---
description: API reference for RtkHeaderView component (Android Library)
title: RtkHeaderView
image: https://developers.cloudflare.com/og-docs.png
---

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# RtkHeaderView

Last updated Aug 25, 2026|Copy as Markdown|[View as Markdown](https://4f1c5cd2.previews.developers.cloudflare.com/realtime/realtimekit/ui-kit/api-reference/android/header-view/index.md)|[Agent setup](https://4f1c5cd2.previews.developers.cloudflare.com/agent-setup/)

A base header view component. Provides background styling and design token support.

## Methods

| Method            | Parameters                    | Description                            |
| ----------------- | ----------------------------- | -------------------------------------- |
| activate          | meeting: RealtimeKitClient    | Bind the header to the meeting state   |
| applyDesignTokens | designTokens: RtkDesignTokens | Apply custom design tokens for theming |

## Usage Examples

### Basic Usage

```xml
<com.cloudflare.realtimekit.ui.view.headers.RtkHeaderView
    android:id="@+id/rtk_header"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />
```

### With Methods

```kotlin
val header = findViewById<RtkHeaderView>(R.id.rtk_header)
header.activate(meeting)
```

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