onLoad () {
console.log('onLoad')
systemEvent.on(SystemEventType.KEY_DOWN, this.onKeyDown, this);
}
onKeyDown (event: EventKeyboard) {
console.log(`onKeyDown is ${ event.keyCode }`)
}
发布打包成apk后,安装打开后onLoad打印能看到,按键打印没有,是我哪写错了吗?