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# UIFeedbackGenerator

The abstract superclass for all feedback generators.

```
@MainActor class UIFeedbackGenerator
```

## Overview

Don’t subclass or create instances of this class yourself. Instead, instantiate one of the concrete feedback generator subclasses:

- [`UIImpactFeedbackGenerator`](/documentation/UIKit/UIImpactFeedbackGenerator). Use impact feedback to indicate when an impact occurs. For example, you might trigger impact feedback when a user interface object collides with something or snaps into place.
- [`UISelectionFeedbackGenerator`](/documentation/UIKit/UISelectionFeedbackGenerator). Use selection feedback to indicate a change in selection.
- [`UINotificationFeedbackGenerator`](/documentation/UIKit/UINotificationFeedbackGenerator). Use notification feedback to indicate successes, failures, and warnings.
- [`UICanvasFeedbackGenerator`](/documentation/UIKit/UICanvasFeedbackGenerator). Use canvas feedback to indicate when a drawing event occurs, such as an object snapping to a guide or ruler.

For more information, read <doc://com.apple.documentation/documentation/ApplePencil/playing-haptic-feedback-in-your-app>.

## Topics

### Initializing a feedback generator

[`init(view:)`](/documentation/UIKit/UIFeedbackGenerator/init(view:))

Creates a feedback generator and attaches it to the specified view.

### Preparing to generate feedback

[`prepare()`](/documentation/UIKit/UIFeedbackGenerator/prepare())

Prepares the generator to trigger feedback.

### Deprecated

[`init()`](/documentation/UIKit/UIFeedbackGenerator/init())

Creates a feedback generator.


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