从文档:
http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/media/CameraUI.html#includeExamplesSummary
编辑
[我的移动应用程序的相机代码]
package com.shaunhusain.fingerPainting.tools 
{
    import flash.display.Loader;
    import flash.display.Stage;
    import flash.events.ErrorEvent;
    import flash.events.Event;
    import flash.events.IOErrorEvent;
    import flash.events.MediaEvent;
    import flash.events.TouchEvent;
    import flash.media.CameraUI;
    import flash.media.MediaPromise;
    import flash.media.MediaType;
    public class CameraTool extends ToolBase implements ITool
    {
        //--------------------------------------------------------------------------------
        //              Variables
        //--------------------------------------------------------------------------------
        private var deviceCameraApp:CameraUI = new CameraUI();
        private var imageLoader:Loader; 
        //--------------------------------------------------------------------------------
        //              Constructor
        //--------------------------------------------------------------------------------
        public function CameraTool(stage:Stage) {
            super(stage);
            if( CameraUI.isSupported )
            {
                trace( "Initializing camera..." );
                deviceCameraApp.addEventListener( MediaEvent.COMPLETE, imageCaptured );
                deviceCameraApp.addEventListener( Event.CANCEL, captureCanceled );
                deviceCameraApp.addEventListener( ErrorEvent.ERROR, cameraError );
            }
            else
            {
                trace( "Camera interface is not supported.");
            }
        }
        //--------------------------------------------------------------------------------
        //              Handlers
        //--------------------------------------------------------------------------------
        public function takeAction(event:TouchEvent=null):void
        {
            model.disableNextAutosave = true;
            deviceCameraApp.launch( MediaType.IMAGE );
        }
        //--------------------------------------------------------------------------------
        //              Camera UI functions
        //--------------------------------------------------------------------------------
        private function imageCaptured( event:MediaEvent ):void
        {
            trace( "Media captured..." );
            var imagePromise:MediaPromise = event.data;
            if( imagePromise.isAsync )
            {
                trace( "Asynchronous media promise." );
                imageLoader = new Loader();
                imageLoader.contentLoaderInfo.addEventListener( Event.COMPLETE, asyncImageLoaded );
                imageLoader.addEventListener( IOErrorEvent.IO_ERROR, cameraError );
                imageLoader.loadFilePromise( imagePromise );
            }
            else
            {
                trace( "Synchronous media promise." );
                imageLoader.loadFilePromise( imagePromise );
                showMedia( imageLoader );
            }
        }
        private function captureCanceled( event:Event ):void
        {
            trace( "Media capture canceled." );
        }
        private function asyncImageLoaded( event:Event ):void
        {
            trace( "Media loaded in memory." );
            showMedia( imageLoader );    
        }
        private function showMedia( loader:Loader ):void
        {
            loader.scaleX=-1;
            layerM.addLayer( loader );
        }
        private function cameraError( error:ErrorEvent ):void
        {
            trace( "Error:" + error.text );
        }
        public function toString():String
        {
            return "Loading CameraUI";
        }
    }
}
这是我项目中的一个示例:
 https ://github.com/wafflejock/FingerPainting/blob/master/FlashBuilderProject/FingerPainting/src/com/shaunhusain/fingerPainting/tools/CameraTool.as
演示/无耻自我宣传:
https://play.google.com/store/apps/details?id=air.com.chitowngames.DigitalDoodler
您可以更改有关加载程序的 showMedia 函数中发生的情况。因此,如果您想访问 BitmapData,只需执行以下操作:
(loader.content as Bitmap).bitmapData