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# AVCaptureIndexPicker

A control for selecting from a set of mutually exclusive values by index.

```
class AVCaptureIndexPicker
```

## Overview

Index pickers are appropriate for controls that provide an indexed container of values.

## Topics

### Creating an index picker

[`init(_:symbolName:numberOfIndexes:)`](/documentation/AVFoundation/AVCaptureIndexPicker/init(_:symbolName:numberOfIndexes:))

Creates a control to pick a value from the specified number of indexes.

[`init(_:symbolName:numberOfIndexes:localizedTitleTransform:)`](/documentation/AVFoundation/AVCaptureIndexPicker/init(_:symbolName:numberOfIndexes:localizedTitleTransform:))

Creates a control to pick a value from the specified number of indices.

[`init(_:symbolName:localizedIndexTitles:)`](/documentation/AVFoundation/AVCaptureIndexPicker/init(_:symbolName:localizedIndexTitles:))

Creates an object to select an index from a set of values.

### Handling interaction

[`setActionQueue(_:action:)`](/documentation/AVFoundation/AVCaptureIndexPicker/setActionQueue(_:action:))

Sets the action to perform on the specified dispatch queue when the control’s value changes.

[`setActionQueue:action:`](/documentation/AVFoundation/AVCaptureIndexPicker/setActionQueue:action:)

Sets the action to perform on the specified dispatch queue when the control’s value changes.

### Accessing the control value

[`selectedIndex`](/documentation/AVFoundation/AVCaptureIndexPicker/selectedIndex)

The currently selected index.

[`numberOfIndexes`](/documentation/AVFoundation/AVCaptureIndexPicker/numberOfIndexes)

The number of index values the control provides.

### Setting an accessibility identifier

[`accessibilityIdentifier`](/documentation/AVFoundation/AVCaptureIndexPicker/accessibilityIdentifier)

A string identifier for this control.

### Inspecting presentation attributes

[`symbolName`](/documentation/AVFoundation/AVCaptureIndexPicker/symbolName)

The name of the SF Symbol that represents this control.

[`localizedTitle`](/documentation/AVFoundation/AVCaptureIndexPicker/localizedTitle)

A localized title that describes the control’s action.

[`localizedIndexTitles`](/documentation/AVFoundation/AVCaptureIndexPicker/localizedIndexTitles)

The titles to present for each index.


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