Adobe KeyboardEvent错误

Question

下面的代码抛出错误1046: Type未找到或不是编译时常量: KeyboardEvent.

有人知道为什么吗？

import flash.desktop.NativeApplication;
import flash.desktop.SystemIdleMode;
import flash.system.Capabilities;
import flash.system.System;

if (Capabilities.cpuArchitecture == "ARM")
{
NativeApplication.nativeApplication.addEventListener(KeyboardEvent.KEY_DOWN, handleKeys, false, 0, true);
}



function handleKeys(event:KeyboardEvent):void
{
    if (event.keyCode == Keyboard.BACK)
    {
        NativeApplication.nativeApplication.exit();
    }
}

Answer 1

您需要导入KeyboardEvent类。

这是否有效(请注意我添加的附加导入语句)：

import flash.desktop.NativeApplication;
import flash.desktop.SystemIdleMode;
import flash.system.Capabilities;
import flash.system.System;
import flash.events.KeyboardEvent;
import flash.ui.Keyboard;

if (Capabilities.cpuArchitecture == "ARM")
{
NativeApplication.nativeApplication.addEventListener(KeyboardEvent.KEY_DOWN, handleKeys, false, 0, true);
}



function handleKeys(event:KeyboardEvent):void
{
    if (event.keyCode == Keyboard.BACK)
    {
        NativeApplication.nativeApplication.exit();
    }
}