Reading time: 1 min
This recipe shows how to style SwiftUI TextField's prompt / placeholder text, in order to, e.g, change its color or font. Alternatively, you can put a fully custom view for the placeholder. The end result looks like this:
Since there is no built-in way of doing this, we'll have to resort...
SwiftUI Disable Scroll in ScrollView or List
Reading time: 1 min
This recipe shows how to disable scrolling in a ScrollView or List, while still allowing interactions with its subviews. The end result looks like this:
The trick is to use a DragGesture with minimumDistance of zero, which will then intercept scrolling touches, while still allowing taps an...
Async Binding for SwiftUI
Reading time: 4 min
This recipe shows how to implement an async binding in SwiftUI. Just like a regular Binding, async binding creates a two-way connection between a property that stores data, and a view that displays and changes the data - except that those changes are expressed with async blocks.
This allows...
Combine Async Map
Reading time: 1 min
This quick recipe shows how to implement a Combine map operator that takes an async block. To do this, you need to:
- Use
Taskto run async code in a sync context. - Use the
Futurepublisher to publish the new value theTaskis completed. - Use
flatMapto transfer from your current p...
Reading time: 1 min
This quick recipe shows how to write an extension for a Combine Publisher whose output is of a generic type. Say you have a simple generic enum:
public enum AsyncState {
case idle,
loading,
ready(Value),
failure(Error)
} If you wish to write an extension for a P...
