# BrowseFragment.FragmentHost

Artifact: [androidx.leanback:leanback](https://developer.android.com/jetpack/androidx/releases/leanback) [View Source](https://cs.android.com/search?q=file:androidx/leanback/app/BrowseFragment.java+class:androidx.leanback.app.BrowseFragment.FragmentHost) Added in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0) Deprecated in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0)

*** ** * ** ***


```
interface BrowseFragment.FragmentHost
```

<br />

*** ** * ** ***

> [!CAUTION]
> **This interface is deprecated.**   
>
> use `https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseSupportFragment`

Possible set of actions that `https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment` exposes to clients. Custom fragments can interact with `https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment` using this interface.

## Summary

| ### Public functions |
|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `[notifyDataReady](https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.FragmentHost#notifyDataReady(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(fragmentAdapter: https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.MainFragmentAdapter!)` **This function is deprecated.** Deprecated in Java |
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `[notifyViewCreated](https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.FragmentHost#notifyViewCreated(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(fragmentAdapter: https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.MainFragmentAdapter!)` **This function is deprecated.** Deprecated in Java |
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `[showTitleView](https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.FragmentHost#showTitleView(boolean))(show: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)` **This function is deprecated.** Deprecated in Java |

## Public functions

### notifyDataReady

Added in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0) Deprecated in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0)

```
fun [notifyDataReady](https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.FragmentHost#notifyDataReady(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(fragmentAdapter: BrowseFragment.MainFragmentAdapter!): Unit
```

> [!CAUTION]
> **This function is deprecated.**   
> Deprecated in Java

Fragments mapped to `https://developer.android.com/reference/kotlin/androidx/leanback/widget/PageRow` are required to invoke this callback once their data is created for transition, the entrance animation only after receiving this callback. Failure to invoke this method will lead to fragment not showing up.

| Parameters |
|---|---|
| `fragmentAdapter: https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.MainFragmentAdapter!` | `https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.MainFragmentAdapter` used by the current fragment. |

### notifyViewCreated

Added in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0) Deprecated in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0)

```
fun [notifyViewCreated](https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.FragmentHost#notifyViewCreated(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(fragmentAdapter: BrowseFragment.MainFragmentAdapter!): Unit
```

> [!CAUTION]
> **This function is deprecated.**   
> Deprecated in Java

Fragments are required to invoke this callback once their view is created inside `https://developer.android.com/reference/android/app/Fragment.html#onViewCreated(android.view.View, android.os.Bundle)` method. `https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment` starts the entrance animation only after receiving this callback. Failure to invoke this method will lead to fragment not showing up.

| Parameters |
|---|---|
| `fragmentAdapter: https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.MainFragmentAdapter!` | `https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.MainFragmentAdapter` used by the current fragment. |

### showTitleView

Added in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0) Deprecated in [1.1.0](https://developer.android.com/jetpack/androidx/releases/leanback#1.1.0)

```
fun [showTitleView](https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment.FragmentHost#showTitleView(boolean))(show: Boolean): Unit
```

> [!CAUTION]
> **This function is deprecated.**   
> Deprecated in Java

Show or hide title view in `https://developer.android.com/reference/kotlin/androidx/leanback/app/BrowseFragment` for fragments mapped to `https://developer.android.com/reference/kotlin/androidx/leanback/widget/PageRow`. Otherwise the request is ignored, in that case BrowseFragment is fully in control of showing/hiding title view.

When HeadersFragment is visible, BrowseFragment will hide search affordance view if there are other focusable rows above currently focused row.

| Parameters |
|---|---|
| `show: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html` | Boolean indicating whether or not to show the title view. |