Flex中如何利用Camera.getCamera()和VideoDisplay#attachCamera()函数在VideoDisplay中显示用户摄像头内容

main.mxml

1. <?xml version="1.0" encoding="utf-8"?>
2. <mx:Applicationxmlns:mx="http://www.adobe.com/2006/mxml"
3. layout="vertical"
4. verticalAlign="middle"
5. backgroundColor="white">
7. <mx:Script>
8. <![CDATA[
9. import mx.controls.Alert;
11. private function videoDisplay_creationComplete():void {
12. var camera:Camera = Camera.getCamera();
13. if (camera) {
14. videoDisplay.attachCamera(camera);
15. } else {
16. Alert.show("You don't seem to have a camera.");
17. }
18. }
19. ]]>
20. </mx:Script>
22. <mx:VideoDisplayid="videoDisplay"
23. creationComplete="videoDisplay_creationComplete();"
24. width="160"
25. height="120"/>
27. <mx:Buttonid="button"
28. label="Reload Camera"
29. click="videoDisplay_creationComplete();"/>
31. </mx:Application>