# 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)

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```
public interface BrowseFragment.FragmentHost
```

<br />

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

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

## Summary

| ### Public methods |
|---|---|
| `abstract void` | `[notifyDataReady](https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.FragmentHost#notifyDataReady(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.MainFragmentAdapter fragmentAdapter)` **This method is deprecated.** Deprecated in Java |
| `abstract void` | `[notifyViewCreated](https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.FragmentHost#notifyViewCreated(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.MainFragmentAdapter fragmentAdapter)` **This method is deprecated.** Deprecated in Java |
| `abstract void` | `[showTitleView](https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.FragmentHost#showTitleView(boolean))(boolean show)` **This method is deprecated.** Deprecated in Java |

## Public methods

### 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)

```
abstract void [notifyDataReady](https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.FragmentHost#notifyDataReady(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(BrowseFragment.MainFragmentAdapter fragmentAdapter)
```

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

Fragments mapped to `https://developer.android.com/reference/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 |
|---|---|
| `https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.MainFragmentAdapter fragmentAdapter` | `https://developer.android.com/reference/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)

```
abstract void [notifyViewCreated](https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.FragmentHost#notifyViewCreated(androidx.leanback.app.BrowseFragment.MainFragmentAdapter))(BrowseFragment.MainFragmentAdapter fragmentAdapter)
```

> [!CAUTION]
> **This method 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/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 |
|---|---|
| `https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.MainFragmentAdapter fragmentAdapter` | `https://developer.android.com/reference/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)

```
abstract void [showTitleView](https://developer.android.com/reference/androidx/leanback/app/BrowseFragment.FragmentHost#showTitleView(boolean))(boolean show)
```

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

Show or hide title view in `https://developer.android.com/reference/androidx/leanback/app/BrowseFragment` for fragments mapped to `https://developer.android.com/reference/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 |
|---|---|
| `boolean show` | Boolean indicating whether or not to show the title view. |