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button not work

Community Beginner ,
Dec 24, 2018

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i make this button to return to scene 1 but it get error how can i fix??

stop();

Object(this).myExit.addEventListener(MouseEvent.CLICK, nonon);

function nonon (e:MouseEvent):void{

  gotoAndStop(1,"s1");

  }

the error massage is : 

TypeError: Error #1009: Cannot access a property or method of a null object reference.

  at فذائي_fla::MainTimeline/hitsa7an()

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button not work

Community Beginner ,
Dec 24, 2018

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i make this button to return to scene 1 but it get error how can i fix??

stop();

Object(this).myExit.addEventListener(MouseEvent.CLICK, nonon);

function nonon (e:MouseEvent):void{

  gotoAndStop(1,"s1");

  }

the error massage is : 

TypeError: Error #1009: Cannot access a property or method of a null object reference.

  at فذائي_fla::MainTimeline/hitsa7an()

Views

198

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Dec 24, 2018 0
Community Beginner ,
Dec 24, 2018

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this the all code:

stop();

Object(this).myExit.addEventListener(MouseEvent.CLICK, nonon);

function nonon (e:MouseEvent):void{

  gotoAndStop(1,"s1");

  }

 

 

 

//--------------------------------------

 

juse.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

juse.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

 

 

 

cheesy.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

cheesy.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

 

batter.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

batter.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

 

avocado.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

avocado.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

orang.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

orang.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

apple.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

apple.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

melon.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

melon.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

strobary.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

strobary.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

carrot.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

carrot.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

latos.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

latos.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

spinch.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

spinch.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

tomato.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

tomato.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

purpol.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

purpol.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

brad2.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

brad2.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

ricee.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

ricee.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

uu.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

uu.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

myMilk.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

myMilk.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

myfish.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

myfish.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

meat.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

meat.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

myEgges.addEventListener(MouseEvent.MOUSE_DOWN,startdraging) ;

myEgges.addEventListener(MouseEvent.MOUSE_UP,stopdraging) ;

 

//---------------------------------------------------------- 

function  startdraging(e:MouseEvent):void{

  e.currentTarget.startDrag();

  }

 

  function stopdraging (e:MouseEvent):void{

  e.currentTarget.stopDrag();

  }

  //-------------------------------------Hit sa7an

addEventListener(Event.ENTER_FRAME,hitsa7an);

function hitsa7an (e:Event):void{

  if(avocado.hitTestObject(sa7an)){

  nonoM.gotoAndStop(2);

  }else {  nonoM.gotoAndStop(1);   }

  }

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Dec 24, 2018 0
Adobe Community Professional ,
Dec 25, 2018

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Hi.

This error happens probably because you switch scenes but you don't remove the enterFrame listener first. As you added the listener to the main timeline, when you go back to the "s1" scene, the main timeline is still there so the listener. But the objects being accessed inside of the handler function are no longer available.

A suggestion is to write your handler function like this:

function nonon(e:MouseEvent):void

{

    removeEventListener(Event.ENTER_FRAME, hitsa7an);

    gotoAndStop(1, "s1");

}

I hope this helps.

Regards,

JC

__________________________________________
HTML5, JSFL, and AS3 samples: http://bit.ly/2mJgDoG

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Dec 25, 2018 0