# KeyStore.CallbackHandlerProtection

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

# KeyStore.CallbackHandlerProtection

`
public
static


class
KeyStore.CallbackHandlerProtection
`  
`

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


``


implements

`[KeyStore.ProtectionParameter](https://developer.android.com/reference/java/security/KeyStore.ProtectionParameter)`


`

|---|--------------------------------------------------|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | java.security.KeyStore.CallbackHandlerProtection |

<br />

*** ** * ** ***

A ProtectionParameter encapsulating a CallbackHandler.

## Summary

|                                                                                                                                                                                   ### Public constructors                                                                                                                                                                                    ||
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| ` `[CallbackHandlerProtection](https://developer.android.com/reference/java/security/KeyStore.CallbackHandlerProtection#CallbackHandlerProtection(javax.security.auth.callback.CallbackHandler))`(`[CallbackHandler](https://developer.android.com/reference/javax/security/auth/callback/CallbackHandler)` handler) ` Constructs a new CallbackHandlerProtection from a CallbackHandler. |

|                                                                                                                                  ### Public methods                                                                                                                                  ||
|------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` `[CallbackHandler](https://developer.android.com/reference/javax/security/auth/callback/CallbackHandler) | ` `[getCallbackHandler](https://developer.android.com/reference/java/security/KeyStore.CallbackHandlerProtection#getCallbackHandler())`() ` Returns the CallbackHandler. |

| ### 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

### CallbackHandlerProtection

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

```
public CallbackHandlerProtection (CallbackHandler handler)
```

Constructs a new CallbackHandlerProtection from a CallbackHandler.

<br />

|                        Parameters                        ||
|-----------|-----------------------------------------------|
| `handler` | `CallbackHandler`: the CallbackHandler <br /> |

|                                                       Throws                                                       ||
|------------------------------------------------------------------------------------------------|--------------------|
| [NullPointerException](https://developer.android.com/reference/java/lang/NullPointerException) | if handler is null |

## Public methods

### getCallbackHandler

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

```
public CallbackHandler getCallbackHandler ()
```

Returns the CallbackHandler.

<br />

|                                                               Returns                                                                ||
|---------------------------------------------------------------------------------------------------------|-----------------------------|
| [CallbackHandler](https://developer.android.com/reference/javax/security/auth/callback/CallbackHandler) | the CallbackHandler. <br /> |