¯\_(ツ)_/¯
Musings
- 3 Effective Ways to Keep You Focused as a Creator
- Agile Blogging
- Announcing the Birth of……
- Contributing My Share of Bytes
- Create Sound Clips from iTunes
- DataStage Range Lookup Failure – What Gives?
- Dissecting 10 Read 10 Said – My New Swift iOS App
- From SQL Queries to Data Modeling
- How Old is Silas Allen?
- Journey in iOS Development Series – In the Beginning…
- Make a Bash Script Executable
- Pointer Pointer #1
- Pointer Pointer #2
- Removing Chart Gridlines and Plot Area Background in Report Studio
- Report Studio Bullet Chart – Missing Target
- Resolving “UDA-SQL-0569 Unable to load the driver manager library ( db2cli.dll )” with Framework Manager 10.1
- SSRS: Which server sent my e-mail subscription?
- Troubleshooting SQL Server 2012 Reporting Services and SharePoint 2010 Integration (Part 1)
- Troubleshooting SQL Server 2012 Reporting Services and SharePoint 2010 Integration (Part 2)
- WWDC - The Worldwide Developer Community
- “Unexpected System Error” in DataStage Sequence Job