CameraAccessException
public
class
CameraAccessException
extends AndroidException
java.lang.Object | ||||
↳ | java.lang.Throwable | |||
↳ | java.lang.Exception | |||
↳ | android.util.AndroidException | |||
↳ | android.hardware.camera2.CameraAccessException |
CameraAccessException
is thrown if a camera device could not
be queried or opened by the CameraManager
, or if the connection to an
opened CameraDevice
is no longer valid.
See also:
Summary
Constants | |
---|---|
int |
CAMERA_DISABLED
The camera is disabled due to a device policy, and cannot be opened. |
int |
CAMERA_DISCONNECTED
The camera device is removable and has been disconnected from the Android
device, or the camera id used with |
int |
CAMERA_ERROR
The camera device is currently in the error state. |
int |
CAMERA_IN_USE
The camera device is in use already. |
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. |
Public constructors | |
---|---|
CameraAccessException(int problem)
|
|
CameraAccessException(int problem, String message)
|
|
CameraAccessException(int problem, String message, Throwable cause)
|
|
CameraAccessException(int problem, Throwable cause)
|
Public methods | |
---|---|
final
int
|
getReason()
The reason for the failure to access the camera. |
Inherited methods | |
---|---|
Constants
CAMERA_DISABLED
public static final int CAMERA_DISABLED
The camera is disabled due to a device policy, and cannot be opened.
Constant Value: 1 (0x00000001)
CAMERA_DISCONNECTED
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 CameraManager.openCamera(String, StateCallback, 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is no longer valid, or the camera service has shut down the connection due to a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.
Constant Value: 2 (0x00000002)
CAMERA_ERROR
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
CameraDevice.StateCallback.onError
for the exact
nature of the error.
No further calls to the camera will succeed. Clean up
the camera with CameraDevice.close
and try
handling the error in order to successfully re-open the camera.
Constant Value: 3 (0x00000003)
CAMERA_IN_USE
public static final int CAMERA_IN_USE
The camera device is in use already.
Constant Value: 4 (0x00000004)
MAX_CAMERAS_IN_USE
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.
Constant Value: 5 (0x00000005)
Public constructors
CameraAccessException
public CameraAccessException (int problem)
Parameters | |
---|---|
problem |
int : Value is CAMERA_IN_USE , MAX_CAMERAS_IN_USE , CAMERA_DISABLED , CAMERA_DISCONNECTED , or CAMERA_ERROR |
CameraAccessException
public CameraAccessException (int problem, String message)
Parameters | |
---|---|
problem |
int : Value is CAMERA_IN_USE , MAX_CAMERAS_IN_USE , CAMERA_DISABLED , CAMERA_DISCONNECTED , or CAMERA_ERROR |
message |
String |
CameraAccessException
public CameraAccessException (int problem, String message, Throwable cause)
Parameters | |
---|---|
problem |
int : Value is CAMERA_IN_USE , MAX_CAMERAS_IN_USE , CAMERA_DISABLED , CAMERA_DISCONNECTED , or CAMERA_ERROR |
message |
String |
cause |
Throwable |
CameraAccessException
public CameraAccessException (int problem, Throwable cause)
Parameters | |
---|---|
problem |
int : Value is CAMERA_IN_USE , MAX_CAMERAS_IN_USE , CAMERA_DISABLED , CAMERA_DISCONNECTED , or CAMERA_ERROR |
cause |
Throwable |
Public methods
getReason
public final int getReason ()
The reason for the failure to access the camera.
Returns | |
---|---|
int |
Value is CAMERA_IN_USE , MAX_CAMERAS_IN_USE , CAMERA_DISABLED , CAMERA_DISCONNECTED , or CAMERA_ERROR |