# 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)

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```
@ExperimentalPrefetch
class PrefetchOptions.Builder
```

<br />

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

## Summary

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

| ### Public functions |
|---|---|
| `https://developer.android.com/reference/kotlin/androidx/browser/customtabs/PrefetchOptions` | `https://developer.android.com/reference/kotlin/androidx/browser/customtabs/PrefetchOptions.Builder#build()()` Combines all the options that have been into a `https://developer.android.com/reference/kotlin/androidx/browser/customtabs/PrefetchOptions` object. |
| `https://developer.android.com/reference/kotlin/androidx/browser/customtabs/PrefetchOptions.Builder` | `https://developer.android.com/reference/kotlin/androidx/browser/customtabs/PrefetchOptions.Builder#setRequiresAnonymousIpWhenCrossOrigin(boolean)( requiresAnonymousIpWhenCrossOrigin: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html )` Set true to anonymize IP address of the prefetch request when it is cross-origin. |
| `https://developer.android.com/reference/kotlin/androidx/browser/customtabs/PrefetchOptions.Builder` | `https://developer.android.com/reference/kotlin/androidx/browser/customtabs/PrefetchOptions.Builder#setSourceOrigin(android.net.Uri)(sourceOrigin: https://developer.android.com/reference/android/net/Uri.html)` 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)

```
Builder()
```

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

## Public functions

### build

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

```
fun build(): PrefetchOptions
```

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

### setRequiresAnonymousIpWhenCrossOrigin

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

```
fun setRequiresAnonymousIpWhenCrossOrigin(
    requiresAnonymousIpWhenCrossOrigin: Boolean
): PrefetchOptions.Builder
```

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)

```
fun setSourceOrigin(sourceOrigin: Uri): PrefetchOptions.Builder
```

The origin that prefetch is requested from.