DCECameraStateListener

The protocol to handle callback when camera state changes.

• Objective-C
• Swift

1. @protocol DCECameraStateListener <NSObject>
   

2. protocol DCECameraStateListener : NSObjectProtocol
   

stateChangeCallback

The callback method is triggered when camera state changes.

• Objective-C
• Swift

1. - (void)stateChangeCallback:(EnumCameraState)cameraState;
   

2. func stateChangeCallback(_ currentState: EnumCameraState)
   

Parameters

cameraState: The camera state. It includes opened, opening, closed and closing.

Code Snippet

• Objective-C
• Swift

1. @interface ViewController ()<DCECameraStateListener>
   - (void)configurationDCE{
      [_dce setCameraStateListener:self];
   }
   - (void)stateChangeCallback:(EnumCameraState)state{
      // Add your code to do when camera state changes.
   }
   

2. class ViewController: UIViewController,DCECameraStateListener{
      func configurationDCE(){
         dce.setCameraStateListener(self)
      }
      func stateChangeCallback(EnumCameraState currentState){
         // Add your code to do when camera state changes.
      }
   }