A Quick Response code or QR Code is a type of two-dimensional barcode invented by the Japanese automotive company Denso Wave in 1994. A QR code consists of black squares arranged in a square grid on a white background. This article shows how to create QR codes in SwiftUI using the CoreImage framework.
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Small pieces of App data can be stored using UserDefaults in SwiftUI. This is particularly good for application settings rather than user data that may be better stores in a larger database or using core data. This article describes how to use UserDefaults to store application data.
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User Interface (UI) testing is a type of automated testing where the app is run and the user actions are simulated and the response from the app is measured to ensure correct behavior. This article adds UI tests to the FizzBuzz app.
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Unit tests are low level tests written to test individual functions in code. Apple introduced XCTest with Xcode 5 in 2013 and has continually evolved it over time. This article adds unit tests to the FizzBuzz app.
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Model-View-ViewModel (MVVM) is a design pattern used to separate the user interface from the business logic in an application. A simple game is used to demonstrate the three components of MVVM in SwiftUI. MVVM consists of; a Model that contains the data and business logic; a View that presents data to the user and …
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Building on previous articles on Path animation in SwiftUI, this article demonstrates how to animate the smooth transition form one random shape to another. This is done by defining a custom AnimatableData for a list of cubic curves and using this in a custom shape so that SwiftUI can present a smooth transition from …
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Continuing on the exploration of animating Paths in SwiftUI. This article shows how to animate the movement of a cubic Bézier curve from one position to another. The smooth transition from a straight line to a curved line is also shown by adjusting the two control points.
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Continuing on the exploration of animating Paths in SwiftUI. This article shows how to animate the movement of a quadratic curved line from one position to another. The smooth transition from a straight line to a curved line is also shown by adjusting the control point.
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Following on from creating blob shapes in SwiftUI, I started looking into animating a change from one shape to another. This article shows how to animate the movement of a straight line from one position to another.
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Is it possible to create any shape using the Path in SwiftUI? I slipped down a bit of a rabbit hole when creating shapes for card suits in SwiftUI. In this article I will explore how to create a random blob shape in SwiftUI.
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