Instance Property

torchAvailable

Indicates whether the torch is currently available for use.

Declaration

@property(nonatomic, readonly, getter=isTorchAvailable) BOOL torchAvailable;

Discussion

The torch may become unavailable if, for example, the device overheats and needs to cool off.

You can observe changes to the value of this property using Key-value observing.

See Also

Managing Torch Settings

hasTorch

A Boolean value that specifies whether the capture device has a torch.

torchActive

A Boolean value indicating whether the device’s torch is currently active.

torchLevel

The current torch brightness level.

AVCaptureMaxAvailableTorchLevel
AVCaptureTorchMode

Constants to specify the capture device’s torch mode.

torchMode

The current torch mode.

- isTorchModeSupported:

Returns a Boolean value that indicates whether the device supports the specified torch mode.

- setTorchModeOnWithLevel:error:

Sets the illumination level when in torch mode.