AIR程序生成系统托盘

public function createSystemTray():void
{
var loader:Loader=new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, prepareForSystray); //这里就是完成第一步的任务须,这个prepareForSystray就是对托盘的生在和菜单的控制
loader.load(new URLRequest("http://gamespics.com/wp-content/uploads/2011/03/cd.jpg")); //这里先要加载托盘图标的小图片   http://gamespics.com/wp-content/uploads/2011/03/cd.jpg this.addEventListener(Event.CLOSING, closingApplication); //设置关闭体的事件

}
//public function handleMenuClick(event:Event):void
//{
// mx.controls.Alert.show("ok");
//}
//关闭窗体的事件
public function closingApplication(event:Event):void
{
event.preventDefault(); //阻止默认的事件
Alert.yesLabel="关闭";
Alert.noLabel="最小化";
Alert.show("关闭 OR 最小化?", "", 3, this, alertCloseHandler); //弹出自定义的选择框, 关于Alert的详细用法,参考官方文档或我前面的相关文章.
}
//根据用户的选择来判断做什么,这里选择是就是关闭,选择否(Mini)就是最小化到托盘.
private function alertCloseHandler(event:CloseEvent):void
{
if (event.detail == Alert.YES)
{
closeApp(event);
}
else
{
dock(); //最小化到托盘
}
}
//生成托盘
public function prepareForSystray(event:Event):void
{
dockImage=event.target.content.bitmapData;
if (NativeApplication.supportsSystemTrayIcon)
{
setSystemTrayProperties(); //设置托盘菜单的事件
SystemTrayIcon(NativeApplication.nativeApplication.icon).menu=createSystrayRootMenu(); //生成托盘菜单
}
}
public function createSystrayRootMenu():NativeMenu
{
var menu:NativeMenu=new NativeMenu();
var openNativeMenuItem:NativeMenuItem=new NativeMenuItem("打开"); //生成OPEN菜单项
var exitNativeMenuItem:NativeMenuItem=new NativeMenuItem("退出"); //同理
openNativeMenuItem.addEventListener(Event.SELECT, undock);
exitNativeMenuItem.addEventListener(Event.SELECT, closeApp); //添加EXIT菜单项事件
menu.addItem(openNativeMenuItem);
menu.addItem(new NativeMenuItem("", true)); //separator
menu.addItem(exitNativeMenuItem); //将菜单项加入菜单
return menu;
}
//设置托盘图标的事件
private function setSystemTrayProperties():void
{
SystemTrayIcon(NativeApplication.nativeApplication.icon).tooltip="TurboSquid squidword";
SystemTrayIcon(NativeApplication.nativeApplication.icon).addEventListener(MouseEvent.CLICK, undock);
stage.nativeWindow.addEventListener(NativeWindowDisplayStateEvent.DISPLAY_STATE_CHANGING, nwMinimized);
}
//最小化窗体
private function nwMinimized(displayStateEvent:NativeWindowDisplayStateEvent):void
{
if (displayStateEvent.afterDisplayState == NativeWindowDisplayState.MINIMIZED)
{
displayStateEvent.preventDefault(); //阻止系统默认的关闭窗体事件
dock(); //将程序放入托盘
}
}
//将本地应用程序放到托盘
public function dock():void
{
stage.nativeWindow.visible=false; //设置本地程序窗体不可见
NativeApplication.nativeApplication.icon.bitmaps=[dockImage]; //设置托盘的图标
}
//激活程序窗体
public function undock(evt:Event):void
{
stage.nativeWindow.visible=true; //设置本地程序窗体可见
stage.nativeWindow.orderToFront(); //设置本地程序窗体到最前端
NativeApplication.nativeApplication.icon.bitmaps=[]; //将托盘图标清空
}
//关闭程序窗体
private function closeApp(evt:Event):void
{
stage.nativeWindow.close();
}