# Senocular, Flash builder stage integration problems

**URL:** <https://forum.kirupa.com/t/senocular-flash-builder-stage-integration-problems/326507>\
**Category:** flash\
**Created:** [December 19, 2011, 11:21pm UTC](https://forum.kirupa.com/t/senocular-flash-builder-stage-integration-problems/326507 "2011-12-19T23:21:07Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![plutohnik](https://avatars.discourse-cdn.com/v4/letter/p/ecccb3/32.png) [@plutohnik](https://forum.kirupa.com/u/plutohnik)\
**Post date:** [December 19, 2011, 11:21pm UTC](https://forum.kirupa.com/t/senocular-flash-builder-stage-integration-problems/326507/1 "2011-12-19T23:21:07Z")

</div>

Hello, I’m using Senoculars KeyObject Library which can be found here under Actionscript 3.0, com, senocular, util, KeyObject.as - [http://www.senocular.com/flash/actionscript/](http://www.senocular.com/flash/actionscript/) to make life easier with keyboard press functions. However after accessing the KeyObject class I keep getting the error down below. Is there a problem with accessing stage in flash builder? Here’s the part of my code which links to the KeyObject as well as the part causing problems. Please help!! Thanks.

**Error Message:**  
TypeError: Error #1009: Cannot access a property or method of a null object reference.  
at com.senocular.utils::KeyObject/construct()[C:\Users\Alistair\Adobe Flash Builder 4\Senocular\src\com\senocular\utils\KeyObject.as:29]  
at com.senocular.utils::KeyObject()[C:\Users\Alistair\Adobe Flash Builder 4\Senocular\src\com\senocular\utils\KeyObject.as:23]  
at SeikatsuSamurai/init()[C:\Users\Alistair\Adobe Flash Builder 4\SeikatsuSamurai\src\SeikatsuSamurai.as:31]

**Senocular’s KeyObject Class:**  
line 17 dynamic public class KeyObject extends Proxy {

```
    private static var stage:Stage;
    private static var keysDown:Object;
    
    public function KeyObject(stage:Stage) {
        construct(stage);
    }
    
    public function construct(stage:Stage):void {
        KeyObject.stage = stage;
        keysDown = new Object();
        stage.addEventListener(KeyboardEvent.KEY_DOWN, keyPressed);
        stage.addEventListener(KeyboardEvent.KEY_UP, keyReleased);
    }

```

**My Code Which Acesses the KeyObject Class:**  
public class SeikatsuSamurai extends Sprite{

```
    private var SamuraiChar:Samurai;
    private var key:KeyObject;
    private var stageRef:Stage;
    
    public function SeikatsuSamurai(){
        addEventListener(Event.ADDED_TO_STAGE, init);
    }
    
    public function init(e:Event):void{
        key = new KeyObject(stageRef);
        SamuraiChar = new Samurai();
        addChild(SamuraiChar);
        addEventListener(Event.ENTER_FRAME, loop, false, 0, true);
    }
    
    public function loop(e:Event):void{
```