Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Constants](https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#constants) \| [Ctors](https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#pubctors) \| [Methods](https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#inhmethods)

# CameraAccessException

*** ** * ** ***


`
public


class
CameraAccessException
`


`


`

`


`

`


`

`

extends https://developer.android.com/reference/android/util/AndroidException


`

`


`

|---|---|---|---|---|
| [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) |||
|   |   | ↳ | [android.util.AndroidException](https://developer.android.com/reference/android/util/AndroidException) ||
|   |   |   | ↳ | android.hardware.camera2.CameraAccessException |

<br />

*** ** * ** ***

<br />

`CameraAccessException` is thrown if a camera device could not
be queried or opened by the `https://developer.android.com/reference/android/hardware/camera2/CameraManager`, or if the connection to an
opened `https://developer.android.com/reference/android/hardware/camera2/CameraDevice` is no longer valid.

<br />

**See also:**

- `https://developer.android.com/reference/android/hardware/camera2/CameraManager`
- `https://developer.android.com/reference/android/hardware/camera2/CameraDevice`

## Summary

| ### Constants ||
|---|---|
| `int` | `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISABLED` The camera is disabled due to a device policy, and cannot be opened. |
| `int` | `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISCONNECTED` The camera device is removable and has been disconnected from the Android device, or the camera id used with `https://developer.android.com/reference/android/hardware/camera2/CameraManager#openCamera(java.lang.String,%20android.hardware.camera2.CameraDevice.StateCallback,%20android.os.Handler)` is no longer valid, or the camera service has shut down the connection due to a higher-priority access request for the camera device. |
| `int` | `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_ERROR` The camera device is currently in the error state. |
| `int` | `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_IN_USE` The camera device is in use already. |
| `int` | `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#MAX_CAMERAS_IN_USE` The system-wide limit for number of open cameras or camera resources has been reached, and more camera devices cannot be opened or torch mode cannot be turned on until previous instances are closed. |

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CameraAccessException(int)(int problem) ` |
| ` https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CameraAccessException(int,%20java.lang.String)(int problem, https://developer.android.com/reference/java/lang/String message) ` |
| ` https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CameraAccessException(int,%20java.lang.String,%20java.lang.Throwable)(int problem, https://developer.android.com/reference/java/lang/String message, https://developer.android.com/reference/java/lang/Throwable cause) ` |
| ` https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CameraAccessException(int,%20java.lang.Throwable)(int problem, https://developer.android.com/reference/java/lang/Throwable cause) ` |

| ### Public methods ||
|---|---|
| ` final int` | ` https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#getReason()() ` The reason for the failure to access the camera. |

| ### 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*. | ||

## Constants

### CAMERA_DISABLED

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int CAMERA_DISABLED
```

The camera is disabled due to a device policy, and cannot be opened.

<br />

**See also:**

- `https://developer.android.com/reference/android/app/admin/DevicePolicyManager#setCameraDisabled(android.content.ComponentName,%20boolean)`

Constant Value:

1
(0x00000001)


### CAMERA_DISCONNECTED

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int CAMERA_DISCONNECTED
```

The camera device is removable and has been disconnected from the Android
device, or the camera id used with `https://developer.android.com/reference/android/hardware/camera2/CameraManager#openCamera(java.lang.String,%20android.hardware.camera2.CameraDevice.StateCallback,%20android.os.Handler)`
is no longer valid, or the camera service has shut down the connection due to a
higher-priority access request for the camera device.

<br />

Constant Value:

2
(0x00000002)


### CAMERA_ERROR

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int CAMERA_ERROR
```

The camera device is currently in the error state.

The camera has failed to open or has failed at a later time
as a result of some non-user interaction. Refer to
`https://developer.android.com/reference/android/hardware/camera2/CameraDevice.StateCallback#onError(android.hardware.camera2.CameraDevice,%20int)` for the exact
nature of the error.

No further calls to the camera will succeed. Clean up
the camera with `https://developer.android.com/reference/android/hardware/camera2/CameraDevice#close()` and try
handling the error in order to successfully re-open the camera.

<br />

<br />

Constant Value:

3
(0x00000003)


### CAMERA_IN_USE

Added in [API level 23](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int CAMERA_IN_USE
```

The camera device is in use already.

<br />

Constant Value:

4
(0x00000004)


### MAX_CAMERAS_IN_USE

Added in [API level 23](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int MAX_CAMERAS_IN_USE
```

The system-wide limit for number of open cameras or camera resources has
been reached, and more camera devices cannot be opened or torch mode
cannot be turned on until previous instances are closed.

<br />

Constant Value:

5
(0x00000005)


## Public constructors

### CameraAccessException

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public CameraAccessException (int problem)
```

<br />

<br />

| Parameters ||
|---|---|
| `problem` | `int`: Value is one of the following: - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#MAX_CAMERAS_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISABLED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISCONNECTED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_ERROR` |

### CameraAccessException

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public CameraAccessException (int problem, 
                String message)
```

<br />

<br />

| Parameters ||
|---|---|
| `problem` | `int`: Value is one of the following: - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#MAX_CAMERAS_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISABLED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISCONNECTED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_ERROR` |
| `message` | `String` <br /> |

### CameraAccessException

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public CameraAccessException (int problem, 
                String message, 
                Throwable cause)
```

<br />

<br />

| Parameters ||
|---|---|
| `problem` | `int`: Value is one of the following: - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#MAX_CAMERAS_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISABLED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISCONNECTED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_ERROR` |
| `message` | `String` <br /> |
| `cause` | `Throwable` <br /> |

### CameraAccessException

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public CameraAccessException (int problem, 
                Throwable cause)
```

<br />

<br />

| Parameters ||
|---|---|
| `problem` | `int`: Value is one of the following: - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#MAX_CAMERAS_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISABLED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISCONNECTED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_ERROR` |
| `cause` | `Throwable` <br /> |

## Public methods

### getReason

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public final int getReason ()
```

The reason for the failure to access the camera.

<br />

| Returns ||
|---|---|
| `int` | Value is one of the following: - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#MAX_CAMERAS_IN_USE` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISABLED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISCONNECTED` - `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_ERROR` |

**See also:**

- `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISABLED`
- `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_DISCONNECTED`
- `https://developer.android.com/reference/android/hardware/camera2/CameraAccessException#CAMERA_ERROR`