调用setWindowLayoutFullScreen实现了沉浸式透明状态栏，但未自动撑起状态栏的高度

// xxx.ets 
@Entry 
@Component 
struct SafeAreaExample1 { 
  @State text: string = '' 
  controller: TextInputController = new TextInputController() 
 
  build() { 
    Row() { 
        Column() 
          .height('100%').width('100%') 
          .backgroundImage($r('app.media.bg')).backgroundImageSize(ImageSize.Cover) 
          .expandSafeArea([SafeAreaType.SYSTEM], [SafeAreaEdge.TOP, SafeAreaEdge.BOTTOM]) 
    }.height('100%') 
  } 
}