uts开发插件中，要实现一个export class CameraView extends UIView {}的自定义界面，编译报错

export class CameraView extends UIView {
constructor(){
super()
}
}

调用方法
let previewView = new CameraView()

编译报错：

index.swift:434:1: error: 'required' initializer 'init(coder:)' must be provided by subclass of 'UIView'