---
title: SRDeviceUsageReport.ApplicationUsage
framework: sensorkit
role: symbol
role_heading: Class
path: sensorkit/srdeviceusagereport/applicationusage
---

# SRDeviceUsageReport.ApplicationUsage

An object that describes the user’s app activity over a period of time.

## Declaration

```swift
class ApplicationUsage
```

## Overview

Overview Each instance of this class represents an app in a particular app category. For more information, see applicationUsageByCategory.

## Topics

### Identifying the App

- [bundleIdentifier](sensorkit/srdeviceusagereport/applicationusage/bundleidentifier.md)
- [reportApplicationIdentifier](sensorkit/srdeviceusagereport/applicationusage/reportapplicationidentifier.md)
- [supplementalCategories](sensorkit/srdeviceusagereport/applicationusage/supplementalcategories.md)
- [SRSupplementalCategory](sensorkit/srsupplementalcategory.md)

### Timing App Use

- [usageTime](sensorkit/srdeviceusagereport/applicationusage/usagetime.md)
- [relativeStartTime](sensorkit/srdeviceusagereport/applicationusage/relativestarttime.md)

### Inspecting Text Input

- [textInputSessions](sensorkit/srdeviceusagereport/applicationusage/textinputsessions.md)
- [SRTextInputSession](sensorkit/srtextinputsession.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Analyzing App Use

- [applicationUsageByCategory](sensorkit/srdeviceusagereport/applicationusagebycategory.md)
- [SRDeviceUsageReport.CategoryKey](sensorkit/srdeviceusagereport/categorykey.md)