---
title: "LiveActivityContext, DroppyKit"
description: "Structure"
canonical: "https://getdroppy.app/docs/droppykit/api/live-activity-context"
last-updated: "2026-09-09"
---

# LiveActivityContext

Structure

`struct LiveActivityContext`

## Initializers

### init(surface:availableWidth:)

`init(surface: DropletSurfaceKind, availableWidth: CGFloat)`

Creates a context. Constructed by hosts, read by droplets.

This exact overload remains the legacy ABI entry point and supplies the same settled presentation old hosts implicitly provided.

### init(surface:availableWidth:presentation:)

`init(surface: DropletSurfaceKind, availableWidth: CGFloat, presentation: LiveActivityPresentationState)`

Creates a context with the current host presentation state.

## Properties

### availableWidth

`let availableWidth: CGFloat`

The width the card's content is given, inside the host's insets.

The host has already cleared the camera housing above and the opened shoulders either side, so this is the width you may actually use. The content is [`cardContentHeight`](https://getdroppy.app/docs/droppykit/api/droppy-live-activity-metrics#card-content-height) tall.

### presentation

`let presentation: LiveActivityPresentationState`

Live host presentation facts. Product views use these to freeze local animation or metering while the host is transitioning or concealed.

### surface

`let surface: DropletSurfaceKind`

The surface kind hosting the activity.