protocol-torchlistener-v1.0.3.md

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CameraTorchListener

The protocol that handles the torch state when the torch state changes.

@protocol CameraTorchListener <NSObject>

Method	Type	Description
didChangeTorchState	required	The method for user to add code when torch state is changed.

didChangeTorchState

The method for user to add code when torch state is changed.

- (void)didChangeTorchState:(TorchState)torchState NS_SWIFT_NAME(didChangeTorchState(torchState:));

Parameters

TorchState: The torch status.

Code Snippet

>- Objective-C >- Swift > >1. ```objc [_dce addTorchListener:self]; // Add protocol requirements - (void)didChangeTorchState:(TorchState) torchState{ // TODO add your code for torch listener } ``` 2. ```swift dce.addTorchListener(self) // Add protocol requirements func didChangeTorchState(torchState: TorchState){ // TODO add your code for torch listener } ```