Instance Property


Indicates whether the torch is currently available for use.


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


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


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


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


The current torch brightness level.


Constants to specify the capture device’s torch mode.


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.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software