android-components / mozilla.components.browser.toolbar / BrowserToolbar / Button

# Button

`class Button : ActionButton` (source)

An action button to be added to the toolbar.

### Parameters

`imageDrawable` - The drawable to be shown.

`contentDescription` - The content description to use.

`visible` - Lambda that returns true or false to indicate whether this button should be shown.

`background` - A custom (stateful) background drawable resource to be used.

`padding` - a custom Padding for this Button.

`listener` - Callback that will be invoked whenever the button is pressed

### Constructors

<init> | `Button(imageDrawable: Drawable, contentDescription: String, visible: () -> Boolean = { true }, background: Int = 0, padding: Padding = DEFAULT_PADDING, listener: () -> Unit)` An action button to be added to the toolbar.

### Properties

padding | `val padding: Padding` a custom Padding for this Button.

### Inherited Properties

contentDescription | `val contentDescription: String` The content description to use.
imageDrawable | `val imageDrawable: Drawable?` The drawable to be shown.
visible | `open val visible: () -> Boolean` Lambda that returns true or false to indicate whether this button should be shown.

### Functions

createView | `open fun createView(parent: ViewGroup): View`

### Inherited Functions

bind | `open fun bind(view: View): Unit`

### Inheritors

TwoStateButton | `class TwoStateButton : Button` An action that either shows an active button or an inactive button based on the provided isEnabled lambda.