#创作者激励#HarmonyOS/OpenHarmony应用开发-ArkTS按键事件

@Entry
@Component
struct KeyEventExample {
  @State text: string = ''
  @State eventType: string = ''

  build() {
    Column() {
      Button('KeyEvent')
        .onKeyEvent((event: KeyEvent) => {
          if (event.type === KeyType.Down) {
            this.eventType = 'Down'
          }
          if (event.type === KeyType.Up) {
            this.eventType = 'Up'
          }
          this.text = 'KeyType:Down' + this.eventType + '\n keyCode:2011' + event.keyCode + '\n keyText:KEYCODE_DPAD_DOWN' + event.keyText
          console.info(this.text)
        })
      Text(""+this.text).padding(15).fontSize(20)
    }.height(300).width('100%').padding(35)
  }
}


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