Optimizing iOS App Performance - Common Techniques

Introduction A well-performing application is the heart of a good user experience. If an application responds well, it helps attract more users and grow the business around it. On the other hand, if it performs poorly, it frustrates users and leads them to uninstall the app. To solve these issues, we need tools to monitor app behavior. Luckily for us, Xcode provides a list of tools that will help us resolve these problems....

July 31, 2024 · 2 min · Dmytro Chumakov

Implementing HealthKit in an iOS App

Introduction Previously, I worked with a healthcare app that used the HealthKit framework, but I did not get the opportunity to implement it myself. I decided to look into it and share what I found. In this article, I will focus on the steps to integrate HealthKit, write, and access its data. Preparation Before we dive into implementation, I assume that you have an active Apple Developer account; without it, you will not be able to access the HealthKit Store....

July 26, 2024 · 4 min · Dmytro Chumakov

Implementing ChatGPT in an iOS App

Introduction I haven’t had the opportunity to build a chatbot before. This topic was trending some time ago, and I always wanted to implement it myself. In this article, I will focus on the steps you need to know to successfully build and run a chatbot application. First Step The first step is to add the OpenAI dependency to your project: .package(url: "https://github.com/MacPaw/OpenAI.git", branch: "main") dependencies: [ .byNameItem( name: "OpenAI", condition: ....

July 21, 2024 · 2 min · Dmytro Chumakov

Implementing Apple Sign-In to an iOS App

Introduction The Apple Sign-In feature is very helpful and offers users login functionality with one click. It could be highly beneficial from a business perspective to attract more potential customers by providing easy and secure access to application functionality. In this article, I will focus on how to implement Apple Sign-In. Before implementation, let’s set up the necessary options to be able to run the app without errors. Add Sign in with Apple Capability to the project 📝 Before testing on the simulator, you need to be signed in to an account with enabled two-factor authentication....

July 18, 2024 · 2 min · Dmytro Chumakov

Scanning NFC tags using CoreNFC in an iOS app

Introduction I never had a chance to work with NFC (Near Field Communication), but I have always been curious to find out how it works. In this article, I will focus on scanning NFC tags using CoreNFC with NFCNDEFReaderSession. Preparation Before we begin, let’s add the necessary objects: Near Field Communication Tag Reading capability to the project. Privacy - NFC Scan Usage Description key to Info.plist. Near Field Communication Tag Reader Session Formats to the entitlements file....

July 12, 2024 · 2 min · Dmytro Chumakov