components/BottomNavigation/docs/typography-theming.md

### Typography Theming

You can theme a bottom navigation with your app's typography scheme using the TypographyThemer extension.

You must first add the Typography Themer extension to your project:

```bash
pod 'MaterialComponents/BottomNavigation+TypographyThemer'
```

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#### Swift
```swift
// Step 1: Import the TypographyThemer extension
import MaterialComponents.MaterialBottomNavigation_TypographyThemer

// Step 2: Create or get a typography scheme
let typographyScheme = MDCTypographyScheme()

// Step 3: Apply the typography scheme to your component
MDCBottomNavigationBarTypographyThemer.applyTypographyScheme(typographyScheme, to: component)
```

#### Objective-C

```objc
// Step 1: Import the TypographyThemer extension
#import "MaterialBottomNavigation+TypographyThemer.h"

// Step 2: Create or get a typography scheme
id<MDCTypographyScheming> typographyScheme = [[MDCTypographyScheme alloc] init];

// Step 3: Apply the typography scheme to your component
[MDCBottomNavigationBarTypographyThemer applyTypographyScheme:colorScheme
     toBottomNavigationBar:component];
```
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