Global Variable

AVCaptureSessionRuntimeErrorNotification

Posted if an error occurred during a capture session.

Declaration

NSString *const AVCaptureSessionRuntimeErrorNotification;

Discussion

You retrieve the underlying error from the notification’s user info dictionary using the key AVCaptureSessionErrorKey.

See Also

Managing Running State

startRunning

Tells the receiver to start running.

stopRunning

Tells the receiver to stop running.

running

Indicates whether the receiver is running.

interrupted

Indicates whether the receiver has been interrupted.

AVCaptureSessionDidStartRunningNotification

Posted when a capture session starts.

AVCaptureSessionDidStopRunningNotification

Posted when a capture session stops.

AVCaptureSessionWasInterruptedNotification

Posted if a capture session is interrupted.

AVCaptureSessionInterruptionEndedNotification

Posted if an interruption to a capture session finishes.

AVCaptureSessionErrorKey

Key to retrieve the error object from a AVCaptureSessionRuntimeErrorNotification user info dictionary.

AVCaptureSessionInterruptionReasonKey

Key to retrieve information about a capture interruption from a AVCaptureSessionWasInterruptedNotification user info dictionary.

AVCaptureSessionInterruptionSystemPressureStateKey

The key for retrieving information about system pressure factors that caused a capture session interruption.

AVCaptureSessionInterruptionReason

Constants identifying the reason a capture session was interrupted, found in a AVCaptureSessionWasInterruptedNotification user info dictionary.