# StringSerializer

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

*** ** * ** ***


```
public interface StringSerializer<T>
```

<br />

Known direct subclasses [Document.StringProperty.DefaultSerializer](https://developer.android.com/reference/androidx/appsearch/annotation/Document.StringProperty.DefaultSerializer)

|---|---|
| `https://developer.android.com/reference/androidx/appsearch/annotation/Document.StringProperty.DefaultSerializer` |   |

*** ** * ** ***

Serializes some `https://developer.android.com/reference/androidx/appsearch/app/StringSerializer` to and from a String.

| Parameters |
|---|---|
| `<T>` | The custom type that can be serialized to a String. |

## Summary

| ### Public methods |
|---|---|
| `abstract @https://jspecify.dev/docs/api/org/jspecify/annotations/Nullable.html T` | `https://developer.android.com/reference/androidx/appsearch/app/StringSerializer#deserialize(java.lang.String)(@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/java/lang/String.html string)` Deserializes a `https://developer.android.com/reference/androidx/appsearch/app/StringSerializer` from a String. |
| `abstract @https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/appsearch/app/StringSerializer#serialize(T)(@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html T instance)` Serializes a `https://developer.android.com/reference/androidx/appsearch/app/StringSerializer` to a String. |

## Public methods

### deserialize

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

```
abstract @Nullable T deserialize(@NonNull String string)
```

Deserializes a `https://developer.android.com/reference/androidx/appsearch/app/StringSerializer` from a String. Returns null if deserialization failed.

### serialize

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

```
abstract @NonNull String serialize(@NonNull T instance)
```

Serializes a `https://developer.android.com/reference/androidx/appsearch/app/StringSerializer` to a String.