Walled Garden Farmers
Programming
How to Unit Test Network Code in Swift
Testing network I/O code without accessing the backend is not easy. Here is how you can mock the backend by injecting code into the URL Loading System
How To Program iOS on iOS
“Do I need a Mac to program iOS?” – for a long time there is only one answer: “Yes”. But this is no longer true, as there are many ways to program iOS – including on itself. Yes, you can make apps on the device itself. Read this article to find out how.
How to Maintain Loading State in Cells
When a table view asks for a cell, often images in the cell isn’t yet available and needs to be fetched from a server – thus the cell gets a placeholder image. But static placeholders doesn’t look as good as animated ones. Unfortunately cell views gets scrolled off and re-used which makes managing animations challenging.
Clean Architecture with VIPER Sample Project for UIKit
Architecting applications to meet today’s challenges and be ready for tomorrow’s problem is not an easy feat. The principles of clean architecture may be sound, but separating the signal from the noise is tough. Here is a sample VIPER project for iOS that you can tinker to learn about the principles of clean architecture.
How to Implement VIPER Clean Architecture in an iOS App
Compartmentalizing functionalities within an app to improve its maintainability is difficult. More so when you’re not well versed with software architectures and other software engineering principles. What if you can confidently structure your app to be resilient and adaptive to change?
Code Signing Failure due to Symlink Folders
You try to reduce the application’s size by sharing resources in framework bundles and creating symbolic links so that other frameworks can find and use those resources. However this fell at odds with code signing (and probably notarization). Here is how to share code and resources in frameworks the right way.
How Newbies Should Start Learning iOS User Interface Programming
When you’re just starting out in iOS development, there are so many options in which to place a button. There’s storyboard, auto layout, and even SwiftUI — that’s just scratching the surface. How should someone new to programming the platform chart a learning path?
Modeling In-App Purchases Inventory
There are four types of in-app purchases in Apple’s App Store, with their own unique ways to manage it. The challenge is how to isolate the intricacies of these product types from the rest of the application. Otherwise a move from non-consumable in-app purchase to a subscription type would involve a major rewrite. Learn how […]
Notarizing Disk Images for Developer ID Distribution
Do you distribute your macOS apps as .zip files? That has been quaint since Sierra. You should package your apps as signed and notarized disk images instead. Otherwise Catalina would say that your package is suspicious. However creating disk images is a rather involved process. Read on to find out more.
Architecting a Scalable Web Application
Writing a web app is one thing. Deploying it on the global Internet for millions of users is another thing. Keeping it secure from prying eyes, competitors, and general baddies is yet another challenge. How can you do all of this in a startup where there are a billion of other things in your head […]
Future-Proof Your Data Persistence
The data persistence stack that is an appropriate decision today may not be an optimal solution when your app has grown. You would need to design your app to withstand the test of time and be extensible for as it grows. Read more to learn how.
Watch App as In-App Purchase?
How do you sell a watchOS app? Through in-app purchase of course, like these fine apps have done. However there’s a caveat condition that you need to guard for, otherwise you risk having angry customers.
Enabling Hardened Runtime on a Sparkle App
Notarization requirements is just around the corner in the coming release of macOS. But the Sparkle updater framework is not yet ready for it. Here’s how you can fix that.
Shared Frameworks in a Hardened Runtime World
macOS Catalina is just around the corner and with it comes mandatory notarization and hardened runtime. If your mac app accepts plugins or otherwise loads 3rd party frameworks and libraries, there are a few caveats that you’ll need to take care.
Copyright (C) Sasmito Adibowo. This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.