We can provide simple controls that can perform actions in our apps, including triggering updates to a widget.<\/p>\n\n\n\n
This is part three of a series on widgets. Catch up with parts one<\/a> and two<\/a>. <\/p>\n\n\n\n Widgets may look a lot like SwiftUI but there are limitations on what we can do. For example, we can’t add a button to update some state and expect anything to change. Instead, we need a button that can perform an App Intent, which can update some data and\/or trigger the widget to update.<\/p>\n\n\n\n Let’s make a new widget. The user can pick an emoji in the configuration screen. We’ll repeat that emoji N times in a radial layout. Then we’ll add two buttons to document and increment a count (N). For the sake of simplicity we’ll store the data in UserDefaults. In a real app, widgets may need to updated data from SwiftData, Core Data, etc.<\/p>\n\n\n\n\n