Reading time: 1 min

This recipe shows how to implement a timer in SwiftUI in order to update the UI state at a specific interval.

There are two ways of going about it:

  1. The simple one, with onReceive.
  2. A bit more complex, but also more powerful one, using SimpleTimer wrapper.

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Reading time: 3 min

Here's a quick tip for resolving a common and annoying error that you'll occasionally see. The error message is

Function declares an opaque return type, but the return statements in its body do not have matching underlying types

and you can see it if you declare a function or a property that returns some View and the body has multiple returns.

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Reading time: 1 min

This recipe shows how to implement a star rating view in SwiftUI.

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Reading time: 2 min

A Flow Layout is a container that orders its views sequentially, breaking into a new "line" according to the available width of the screen. You can compare it to a left-aligned block of text, where every word is a View. A common use for this layout is to create a tag cloud.

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Reading time: 1 min

Here's a quick recipe for getting the key window, top or root View Controller, in a scene-based SwiftUI app.

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