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

# UnsupportedCallbackException


`
public


class
UnsupportedCallbackException
`


`


`

`


`

`

extends https://developer.android.com/reference/java/lang/Exception


`

`


`

|---|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||||
| ↳ | [java.lang.Throwable](https://developer.android.com/reference/java/lang/Throwable) |||
|   | ↳ | [java.lang.Exception](https://developer.android.com/reference/java/lang/Exception) ||
|   |   | ↳ | javax.security.auth.callback.UnsupportedCallbackException |

<br />

*** ** * ** ***

Signals that a `CallbackHandler` does not
recognize a particular `Callback`.

## Summary

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/javax/security/auth/callback/UnsupportedCallbackException#UnsupportedCallbackException(javax.security.auth.callback.Callback)(https://developer.android.com/reference/javax/security/auth/callback/Callback callback) ` Constructs a `UnsupportedCallbackException` with no detail message. |
| ` https://developer.android.com/reference/javax/security/auth/callback/UnsupportedCallbackException#UnsupportedCallbackException(javax.security.auth.callback.Callback,%20java.lang.String)(https://developer.android.com/reference/javax/security/auth/callback/Callback callback, https://developer.android.com/reference/java/lang/String msg) ` Constructs a UnsupportedCallbackException with the specified detail message. |

| ### Public methods ||
|---|---|
| ` https://developer.android.com/reference/javax/security/auth/callback/Callback` | ` https://developer.android.com/reference/javax/security/auth/callback/UnsupportedCallbackException#getCallback()() ` Get the unrecognized `Callback`. |

| ### Inherited methods |
|---|---|
| From class ` https://developer.android.com/reference/java/lang/Throwable ` |---|---| | ` final void` | ` https://developer.android.com/reference/java/lang/Throwable#addSuppressed(java.lang.Throwable)(https://developer.android.com/reference/java/lang/Throwable exception) ` Appends the specified exception to the exceptions that were suppressed in order to deliver this exception. | | ` https://developer.android.com/reference/java/lang/Throwable` | ` https://developer.android.com/reference/java/lang/Throwable#fillInStackTrace()() ` Fills in the execution stack trace. | | ` https://developer.android.com/reference/java/lang/Throwable` | ` https://developer.android.com/reference/java/lang/Throwable#getCause()() ` Returns the cause of this throwable or `null` if the cause is nonexistent or unknown. | | ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/java/lang/Throwable#getLocalizedMessage()() ` Creates a localized description of this throwable. | | ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/java/lang/Throwable#getMessage()() ` Returns the detail message string of this throwable. | | ` https://developer.android.com/reference/java/lang/StackTraceElement` | ` https://developer.android.com/reference/java/lang/Throwable#getStackTrace()() ` Provides programmatic access to the stack trace information printed by `https://developer.android.com/reference/java/lang/Throwable#printStackTrace()`. | | ` final https://developer.android.com/reference/java/lang/Throwable` | ` https://developer.android.com/reference/java/lang/Throwable#getSuppressed()() ` Returns an array containing all of the exceptions that were suppressed, typically by the `try`-with-resources statement, in order to deliver this exception. | | ` https://developer.android.com/reference/java/lang/Throwable` | ` https://developer.android.com/reference/java/lang/Throwable#initCause(java.lang.Throwable)(https://developer.android.com/reference/java/lang/Throwable cause) ` Initializes the *cause* of this throwable to the specified value. | | ` void` | ` https://developer.android.com/reference/java/lang/Throwable#printStackTrace()() ` Prints this throwable and its backtrace to the standard error stream. | | ` void` | ` https://developer.android.com/reference/java/lang/Throwable#printStackTrace(java.io.PrintWriter)(https://developer.android.com/reference/java/io/PrintWriter s) ` Prints this throwable and its backtrace to the specified print writer. | | ` void` | ` https://developer.android.com/reference/java/lang/Throwable#printStackTrace(java.io.PrintStream)(https://developer.android.com/reference/java/io/PrintStream s) ` Prints this throwable and its backtrace to the specified print stream. | | ` void` | ` https://developer.android.com/reference/java/lang/Throwable#setStackTrace(java.lang.StackTraceElement[])(https://developer.android.com/reference/java/lang/StackTraceElement stackTrace) ` Sets the stack trace elements that will be returned by `https://developer.android.com/reference/java/lang/Throwable#getStackTrace()` and printed by `https://developer.android.com/reference/java/lang/Throwable#printStackTrace()` and related methods. | | ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/java/lang/Throwable#toString()() ` Returns a short description of this throwable. | ||
| From class ` https://developer.android.com/reference/java/lang/Object ` |---|---| | ` https://developer.android.com/reference/java/lang/Object` | ` https://developer.android.com/reference/java/lang/Object#clone()() ` Creates and returns a copy of this object. | | ` boolean` | ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) ` Indicates whether some other object is "equal to" this one. | | ` void` | ` 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 https://developer.android.com/reference/java/lang/Class<?>` | ` https://developer.android.com/reference/java/lang/Object#getClass()() ` Returns the runtime class of this `Object`. | | ` int` | ` https://developer.android.com/reference/java/lang/Object#hashCode()() ` Returns a hash code value for the object. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#notify()() ` Wakes up a single thread that is waiting on this object's monitor. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#notifyAll()() ` Wakes up all threads that are waiting on this object's monitor. | | ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/java/lang/Object#toString()() ` Returns a string representation of the object. | | ` final void` | ` 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` | ` 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` | ` 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

### UnsupportedCallbackException

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

```
public UnsupportedCallbackException (Callback callback)
```

Constructs a `UnsupportedCallbackException`
with no detail message.

<br />

<br />

| Parameters ||
|---|---|
| `callback` | `Callback`: the unrecognized `Callback`. <br /> |

### UnsupportedCallbackException

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

```
public UnsupportedCallbackException (Callback callback, 
                String msg)
```

Constructs a UnsupportedCallbackException with the specified detail
message. A detail message is a String that describes this particular
exception.

<br />

<br />

| Parameters ||
|---|---|
| `callback` | `Callback`: the unrecognized `Callback`. <br /> |
| `msg` | `String`: the detail message. <br /> |

## Public methods

### getCallback

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

```
public Callback getCallback ()
```

Get the unrecognized `Callback`.

<br />

<br />

| Returns ||
|---|---|
| `https://developer.android.com/reference/javax/security/auth/callback/Callback` | the unrecognized `Callback`. <br /> |