# ObserverSpec.Builder

Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Also in [T Extensions 3](https://developer.android.com/sdkExtensions)  
Summary: [Ctors](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder#pubctors) \| [Methods](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder#inhmethods)  

# ObserverSpec.Builder

*** ** * ** ***

[Kotlin](https://developer.android.com/reference/kotlin/android/app/appsearch/observer/ObserverSpec.Builder "View this page in Kotlin") \|Java


`
public
static
final

class
ObserverSpec.Builder
`


`

extends `[Object](https://developer.android.com/reference/java/lang/Object)`


`

`


`

|---|-----------------------------------------------------|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.app.appsearch.observer.ObserverSpec.Builder |

<br />

*** ** * ** ***

Builder for [ObserverSpec](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec) instances.

## Summary

|                                                   ### Public constructors                                                   ||
|--------------------------------------------------------------------------------------------------------------------------|---|
| ` `[Builder](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder#Builder())`() ` |

|                                                                                                                                                                                                                                                                               ### Public methods                                                                                                                                                                                                                                                                               ||
|------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` `[ObserverSpec.Builder](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder) | ` `[addFilterSchemas](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder#addFilterSchemas(java.lang.String[]))`(`[String...](https://developer.android.com/reference/java/lang/String)` schemas) ` Restricts an observer using this spec to triggering only for documents of one of the provided schema types.                                                                                                |
| ` `[ObserverSpec.Builder](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder) | ` `[addFilterSchemas](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder#addFilterSchemas(java.util.Collection<java.lang.String>))`(`[Collection](https://developer.android.com/reference/java/util/Collection)`<`[String](https://developer.android.com/reference/java/lang/String)`> schemas) ` Restricts an observer using this spec to triggering only for documents of one of the provided schema types. |
| ` `[ObserverSpec](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec)                 | ` `[build](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder#build())`() ` Constructs a new [ObserverSpec](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec) from the contents of this builder.                                                                                                                                                                           |

| ### Inherited methods |
|-----------------------|---|
| From class ` `[java.lang.Object](https://developer.android.com/reference/java/lang/Object)` ` |--------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[Object](https://developer.android.com/reference/java/lang/Object)          | ` `[clone](https://developer.android.com/reference/java/lang/Object#clone())`() ` Creates and returns a copy of this object.                                                                                                                                                        | | ` boolean`                                                                     | ` `[equals](https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object))`(`[Object](https://developer.android.com/reference/java/lang/Object)` obj) ` Indicates whether some other object is "equal to" this one.                                             | | ` void`                                                                        | ` `[finalize](https://developer.android.com/reference/java/lang/Object#finalize())`() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.                                                            | | ` final `[Class](https://developer.android.com/reference/java/lang/Class)`<?>` | ` `[getClass](https://developer.android.com/reference/java/lang/Object#getClass())`() ` Returns the runtime class of this `Object`.                                                                                                                                                 | | ` int`                                                                         | ` `[hashCode](https://developer.android.com/reference/java/lang/Object#hashCode())`() ` Returns a hash code value for the object.                                                                                                                                                   | | ` final void`                                                                  | ` `[notify](https://developer.android.com/reference/java/lang/Object#notify())`() ` Wakes up a single thread that is waiting on this object's monitor.                                                                                                                              | | ` final void`                                                                  | ` `[notifyAll](https://developer.android.com/reference/java/lang/Object#notifyAll())`() ` Wakes up all threads that are waiting on this object's monitor.                                                                                                                           | | ` `[String](https://developer.android.com/reference/java/lang/String)          | ` `[toString](https://developer.android.com/reference/java/lang/Object#toString())`() ` Returns a string representation of the object.                                                                                                                                              | | ` final void`                                                                  | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long,%20int))`(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void`                                                                  | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long))`(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed.                   | | ` final void`                                                                  | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait())`() ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*.                                                                                             | ||

## Public constructors

### Builder

Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Also in [T Extensions 3](https://developer.android.com/sdkExtensions)  

```
public Builder ()
```

<br />

<br />

## Public methods

### addFilterSchemas

Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Also in [T Extensions 3](https://developer.android.com/sdkExtensions)  

```
public ObserverSpec.Builder addFilterSchemas (String... schemas)
```

Restricts an observer using this spec to triggering only for documents of one of the
provided schema types.

If unset, the observer will match documents of all types.

<br />

|                        Parameters                        ||
|-----------|-----------------------------------------------|
| `schemas` | `String`: This value cannot be `null`. <br /> |

|                                                                         Returns                                                                          ||
|---------------------------------------------------------------------------------------------------------------------|-------------------------------------|
| [ObserverSpec.Builder](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder) | This value cannot be `null`. <br /> |

### addFilterSchemas

Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Also in [T Extensions 3](https://developer.android.com/sdkExtensions)  

```
public ObserverSpec.Builder addFilterSchemas (Collection<String> schemas)
```

Restricts an observer using this spec to triggering only for documents of one of the
provided schema types.

If unset, the observer will match documents of all types.

<br />

|                          Parameters                          ||
|-----------|---------------------------------------------------|
| `schemas` | `Collection`: This value cannot be `null`. <br /> |

|                                                                         Returns                                                                          ||
|---------------------------------------------------------------------------------------------------------------------|-------------------------------------|
| [ObserverSpec.Builder](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec.Builder) | This value cannot be `null`. <br /> |

### build

Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Also in [T Extensions 3](https://developer.android.com/sdkExtensions)  

```
public ObserverSpec build ()
```

Constructs a new [ObserverSpec](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec) from the contents of this builder.

<br />

|                                                                 Returns                                                                  ||
|-----------------------------------------------------------------------------------------------------|-------------------------------------|
| [ObserverSpec](https://developer.android.com/reference/android/app/appsearch/observer/ObserverSpec) | This value cannot be `null`. <br /> |