# PrefetchOptions.Builder

Artifact: [androidx.browser:browser](https://developer.android.com/jetpack/androidx/releases/browser) [View Source](https://cs.android.com/search?q=file:androidx/browser/customtabs/PrefetchOptions.java+class:androidx.browser.customtabs.PrefetchOptions.Builder) Added in [1.9.0](https://developer.android.com/jetpack/androidx/releases/browser#1.9.0)

*** ** * ** ***


```
@ExperimentalPrefetch
public final class PrefetchOptions.Builder
```

<br />

*** ** * ** ***

Builder class for `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions`

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder#Builder()()` Creates an empty `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder` object. |

| ### Public methods |
|---|---|
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions` | `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder#build()()` Combines all the options that have been into a `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions` object. |
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder` | `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder#setRequiresAnonymousIpWhenCrossOrigin(boolean)( boolean requiresAnonymousIpWhenCrossOrigin )` Set true to anonymize IP address of the prefetch request when it is cross-origin. |
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder` | `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder#setSourceOrigin(android.net.Uri)(@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/android/net/Uri.html sourceOrigin)` The origin that prefetch is requested from. |

## Public constructors

### Builder

Added in [1.9.0](https://developer.android.com/jetpack/androidx/releases/browser#1.9.0)

```
public Builder()
```

Creates an empty `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions.Builder` object.

## Public methods

### build

Added in [1.9.0](https://developer.android.com/jetpack/androidx/releases/browser#1.9.0)

```
public @NonNull PrefetchOptions build()
```

Combines all the options that have been into a `https://developer.android.com/reference/androidx/browser/customtabs/PrefetchOptions` object.

### setRequiresAnonymousIpWhenCrossOrigin

Added in [1.9.0](https://developer.android.com/jetpack/androidx/releases/browser#1.9.0)

```
public @NonNull PrefetchOptions.Builder setRequiresAnonymousIpWhenCrossOrigin(
    boolean requiresAnonymousIpWhenCrossOrigin
)
```

Set true to anonymize IP address of the prefetch request when it is cross-origin.

### setSourceOrigin

Added in [1.9.0](https://developer.android.com/jetpack/androidx/releases/browser#1.9.0)

```
public @NonNull PrefetchOptions.Builder setSourceOrigin(@NonNull Uri sourceOrigin)
```

The origin that prefetch is requested from.