---
title: RtkWebinarControlBarView
description: API reference for RtkWebinarControlBarView component (Android Library)
image: https://developers.cloudflare.com/dev-products-preview.png
---

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# RtkWebinarControlBarView

A pre-built control bar for webinar meetings. Contains mic toggle, camera toggle, webinar stage toggle, more toggle, and leave button.

## Methods

| Method                   | Parameters                 | Description                                       |
| ------------------------ | -------------------------- | ------------------------------------------------- |
| activate                 | meeting: RealtimeKitClient | Bind the control bar to the meeting state         |
| deactivate               | \-                         | Unbind the control bar and remove event listeners |
| refreshStageToggleButton | \-                         | Force a refresh of the stage toggle button state  |

## Usage Examples

### Basic Usage

```
<com.cloudflare.realtimekit.ui.view.controlbars.RtkWebinarControlBarView    android:id="@+id/rtk_webinar_control_bar"    android:layout_width="match_parent"    android:layout_height="wrap_content" />
```

### With Methods

Kotlin

```
val controlBar = findViewById<RtkWebinarControlBarView>(R.id.rtk_webinar_control_bar)controlBar.activate(meeting)
```

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