# Annotation

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Summary:[Inherited Constants](https://developer.android.com/reference/android/text/Annotation#inhconstants)\|[Ctors](https://developer.android.com/reference/android/text/Annotation#pubctors)\|[Methods](https://developer.android.com/reference/android/text/Annotation#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/text/Annotation#inhmethods)  

# Annotation

*** ** * ** ***

[Kotlin](https://developer.android.com/reference/kotlin/android/text/Annotation "View this page in Kotlin")\|Java

`
public


class
Annotation
`  
`

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


``


implements

`[ParcelableSpan](https://developer.android.com/reference/android/text/ParcelableSpan)`


`

|---|-------------------------|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.text.Annotation |

<br />

*** ** * ** ***

Annotations are simple key-value pairs that are preserved across TextView save/restore cycles and can be used to keep application-specific data that needs to be maintained for regions of text.

## Summary

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ### Inherited constants                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| From interface[android.os.Parcelable](https://developer.android.com/reference/android/os/Parcelable) |-------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `int` | [CONTENTS_FILE_DESCRIPTOR](https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR) Descriptor bit used with[describeContents()](https://developer.android.com/reference/android/os/Parcelable#describeContents()): indicates that the Parcelable object's flattened representation includes a file descriptor.                                                                                                                                            | | `int` | [PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE) Flag for use with[writeToParcel(Parcel, int)](https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)): the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`". | |

|                                                                                                                                    ### Public constructors                                                                                                                                    ||
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| ` `[Annotation](https://developer.android.com/reference/android/text/Annotation#Annotation(android.os.Parcel))`(`[Parcel](https://developer.android.com/reference/android/os/Parcel)` src) `                                                                                               |
| ` `[Annotation](https://developer.android.com/reference/android/text/Annotation#Annotation(java.lang.String,%20java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` key, `[String](https://developer.android.com/reference/java/lang/String)` value) ` |

|                                                                                                                                                        ### Public methods                                                                                                                                                        ||
|-----------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` int`                                                                | ` `[describeContents](https://developer.android.com/reference/android/text/Annotation#describeContents())`() ` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.                                    |
| ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[getKey](https://developer.android.com/reference/android/text/Annotation#getKey())`() `                                                                                                                                                                |
| ` int`                                                                | ` `[getSpanTypeId](https://developer.android.com/reference/android/text/Annotation#getSpanTypeId())`() ` Return a special type identifier for this span class.                                                                                            |
| ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[getValue](https://developer.android.com/reference/android/text/Annotation#getValue())`() `                                                                                                                                                            |
| ` void`                                                               | ` `[writeToParcel](https://developer.android.com/reference/android/text/Annotation#writeToParcel(android.os.Parcel,%20int))`(`[Parcel](https://developer.android.com/reference/android/os/Parcel)` dest, int flags) ` Flatten this object in to a Parcel. |

| ### 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*.                                                                                             | ||
| From interface` `[android.text.ParcelableSpan](https://developer.android.com/reference/android/text/ParcelableSpan)` ` |-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` abstract int` | ` `[getSpanTypeId](https://developer.android.com/reference/android/text/ParcelableSpan#getSpanTypeId())`() ` Return a special type identifier for this span class. | ||
| From interface` `[android.os.Parcelable](https://developer.android.com/reference/android/os/Parcelable)` ` |------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` abstract int`  | ` `[describeContents](https://developer.android.com/reference/android/os/Parcelable#describeContents())`() ` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.                                    | | ` abstract void` | ` `[writeToParcel](https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int))`(`[Parcel](https://developer.android.com/reference/android/os/Parcel)` dest, int flags) ` Flatten this object in to a Parcel. | ||

## Public constructors

### Annotation

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

```
public Annotation (Parcel src)
```

<br />

<br />

|       Parameters       ||
|-------|-----------------|
| `src` | `Parcel` <br /> |

### Annotation

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

```
public Annotation (String key, 
                String value)
```

<br />

<br />

|        Parameters        ||
|---------|-----------------|
| `key`   | `String` <br /> |
| `value` | `String` <br /> |

## Public methods

### describeContents

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

```
public int describeContents ()
```

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of[writeToParcel(android.os.Parcel, int)](https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)), the return value of this method must include the[CONTENTS_FILE_DESCRIPTOR](https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR)bit.

<br />

|                                                                                                                         Returns                                                                                                                         ||
|-------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either`0`or[CONTENTS_FILE_DESCRIPTOR](https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR) <br /> |

### getKey

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

```
public String getKey ()
```

<br />

<br />

|                                  Returns                                   ||
|--------------------------------------------------------------------|--------|
| [String](https://developer.android.com/reference/java/lang/String) | <br /> |

### getSpanTypeId

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

```
public int getSpanTypeId ()
```

Return a special type identifier for this span class.

<br />

|    Returns    ||
|-------|--------|
| `int` | <br /> |

### getValue

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

```
public String getValue ()
```

<br />

<br />

|                                  Returns                                   ||
|--------------------------------------------------------------------|--------|
| [String](https://developer.android.com/reference/java/lang/String) | <br /> |

### writeToParcel

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

```
public void writeToParcel (Parcel dest, 
                int flags)
```

Flatten this object in to a Parcel.

<br />

|                                                                                                                                                                                                                               Parameters                                                                                                                                                                                                                                ||
|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `dest`  | `Parcel`: The Parcel in which the object should be written. This value cannot be`null`. <br />                                                                                                                                                                                                                                                                                                                                                                 |
| `flags` | `int`: Additional flags about how the object should be written. May be 0 or[Parcelable.PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE). Value is either`0`or a combination of[Parcelable.PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE), and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES <br /> |