I have numerous times needed to show some sort of collection view which adjusts its height based on the content. Most of the time it has been a dynamic list within some more complex scrollable UI. Therefore, in this post, we'll take a look at how to set up a collection view which has its …
Signal Path 2.6 for macOS, iOS and iPadOS
Signal Path version 2.6 is out. Signal Path now supports wav files in addition to the existing raw IQ data format. Audio recordings are now saved as wav files, and it means that audio recordings can be played with other music player apps. Additionally, some audio quality issues related to playing audio recordings were fixed …
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Image converter with AsyncSequence
WWDC'21 brought us a new protocol named AsyncSequence. As the name stands, it represents a sequence of asynchronous elements. For trying out the new API we'll build a tiny ThumbnailSequence which takes in a list of image names and by iterating the sequence, we'll get back scaled thumbnails for those image names one by one. …
Requiring min code coverage in Swift packages with GitHub actions
I have written before about running tests and getting code coverage data for Swift packages in Running tests in Swift package with GitHub actions and Code coverage for Swift Packages with Fastlane. In this post, I am going to revisit the problem and use only tools from Xcode: xcodebuild and xccov. One downside of the approach in …
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Signal Path 2.5 for macOS, iOS and iPadOS
Signal Path version 2.5 is out with a new welcome view on macOS and general improvements related to faster app launch time on all the platforms. Welcome view on macOS
Exploring AttributedString and custom attributes
WWDC'21 brought new APIs for creating attributed strings. AttributedString is a new value type which provides a type-safe API for dealing with attributes, its also localizable, supports limited amount of Markdown syntax, and can be even archived and unarchived thanks to the Codable support. In this blog post, we'll take a look at the new …
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Subtitled button in SwiftUI
Buttons in SwiftUI are represented with a Button type. Buttons are easy to create and can be customized either with directly providing a styled label or using a ButtonStyle protocol to define the visual appearance. Quite often we can find ourselves in a situation where we need a button which has a title and also …
An overview of the time profiler in Instruments
Instruments is an application bundled with Xcode. It enables to measure application performance in variety of ways. Performance is extremely important as it keeps application responsive and in other things less CPU usage also means longer battery life. Time profiler is one of the instruments which can be used for measuring your application. What it …
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Measuring collections with Apple’s Swift Collections Benchmark
Apple's swift-collections package contains data structure implementations which have more specific use-cases and therefore not fitting into the Foundation. Along with collections Swift package Apple also released swift-collections-benchmark package which implements benchmarking. As like with any other Swift package we can use the benchmarking package for our own purposes as well. Therefore, in this blog …
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Running tests in Swift package with GitHub actions
Some time ago I published a tiny Swift package IndexedDataStore which tackles a problem of storing data blobs on disk. It could the image data or anything else. When working with Swift packages then it is extremely easy to build and run tests on macOS but when we want to build and run tests on …
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