Cannot access instance method
I want to get a Vector obj result (inside my JSP page) by accessing an instance method of a class I've put in a package and I keep getting a java.lang.NullPointerException.
The skeleton of the class in the package is:
MyClass.java
package myPackage;
import java.util.*;
public class myClass {
String string_A;
String string_B;
public myClass(String s_A, String s_B) {
string_A = s_A;
string_B = s_B;
public Vector getVector() {
Vector myVector = new Vector();
myVector.add(string_A);
myVector.add(string_B);
return myVector;
... and the JSP that goes the wrong way is:
Page.jsp
<%@ page contentType="text/html;charset=WINDOWS-1253"%>
<%-- The following String comes from HTTP POST--%>
<% String request_A = request.getParameter("foo"); %>
<% String request_B = request.getParameter("bar"); %>
<html><body><p>
<% try {
myPackage.myClass myClassObj =
new myPackage.myClass(request_A, request_B);
try {
Vector v = myClassObj.getVector();
} catch (Exception e) {
out.println("Cannot access Obj Method: " + e); (*)
} catch (Exception e) {
out.println("Cannot Initialize Obj: " + e);
%>
</p></body></html>
When I run the above JSP page I get:
"Cannot access obj method : java.lang.NullPointerException" (*)
Why can't I access this method?!?
it doesn't matter whether they are in same package or different packages as long as we can resolve the scope properly . Here I assum e that Prog1.java is top level container which is holding the instacnes of prog2 and prog3 . now some action of prog2 should invoke some method on prog3 . Here prog2 doesn't know the existence of prog3 as two are independent and only thing thats linking both of them is Prog1.So its staright forward that any such communication should happen through Prog1. While instantiating Porg2 set the reference of Prog1 in prog2 . soemthing like Prog2 p2 = new Prog2(); p.setTop(this);
Ofcourse this involves code change in Porg2 . then from the listenere you can simply call method m3 in prog3 like p2.getTop().p3.m3(); hope this helps..
Similar Messages
-
Access instance method of a class inside instance method of another class
Hi Friends
I have to use one c1->m1.
c1 is a public instantiation and m1 is a public Instance Method.
I called this m1 method by creating c1 object for class c1.
But problem is inise M1 method,i have a statement
CALL METHOD mo_central_person->if_hrbas_pd_object~read_infty.
here mo_central_person is of type some other class c2.
As without creating the object,i didn't use the above interface method.
Can please suggst me how to handle this.
Regards,
Sreeclass a definition.
public section.
methods : display,
disp.
data : a(10) type c value '10',
b(5) type c value 'abc'.
endclass.
class a implementation.
method display.
write : a.
endmethod.
method disp.
write : b.
endmethod.
endclass.
class b definition inheriting from a.
public section.
methods : display1.
data : c(7) type c value '7'.
endclass.
class b implementation.
method display1.
call method display( ).
write c.
endmethod.
endclass.
start-of-selection.
data : o_obj type ref to b.
create object o_obj.
call method o_obj->display1.
the method display is in class a.
we can call this method in class b using the following statement.
method display1.
call method display( ).
write c.
endmethod. -
This static method cannot hide the instance method from...
What means the error message "This static method cannot hide the instance method from Referee"?
Referee.java is a interface. I implemented it in the class RefereeMyName.java and made a method in that class to be static. Thats why I received that error message.
But can't I use static methods when I have implemented a interface in that class? I want to have a Player.java class which I want to access RefereeMyName.getTarget(). I cannot use a instance instead because I wouldn't receive a valid return value then (RefereeMyName is the client class).
What is the solution?Hi,
Well i do not think that you can do that b'cos that way you are not giving the same signature for the method as that exists in the interface. I do not know how other way it can be done but if something urgent for you then you can remove that method from that interface and only define in the class.
Regards,
Shishank -
Error #1009: Cannot access a property or method
Here's the context of the problem, in which I will try to include as much information as possible while keeping the explanation brief.
I am trying to make a portfolio website (architectural design + concept art). Flash / programing are not my focus and this is my first go at learning the software. Due to the nature of the content and my (lack) of ability in AS3, I want the the coding to be really simple and still let the site look good. The way the site is currently structured:
1) Basic menu buttons that navigate to sections of the site (brings up a new page).
2) Example, clicking on <Graphics> takes you to a new page and a sub-menu animates in (simple motion tween for the buttons to cascade down). This animation is a movie clip placed on the main timeline.
3) On the screen is also a slideshow for all the images within <Graphics>. Instead of multiple small slideshows, I combined them all into one, so as to avoid complications with add / remove from stage. There are prev / next buttons that keep images within their sub section (ie 1->2->3->1). The sub-menu buttons are suppose to link to the start of each sub section, much like chapters on a DVD. (The slideshow is a movieclip sub-nested in the menu movieclip).
Main menu buttons work.
Sub-menu animation works.
Slideshow works.
Can't get the sub-menu buttons to access the slideshow chapters.
I have created and solved about half a dozen errors, and each time I fix something, it just causes another point to break. I've gone around in circles for days, and not sure which was is up anymore. So, while the slideshow works independently of the rest of the content, and I think I have the parent referencing correct, the problem I am currently facing is thus:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at 03graphics_fla::MainTimeline/frame1()
I've browsed some other threads, and I think I know what the problem is. Since the sub-menu is animated, the buttons do not appear on frame 1 of the nested timeline, while the actionscript is on frame 1 of the main timeline - thus the code doesn't exist yet when I click the button.
Is this indeed the problem? If so, how do I go about fixing it?
Additionally, does the structure makes sense on how my site is organized? Is there an easier / cleaner way to code it?
(This thing is completely ghetto-rigged, I just need it to function - it's like my own little Millenium Falcon...)
Cheers,
AndyTry following this posting, which is just a posting or two away from your own in the forum...
http://forums.adobe.com/thread/748542?tstart=0 -
Hi,
I have flexunit project which I am trying to run on linux server.
1. I have Tests project.
2. I am trying to compile it on linux server and creating Tests.swf file and then executing Tests.swf using ant on 64 bit linux server using standalone flash debug player.
3. Tests project contains 4 tests and first tests always fail with following error,
test:
[flexunit] Validating task attributes ...
[flexunit] Generating default values ...
[flexunit] Using default working dir [/mnt/build/VinitFlexUnitBranch/workspace/src/Tests]
[flexunit] Using the following settings for the test run:
[flexunit] FLEX_HOME: [/var/lib/flex4.1sdk]
[flexunit] haltonfailure: [true]
[flexunit] headless: [false]
[flexunit] display: [99]
[flexunit] localTrusted: [true]
[flexunit] player: [flash]
[flexunit] port: [1024]
[flexunit] swf: [/mnt/build/VinitFlexUnitBranch/workspace/bin/Tests.swf]
[flexunit] timeout: [60000ms]
[flexunit] toDir: [/mnt/build/VinitFlexUnitBranch/workspace/src/Tests/report]
[flexunit] Setting up server process ...
[flexunit] Entry [/mnt/build/VinitFlexUnitBranch/workspace/bin] already available in local trust file at [/home/deploy/.macromedia/Flash_Player/#Security/FlashPlayerTrust/flexUnit.cfg].
[flexunit] Executing 'gflashplayer' with arguments:
[flexunit] '/mnt/build/VinitFlexUnitBranch/workspace/bin/Tests.swf'
[flexunit]
[flexunit] The ' characters around the executable and arguments are
[flexunit] not part of the command.
[flexunit]
[flexunit] Starting server ...
[flexunit] Opening server socket on port [1024].
[flexunit] Waiting for client connection ...
[flexunit] Client connected.
[flexunit] Setting inbound buffer size to [262144] bytes.
[flexunit] Receiving data ...
[flexunit] Sending acknowledgement to player to start sending test data ...
[flexunit]
[flexunit] FlexUnit test pause in suite Tests.Classes.DummyASyncTest had errors.
[flexunit]
[flexunit] Stopping server ...
[flexunit] End of test data reached, sending acknowledgement to player ...
[flexunit] Closing client connection ...
[flexunit] Closing server on port [1024] ...
[flexunit] <testcase classname="Tests.Classes::DummyASyncTest" name="pause" time="8" status="error"><error message="Error #1009: Cannot access a property or method of a null object reference." type="Tests.Classes::DummyASyncTest.pause" ><![CDATA[TypeError: Error #1009: Cannot access a property or method of a null object reference.
[flexunit] at org.fluint.uiImpersonation.flex::FlexEnvironmentBuilder/buildVisualTestEnvironment()
[flexunit] at org.fluint.uiImpersonation::VisualTestEnvironmentBuilder/buildVisualTestEnvironment()
[flexunit] at org.flexunit.internals.runners.watcher::FrameWatcher/getStage()
[flexunit] at org.flexunit.internals.runners.watcher::FrameWatcher()
[flexunit] at org.flexunit.internals.runners.statements::StackAndFrameManagement()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/withStackManagement()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/withDecoration()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/methodBlock()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/runChild()
[flexunit] at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()
[flexunit] at org.flexunit.runners::ParentRunner/run()
[flexunit] at org.flexunit.runners::Suite/runChild()
[flexunit] at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()
[flexunit] at org.flexunit.runners::ParentRunner/run()
[flexunit] at org.flexunit.runners::Suite/runChild()
[flexunit] at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()
[flexunit] at org.flexunit.runners::ParentRunner/run()
[flexunit] at org.flexunit.runner::FlexUnitCore/beginRunnerExecution()
[flexunit] at org.flexunit.runner::FlexUnitCore/verifyRunnerCanBegin()
[flexunit] at org.flexunit.token::AsyncCoreStartupToken/sendReady()
[flexunit] at org.flexunit.runner.notification.async::AsyncListenerWatcher/sendReadyNotification()
[flexunit] at org.flexunit.runner.notification.async::AsyncListenerWatcher/handleListenerReady()
[flexunit] at flash.events::EventDispatcher/dispatchEventFunction()
[flexunit] at flash.events::EventDispatcher/dispatchEvent()
[flexunit] at org.flexunit.listeners::CIListener/setStatusReady()
[flexunit] at org.flexunit.listeners::CIListener/dataHandler()
[flexunit] at flash.events::EventDispatcher/dispatchEventFunction()
[flexunit] at flash.events::EventDispatcher/dispatchEvent()
[flexunit] at flash.net::XMLSocket/scanAndSendEvent()]]></error></testcase>
[flexunit] <endOfTestRun/>
[flexunit] Analyzing reports ...
[flexunit]
[flexunit] Suite: Tests.Classes.DummyASyncTest
[flexunit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.008 sec
[flexunit]
[flexunit] Results :
[flexunit]
[flexunit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.008 sec
[flexunit]
BUILD FAILED
/mnt/build/VinitFlexUnitBranch/workspace/src/Tests/build.xml:26: FlexUnit tests failed during the test run.
at org.flexunit.ant.tasks.TestRun.analyzeReports(Unknown Source)
at org.flexunit.ant.tasks.TestRun.run(Unknown Source)
at org.flexunit.ant.tasks.FlexUnitTask.execute(Unknown Source)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.Main.runBuild(Main.java:809)
at org.apache.tools.ant.Main.startAnt(Main.java:217)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Total time: 1 second
Exited with status 1
[deploy]$
4. Everytime I run this, any test which is run first will fail and all other tests will pass.
My Tests.as file is as below:
* Tests.as
package
import Tests.XTestSuite;
import flash.display.Sprite;
import mx.core.FlexSprite;
import org.flexunit.listeners.CIListener;
import org.flexunit.listeners.UIListener;
import org.flexunit.runner.FlexUnitCore;
public class Tests extends Sprite
public var flexSprite:FlexSprite;
public function Tests()
onCreationComplete();
public function onCreationComplete() : void {
var core : FlexUnitCore = new FlexUnitCore();
core.addListener(new CIListener());
core.runClasses(Tests.XTestSuite);
public function currentRunTestSuite():Array
var testsToRun:Array = new Array();
testsToRun.push(Tests.XTestSuite);
return testsToRun;
XTestSuite try to run 4 flexunit test classes.
one of that flexunit test script class is as below:
package Tests.Classes
import flexunit.framework.Assert;
import org.flexunit.Assert;
import org.flexunit.asserts.assertEquals;
public class DummyASyncTest
[Test]
public function pause() : void
assertEquals(true, true);
trace("I M in dummy");
All other tests are dummy tests which just asserts(true, true).
I am not sure if I doing something wrong or forgot to take care of something.Hi,
I have flexunit project which I am trying to run on linux server.
1. I have Tests project.
2. I am trying to compile it on linux server and creating Tests.swf file and then executing Tests.swf using ant on 64 bit linux server using standalone flash debug player.
3. Tests project contains 4 tests and first tests always fail with following error,
test:
[flexunit] Validating task attributes ...
[flexunit] Generating default values ...
[flexunit] Using default working dir [/mnt/build/VinitFlexUnitBranch/workspace/src/Tests]
[flexunit] Using the following settings for the test run:
[flexunit] FLEX_HOME: [/var/lib/flex4.1sdk]
[flexunit] haltonfailure: [true]
[flexunit] headless: [false]
[flexunit] display: [99]
[flexunit] localTrusted: [true]
[flexunit] player: [flash]
[flexunit] port: [1024]
[flexunit] swf: [/mnt/build/VinitFlexUnitBranch/workspace/bin/Tests.swf]
[flexunit] timeout: [60000ms]
[flexunit] toDir: [/mnt/build/VinitFlexUnitBranch/workspace/src/Tests/report]
[flexunit] Setting up server process ...
[flexunit] Entry [/mnt/build/VinitFlexUnitBranch/workspace/bin] already available in local trust file at [/home/deploy/.macromedia/Flash_Player/#Security/FlashPlayerTrust/flexUnit.cfg].
[flexunit] Executing 'gflashplayer' with arguments:
[flexunit] '/mnt/build/VinitFlexUnitBranch/workspace/bin/Tests.swf'
[flexunit]
[flexunit] The ' characters around the executable and arguments are
[flexunit] not part of the command.
[flexunit]
[flexunit] Starting server ...
[flexunit] Opening server socket on port [1024].
[flexunit] Waiting for client connection ...
[flexunit] Client connected.
[flexunit] Setting inbound buffer size to [262144] bytes.
[flexunit] Receiving data ...
[flexunit] Sending acknowledgement to player to start sending test data ...
[flexunit]
[flexunit] FlexUnit test pause in suite Tests.Classes.DummyASyncTest had errors.
[flexunit]
[flexunit] Stopping server ...
[flexunit] End of test data reached, sending acknowledgement to player ...
[flexunit] Closing client connection ...
[flexunit] Closing server on port [1024] ...
[flexunit] <testcase classname="Tests.Classes::DummyASyncTest" name="pause" time="8" status="error"><error message="Error #1009: Cannot access a property or method of a null object reference." type="Tests.Classes::DummyASyncTest.pause" ><![CDATA[TypeError: Error #1009: Cannot access a property or method of a null object reference.
[flexunit] at org.fluint.uiImpersonation.flex::FlexEnvironmentBuilder/buildVisualTestEnvironment()
[flexunit] at org.fluint.uiImpersonation::VisualTestEnvironmentBuilder/buildVisualTestEnvironment()
[flexunit] at org.flexunit.internals.runners.watcher::FrameWatcher/getStage()
[flexunit] at org.flexunit.internals.runners.watcher::FrameWatcher()
[flexunit] at org.flexunit.internals.runners.statements::StackAndFrameManagement()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/withStackManagement()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/withDecoration()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/methodBlock()
[flexunit] at org.flexunit.runners::BlockFlexUnit4ClassRunner/runChild()
[flexunit] at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()
[flexunit] at org.flexunit.runners::ParentRunner/run()
[flexunit] at org.flexunit.runners::Suite/runChild()
[flexunit] at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()
[flexunit] at org.flexunit.runners::ParentRunner/run()
[flexunit] at org.flexunit.runners::Suite/runChild()
[flexunit] at org.flexunit.internals.runners::ChildRunnerSequencer/executeStep()
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/handleChildExecuteComplete( )
[flexunit] at org.flexunit.internals.runners.statements::StatementSequencer/evaluate()
[flexunit] at org.flexunit.runners::ParentRunner/run()
[flexunit] at org.flexunit.runner::FlexUnitCore/beginRunnerExecution()
[flexunit] at org.flexunit.runner::FlexUnitCore/verifyRunnerCanBegin()
[flexunit] at org.flexunit.token::AsyncCoreStartupToken/sendReady()
[flexunit] at org.flexunit.runner.notification.async::AsyncListenerWatcher/sendReadyNotification()
[flexunit] at org.flexunit.runner.notification.async::AsyncListenerWatcher/handleListenerReady()
[flexunit] at flash.events::EventDispatcher/dispatchEventFunction()
[flexunit] at flash.events::EventDispatcher/dispatchEvent()
[flexunit] at org.flexunit.listeners::CIListener/setStatusReady()
[flexunit] at org.flexunit.listeners::CIListener/dataHandler()
[flexunit] at flash.events::EventDispatcher/dispatchEventFunction()
[flexunit] at flash.events::EventDispatcher/dispatchEvent()
[flexunit] at flash.net::XMLSocket/scanAndSendEvent()]]></error></testcase>
[flexunit] <endOfTestRun/>
[flexunit] Analyzing reports ...
[flexunit]
[flexunit] Suite: Tests.Classes.DummyASyncTest
[flexunit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.008 sec
[flexunit]
[flexunit] Results :
[flexunit]
[flexunit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.008 sec
[flexunit]
BUILD FAILED
/mnt/build/VinitFlexUnitBranch/workspace/src/Tests/build.xml:26: FlexUnit tests failed during the test run.
at org.flexunit.ant.tasks.TestRun.analyzeReports(Unknown Source)
at org.flexunit.ant.tasks.TestRun.run(Unknown Source)
at org.flexunit.ant.tasks.FlexUnitTask.execute(Unknown Source)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.Main.runBuild(Main.java:809)
at org.apache.tools.ant.Main.startAnt(Main.java:217)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Total time: 1 second
Exited with status 1
[deploy]$
4. Everytime I run this, any test which is run first will fail and all other tests will pass.
My Tests.as file is as below:
* Tests.as
package
import Tests.XTestSuite;
import flash.display.Sprite;
import mx.core.FlexSprite;
import org.flexunit.listeners.CIListener;
import org.flexunit.listeners.UIListener;
import org.flexunit.runner.FlexUnitCore;
public class Tests extends Sprite
public var flexSprite:FlexSprite;
public function Tests()
onCreationComplete();
public function onCreationComplete() : void {
var core : FlexUnitCore = new FlexUnitCore();
core.addListener(new CIListener());
core.runClasses(Tests.XTestSuite);
public function currentRunTestSuite():Array
var testsToRun:Array = new Array();
testsToRun.push(Tests.XTestSuite);
return testsToRun;
XTestSuite try to run 4 flexunit test classes.
one of that flexunit test script class is as below:
package Tests.Classes
import flexunit.framework.Assert;
import org.flexunit.Assert;
import org.flexunit.asserts.assertEquals;
public class DummyASyncTest
[Test]
public function pause() : void
assertEquals(true, true);
trace("I M in dummy");
All other tests are dummy tests which just asserts(true, true).
I am not sure if I doing something wrong or forgot to take care of something. -
I am getting this message in the output tab for buttons that I am trying to create. Here's the code:
import flash.events.MouseEvent;
stop();
function goHome(myEvent:MouseEvent):void {
gotoAndStop("home");
SoundMixer.stopAll();
function goAbout(myEvent:MouseEvent):void {
gotoAndStop("about");
SoundMixer.stopAll();
function goBusiness(myEvent:MouseEvent):void {
gotoAndStop("business");
SoundMixer.stopAll();
function goContact(myEvent:MouseEvent):void {
gotoAndStop("contact");
SoundMixer.stopAll();
function goArchives(myEvent:MouseEvent):void {
gotoAndStop("archives");
SoundMixer.stopAll();
function goBioTech(myEvent:MouseEvent):void {
gotoAndStop("bioTech");
SoundMixer.stopAll();
function goRealEstate(myEvent:MouseEvent):void {
gotoAndStop("realEstate");
SoundMixer.stopAll();
function goTechnology(myEvent:MouseEvent):void {
gotoAndStop("technology");
SoundMixer.stopAll();
function goEnergy(myEvent:MouseEvent):void {
gotoAndStop("energy");
SoundMixer.stopAll();
home_btn.addEventListener(MouseEvent.CLICK, goHome);
about_btn.addEventListener(MouseEvent.CLICK, goAbout);
business_btn.addEventListener(MouseEvent.CLICK, goBusiness);
contact_btn.addEventListener(MouseEvent.CLICK, goContact);
archives_btn.addEventListener(MouseEvent.CLICK, goArchives);
bioTech_btn.addEventListener(MouseEvent.CLICK, goBioTech);
realEstate_btn.addEventListener(MouseEvent.CLICK, goRealEstate);
technology_btn.addEventListener(MouseEvent.CLICK, goTechnology);
energy_btn.addEventListener(MouseEvent.CLICK, goEnergy);
I ran the debugger and got this:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at peakInsights_fla::MainTimeline/frame1()[peakInsights_fla.MainTimeline::frame1:48]
I guess it's telling me there's a problem with line 48 but what?
The home, about, business, contact, and archives button works. On the business page there are the remaining buttons biotech, technology, real estate, and energy. when i test it; i get the finger but the buttons don't work. this is my first flash site so I'am new, new.I followed the steps and read some of your comments on the same top topic in another thread. When I put it on the first frame it was okay but the next button on that page had the same problem. So what I am guessing is that I have to either create a document class or put the actions where the buttons are. Am I understanding that correctly? In the other thread in which you helped someone else; there was so comments about document class. I found a tutorial on it and the way I understand it is that it you can put you actions in an external document. But you have to include in the event listener the frame in which you want that action to happen.
Thaks for your help. And patience. -
Hi all,
I am new to ActionScript and Flash, and I am getting this error: TypeError: Error #1009: Cannot access a property or method of a null object reference.
at jessicaclucas_fla::MainTimeline/stopResumescroll()
I have several different clips in one movie that have scrolling content. When I click a button to move to a different clip that doesn’t have a certain scroll, it gives me this error. I cannot figure out how to fix this. You can see the site I am working on: http://www.jessicaclucas.com. I would really appreciate some help! Thank you in advance. Here is the code:
//Import TweenMax and the plugin for the blur filter
import gs.TweenMax;
import gs.plugins.BlurFilterPlugin;
//Save the content’s and mask’s height.
//Assign your own content height here!!
var RESUMECONTENT_HEIGHT:Number = 1500;
var RESUME_HEIGHT:Number = 450;
//We want to know what was the previous y coordinate of the content (for the animation)
var oldResumeY:Number = myResumecontent.y;
//Position the content on the top left corner of the mask
myResumecontent.x = myResume.x;
myResumecontent.y = myResume.y;
//Set the mask to our content
myResumecontent.mask = myResume;
//Create a rectangle that will act as the Resumebounds to the scrollMC.
//This way the scrollMC can only be dragged along the line.
var Resumebounds:Rectangle = new Rectangle(resumescrollMC.x,resumescrollMC.y,0,450);
//We want to know when the user is Resumescrolling
var Resumescrolling:Boolean = false;
//Listen when the user is holding the mouse down on the scrollMC
resumescrollMC.addEventListener(MouseEvent.MOUSE_DOWN, startResumescroll);
//Listen when the user releases the mouse button
stage.addEventListener(MouseEvent.MOUSE_UP, stopResumescroll);
//This function is called when the user is dragging the scrollMC
function startResumescroll(e:Event):void {
//Set Resumescrolling to true
Resumescrolling = true;
//Start dragging the scrollMC
resumescrollMC.startDrag(false,Resumebounds);
//This function is called when the user stops dragging the scrollMC
function stopResumescroll(e:Event):void {
//Set Resumescrolling to false
Resumescrolling = false;
//Stop the drag
resumescrollMC.stopDrag();
//Add ENTER_FRAME to animate the scroll
addEventListener(Event.ENTER_FRAME, enterResumeHandler);
//This function is called in each frame
function enterResumeHandler(e:Event):void {
//Check if we are Resumescrolling
if (Resumescrolling == true) {
//Calculate the distance how far the scrollMC is from the top
var distance:Number = Math.round(resumescrollMC.y - Resumebounds.y);
//Calculate the percentage of the distance from the line height.
//So when the scrollMC is on top, percentage is 0 and when its
//at the bottom the percentage is 1.
var percentage:Number = distance / RESUME_HEIGHT;
//Save the old y coordinate
oldResumeY = myResumecontent.y;
//Calculate a new y target coordinate for the content.
//We subtract the mask’s height from the contentHeight.
//Otherwise the content would move too far up when we scroll down.
//Remove the subraction to see for yourself!
var targetY:Number = -((RESUMECONTENT_HEIGHT - RESUME_HEIGHT) * percentage) + myResume.y;
//We only want to animate the scroll if the old y is different from the new y.
//In our movie we animate the scroll if the difference is bigger than 5 pixels.
if (Math.abs(oldResumeY - targetY) > 5) {
//Tween the content to the new location.
//Call the function ResumetweenFinished() when the tween is complete.
TweenMax.to(myResumecontent, 0.3, {y: targetY, blurFilter:{blurX:22, blurY:22}, onComplete: ResumetweenFinished});
//This function is called when the tween is finished
function ResumetweenFinished():void {
//Tween the content back to “normal” (= remove blur)
TweenMax.to(myResumecontent, 0.3, {blurFilter:{blurX:0, blurY:0}});Hi again,
Thank you for helping. I really appreciate it! Would it be easier to say, if resumescrollMC exists, then execute these functions? I was not able to figure out the null statement from your post. Here is what I am trying (though I am not sure it is possible). I declared the var resumescrollMC, and then I tried to put pretty much the entire code into an if (resumescrollMC == true) since this code only needs to be completed when resumescrollMC is on the stage. It is not working the way I have tried, but I am assuming I am setting up the code incorrectly. Or, an if statement is not supposed to be issued to an object:
//Import TweenMax and the plugin for the blur filter
import gs.TweenMax2;
import gs.plugins.BlurFilterPlugin2;
//Save the content's and mask's height.
//Assign your own content height here!!
var RESUMECONTENT_HEIGHT:Number = 1500;
var RESUME_HEIGHT:Number = 450;
var resumescrollMC:MovieClip;
if (resumescrollMC == true) {
//We want to know what was the previous y coordinate of the content (for the animation)
var oldResumeY:Number = myResumecontent.y;
//Position the content on the top left corner of the mask
myResumecontent.x = myResume.x;
myResumecontent.y = myResume.y;
//Set the mask to our content
myResumecontent.mask = myResume;
//Create a rectangle that will act as the Resumebounds to the scrollMC.
//This way the scrollMC can only be dragged along the line.
var Resumebounds:Rectangle = new Rectangle(resumescrollMC.x,resumescrollMC.y,0,450);
//We want to know when the user is Resumescrolling
var Resumescrolling:Boolean = false;
//Listen when the user is holding the mouse down on the scrollMC
resumescrollMC.addEventListener(MouseEvent.MOUSE_DOWN, startResumescroll);
//Listen when the user releases the mouse button
stage.addEventListener(MouseEvent.MOUSE_UP, stopResumescroll);
//This function is called when the user is dragging the scrollMC
function startResumescroll(e:Event):void {
//Set Resumescrolling to true
Resumescrolling = true;
//Start dragging the scrollMC
resumescrollMC.startDrag(false,Resumebounds);
//This function is called when the user stops dragging the scrollMC
function stopResumescroll(e:Event):void {
//Set Resumescrolling to false
Resumescrolling = false;
//Stop the drag
resumescrollMC.stopDrag();
//Add ENTER_FRAME to animate the scroll
addEventListener(Event.ENTER_FRAME, enterResumeHandler);
//This function is called in each frame
function enterResumeHandler(e:Event):void {
//Check if we are Resumescrolling
if (Resumescrolling == true) {
//Calculate the distance how far the scrollMC is from the top
var distance:Number = Math.round(resumescrollMC.y - Resumebounds.y);
//Calculate the percentage of the distance from the line height.
//So when the scrollMC is on top, percentage is 0 and when its
//at the bottom the percentage is 1.
var percentage:Number = distance / RESUME_HEIGHT;
//Save the old y coordinate
oldResumeY = myResumecontent.y;
//Calculate a new y target coordinate for the content.
//We subtract the mask's height from the contentHeight.
//Otherwise the content would move too far up when we scroll down.
//Remove the subraction to see for yourself!
var targetY:Number = -((RESUMECONTENT_HEIGHT - RESUME_HEIGHT) * percentage) + myResume.y;
//We only want to animate the scroll if the old y is different from the new y.
//In our movie we animate the scroll if the difference is bigger than 5 pixels.
if (Math.abs(oldResumeY - targetY) > 5) {
//Tween the content to the new location.
//Call the function ResumetweenFinished() when the tween is complete.
TweenMax.to(myResumecontent, 0.3, {y: targetY, blurFilter:{blurX:22, blurY:22}, onComplete: ResumetweenFinished});
//This function is called when the tween is finished
function ResumetweenFinished():void {
//Tween the content back to "normal" (= remove blur)
TweenMax.to(myResumecontent, 0.3, {blurFilter:{blurX:0, blurY:0}}); -
Dear Sir,
I really need your valuable assistance i was about to finish a project but at very last moment i am stuck. Here is the explanation below...
I have two files called "holder.swf" and "slide.swf" i want to improt the "slide.swf" using this action below
var myLoader:Loader = new Loader();
var url:URLRequest = new URLRequest("slide.swf");
myLoader.load(url);
addChild(myLoader);
myLoader.x = 2;
myLoader.y = 2;
Also i have attached the flash file of "holder.swf". My concern is the moment i am calling the "slide.swf" inside the "holder.swf" it is showing the following error...
" TypeError: Error #1009: Cannot access a property or method of a null object reference.
at FC_Home_Ads_Holder_v2_fla::MainTimeline() "
Here are the files uploaded for your reference, please download this file http://www.touchpixl.com/ForumsAdobecom.zip
This error is being occured from "MainTimeline.as" file here is the code been use inside of this file below....
package FC_Home_Ads_Holder_v2_fla
import __AS3__.vec.*;
import adobe.utils.*;
import com.danehansen.*;
import com.greensock.*;
import com.greensock.easing.*;
import com.greensock.plugins.*;
import flash.accessibility.*;
import flash.desktop.*;
import flash.display.*;
import flash.errors.*;
import flash.events.*;
import flash.external.*;
import flash.filters.*;
import flash.geom.*;
import flash.globalization.*;
import flash.media.*;
import flash.net.*;
import flash.net.drm.*;
import flash.printing.*;
import flash.profiler.*;
import flash.sampler.*;
import flash.sensors.*;
import flash.system.*;
import flash.text.*;
import flash.text.engine.*;
import flash.text.ime.*;
import flash.ui.*;
import flash.utils.*;
import flash.xml.*;
public dynamic class MainTimeline extends flash.display.MovieClip
public function MainTimeline()
new Vector.<String>(6)[0] = "Productivity";
new Vector.<String>(6)[1] = "Leadership";
new Vector.<String>(6)[2] = "Execution";
new Vector.<String>(6)[3] = "Education";
new Vector.<String>(6)[4] = "Speed of Trust";
new Vector.<String>(6)[5] = "Sales";
super();
addFrameScript(0, this.frame1);
return;
public function init():void
var loc1:*=null;
com.greensock.plugins.TweenPlugin.activate([com.greensock.plugins.Aut oAlphaPlugin]);
loc1 = new flash.net.URLLoader(new flash.net.URLRequest(this.XML_LOC));
var loc2:*;
this.next_mc.buttonMode = loc2 = true;
this.prev_mc.buttonMode = loc2;
stage.scaleMode = flash.display.StageScaleMode.NO_SCALE;
stage.align = flash.display.StageAlign.TOP_LEFT;
loc1.addEventListener(flash.events.Event.COMPLETE, this.xmlLoaded, false, 0, true);
this.prev_mc.addEventListener(flash.events.MouseEvent.CLICK, this.minusClick, false, 0, true);
this.next_mc.addEventListener(flash.events.MouseEvent.CLICK, this.plusClick, false, 0, true);
return;
public function xmlLoaded(arg1:flash.events.Event):void
var loc1:*=null;
var loc2:*=0;
this.xmlData = new XML(arg1.target.data);
loc2 = 0;
while (loc2 < this.LABELS.length)
loc1 = new Btn(this.LABELS[loc2], loc2);
this.btnHolder_mc.addChild(loc1);
this.BTNS.push(loc1);
trace(this.LABELS[loc2]);
++loc2;
this.current = uint(this.xmlData.@firstPick);
trace("-----width-----");
trace(this.contentMask.width);
var loc3:*=this.contentMask.width / this.LABELS.length;
trace(loc3);
loc2 = 0;
while (loc2 < this.BTNS.length)
this.BTNS[loc2].width = loc3;
this.BTNS[loc2].x = loc3 * loc2;
++loc2;
this.btnHolder_mc.addEventListener(flash.events.MouseEvent.CLICK, this.numClick, false, 0, true);
this.selectMovie();
return;
public function numClick(arg1:flash.events.MouseEvent):void
this.killTimer();
this.current = arg1.target.i;
this.selectMovie();
return;
public function killTimer():void
this.timerGoing = false;
if (this.timer)
this.timer.reset();
this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
this.timer = null;
return;
public function selectMovie():void
if (this.timerGoing)
this.timer = new flash.utils.Timer(uint(this.xmlData.ad[com.danehansen.MyMath.modulo(t his.current, this.xmlData.ad.length())].@delay), 1);
this.timer.start();
this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
while (this.holder_mc.numChildren > 0)
this.holder_mc.removeChild(this.holder_mc.getChildAt(0));
var loc1:*=new flash.display.Loader();
loc1.load(new flash.net.URLRequest(this.xmlData.ad[com.danehansen.MyMath.modulo(thi s.current, this.xmlData.ad.length())].@loc));
this.holder_mc.addChild(loc1);
var loc2:*=0;
while (loc2 < this.BTNS.length)
this.BTNS[loc2].deselect();
++loc2;
this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].select();
var loc3:*=this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].x + this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].width / 2 + this.btnHolder_mc.x;
trace("addLength:" + this.xmlData.ad.length());
trace(loc3, com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length()));
com.greensock.TweenLite.to(this.indicator_mc, 0.3, {"x":loc3, "ease":com.greensock.easing.Cubic.easeOut});
loc1.contentLoaderInfo.addEventListener(flash.events.Event.COMPLETE, this.adLoaded, false, 0, true);
return;
public function adLoaded(arg1:flash.events.Event):void
var evt:flash.events.Event;
var loc1:*;
evt = arg1;
try
evt.target.content.xmlData = this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())];
catch (er:Error)
return;
public function minusClick(arg1:flash.events.MouseEvent):void
this.killTimer();
var loc1:*;
var loc2:*=((loc1 = this).current - 1);
loc1.current = loc2;
this.selectMovie();
return;
public function plusClick(arg1:flash.events.Event):void
if (arg1.type != "timer")
this.killTimer();
var loc1:*;
var loc2:*=((loc1 = this).current + 1);
loc1.current = loc2;
this.selectMovie();
trace("next");
return;
public function ENDED(arg1:flash.events.Event):void
if (arg1.type != "timer")
this.killTimer();
var loc1:*;
var loc2:*=((loc1 = this).current + 1);
loc1.current = loc2;
this.selectMovie();
trace("next");
return;
public function STARTED(arg1:flash.events.Event):void
this.killTimer();
return;
function frame1():*
this.timerGoing = true;
addEventListener("endNow", this.ENDED, false, 0, true);
addEventListener("startNow", this.STARTED, false, 0, true);
this.init();
return;
public const XML_LOC:String=stage.loaderInfo.parameters.xmlLoc ? stage.loaderInfo.parameters.xmlLoc : "home_ads.xml";
public const LABELS:__AS3__.vec.Vector.<String>=new Vector.<String>(6);
public const BTNS:__AS3__.vec.Vector.<Btn>=new Vector.<Btn>();
public const TRANSITION_TIME:Number=0.2;
public var contentMask:flash.display.MovieClip;
public var btnHolder_mc:flash.display.MovieClip;
public var holder_mc:flash.display.MovieClip;
public var indicator_mc:flash.display.MovieClip;
public var prev_mc:flash.display.MovieClip;
public var next_mc:flash.display.MovieClip;
public var current:int;
public var xmlData:XML;
public var timer:flash.utils.Timer;
public var timerGoing:Boolean;
Here is the folder uploaded on the server for you to get clear picture, please click on this link to download the entire folder. http://www.touchpixl.com/ForumsAdobecom.zip
I am not being able to resolve the issue, it needs a master to get the proper solution. I would request you to help me.
Thanks & Regards
Sanjib DasHere is the entire code of MainTimeline.as below, please correct it.
package FC_Home_Ads_Holder_v2_fla
import __AS3__.vec.*;
import adobe.utils.*;
import com.danehansen.*;
import com.greensock.*;
import com.greensock.easing.*;
import com.greensock.plugins.*;
import flash.accessibility.*;
import flash.desktop.*;
import flash.display.*;
import flash.errors.*;
import flash.events.*;
import flash.external.*;
import flash.filters.*;
import flash.geom.*;
import flash.globalization.*;
import flash.media.*;
import flash.net.*;
import flash.net.drm.*;
import flash.printing.*;
import flash.profiler.*;
import flash.sampler.*;
import flash.sensors.*;
import flash.system.*;
import flash.text.*;
import flash.text.engine.*;
import flash.text.ime.*;
import flash.ui.*;
import flash.utils.*;
import flash.xml.*;
public dynamic class MainTimeline extends flash.display.MovieClip
public function MainTimeline()
new Vector.<String>(6)[0] = "Productivity";
new Vector.<String>(6)[1] = "Leadership";
new Vector.<String>(6)[2] = "Execution";
new Vector.<String>(6)[3] = "Education";
new Vector.<String>(6)[4] = "Speed of Trust";
new Vector.<String>(6)[5] = "Sales";
super();
addFrameScript(0, this.frame1);
return;
public function init():void
var loc1:*=null;
com.greensock.plugins.TweenPlugin.activate([com.greensock.plugins.AutoAlphaPlugin]);
loc1 = new flash.net.URLLoader(new flash.net.URLRequest(this.XML_LOC));
var loc2:*;
this.next_mc.buttonMode = loc2 = true;
this.prev_mc.buttonMode = loc2 = true;
stage.scaleMode = flash.display.StageScaleMode.NO_SCALE;
stage.align = flash.display.StageAlign.TOP_LEFT;
loc1.addEventListener(flash.events.Event.COMPLETE, this.xmlLoaded, false, 0, true);
this.prev_mc.addEventListener(flash.events.MouseEvent.CLICK, this.minusClick, false, 0, true);
this.next_mc.addEventListener(flash.events.MouseEvent.CLICK, this.plusClick, false, 0, true);
return;
public function xmlLoaded(arg1:flash.events.Event):void
var loc1:*=null;
var loc2:*=0;
this.xmlData = new XML(arg1.target.data);
loc2 = 0;
while (loc2 < this.LABELS.length)
loc1 = new Btn(this.LABELS[loc2], loc2);
this.btnHolder_mc.addChild(loc1);
this.BTNS.push(loc1);
trace(this.LABELS[loc2]);
++loc2;
this.current = uint(this.xmlData.@firstPick);
trace("-----width-----");
trace(this.contentMask.width);
var loc3:*=this.contentMask.width / this.LABELS.length;
trace(loc3);
loc2 = 0;
while (loc2 < this.BTNS.length)
this.BTNS[loc2].width = loc3;
this.BTNS[loc2].x = loc3 * loc2;
++loc2;
this.btnHolder_mc.addEventListener(flash.events.MouseEvent.CLICK, this.numClick, false, 0, true);
this.selectMovie();
return;
public function numClick(arg1:flash.events.MouseEvent):void
this.killTimer();
this.current = arg1.target.i;
this.selectMovie();
return;
public function killTimer():void
this.timerGoing = false;
if (this.timer)
this.timer.reset();
this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
this.timer = null;
return;
public function selectMovie():void
if (this.timerGoing)
this.timer = new flash.utils.Timer(uint(this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].@delay), 1);
this.timer.start();
this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
while (this.holder_mc.numChildren > 0)
this.holder_mc.removeChild(this.holder_mc.getChildAt(0));
var loc1:*=new flash.display.Loader();
loc1.load(new flash.net.URLRequest(this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].@loc));
this.holder_mc.addChild(loc1);
var loc2:*=0;
while (loc2 < this.BTNS.length)
this.BTNS[loc2].deselect();
++loc2;
this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].select();
var loc3:*=this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].x + this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].width / 2 + this.btnHolder_mc.x;
trace("addLength:" + this.xmlData.ad.length());
trace(loc3, com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length()));
com.greensock.TweenLite.to(this.indicator_mc, 0.3, {"x":loc3, "ease":com.greensock.easing.Cubic.easeOut});
loc1.contentLoaderInfo.addEventListener(flash.events.Event.COMPLETE, this.adLoaded, false, 0, true);
return;
public function adLoaded(arg1:flash.events.Event):void
var evt:flash.events.Event;
var loc1:*;
evt = arg1;
try
evt.target.content.xmlData = this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())];
catch (er:Error)
return;
public function minusClick(arg1:flash.events.MouseEvent):void
this.killTimer();
var loc1:*;
var loc2:*=((loc1 = this).current - 1);
loc1.current = loc2;
this.selectMovie();
return;
public function plusClick(arg1:flash.events.Event):void
if (arg1.type != "timer")
this.killTimer();
var loc1:*;
var loc2:*=((loc1 = this).current + 1);
loc1.current = loc2;
this.selectMovie();
trace("next");
return;
public function ENDED(arg1:flash.events.Event):void
if (arg1.type != "timer")
this.killTimer();
var loc1:*;
var loc2:*=((loc1 = this).current + 1);
loc1.current = loc2;
this.selectMovie();
trace("next");
return;
public function STARTED(arg1:flash.events.Event):void
this.killTimer();
return;
function frame1():*
this.timerGoing = true;
addEventListener("endNow", this.ENDED, false, 0, true);
addEventListener("startNow", this.STARTED, false, 0, true);
this.init();
return;
public const XML_LOC:String=stage.loaderInfo.parameters.xmlLoc ? stage.loaderInfo.parameters.xmlLoc : "home_ads.xml";
public const LABELS:__AS3__.vec.Vector.<String>=new Vector.<String>(6);
public const BTNS:__AS3__.vec.Vector.<Btn>=new Vector.<Btn>();
public const TRANSITION_TIME:Number=0.2;
public var contentMask:flash.display.MovieClip;
public var btnHolder_mc:flash.display.MovieClip;
public var holder_mc:flash.display.MovieClip;
public var indicator_mc:flash.display.MovieClip;
public var prev_mc:flash.display.MovieClip;
public var next_mc:flash.display.MovieClip;
public var current:int;
public var xmlData:XML;
public var timer:flash.utils.Timer;
public var timerGoing:Boolean; -
Hi,
I'm having a lot of trouble getting a preloader to work on my Flash website. I'm new to actionscript, the site works fine but when I place the preloader in frame 1, I get.
Error#1009: Cannot access a property or method of a null object reference.
Then it lists three areas. The buttons on the site don't work anymore.
I've followed the Lynda com tutorials so don't know what is causing this error.
Included is the word.doc with the error code, preloader code, the main flash frame 2 code and the debug information.
Any help would be great.
Thanks!You need to make sure 'cards' is named properly and is present when that line of code executes. If it is somewhere down a timeline, it is not present.
As far as your preloader code goes, what is infoLoader. I have to assume it's some form of component since you don't have any code to instantiate it. -
Can anyone throw any light on this obscure Flex error?...
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.controls::AdvancedDataGrid/findHeaderRenderer()[...path...\projects\datavisualisation\ src\mx\controls\AdvancedDataGrid.as:1350]
at mx.controls::AdvancedDataGrid/mouseEventToItemRenderer()[...path...\projects\datavisualis ation\src\mx\controls\AdvancedDataGrid.as:1315]
at mx.controls.listClasses::AdvancedListBase/mouseMoveHandler()[...path...\projects\datavisu alisation\src\mx\controls\listClasses\AdvancedListBase.as:8091]
I found a related bug reported on Jira: https://bugs.adobe.com/jira/browse/FLEXDMV-1631
But in our case, we have no zoom effect. It may be timing related, as there is a lot of computation going on when this page, and the ADG is first initialised.
Please?... Any suggestions or workarounds? We don't want this falling over in the hands of our customers.
<rant> And people wonder why I hate Flex!? These obscure instabilities never happen when I develop Pure ActionScript. The Flash platform is wonderfully stable. But as soon as you bring Flex into play, things take longer to develop, it's a struggle to extend or change the behaviour of the bloated components, and everything falls apart as these bugs begin to surface.</rant>facing the same problem... sdk 4.1. no solution for about 2 years ????
-
I am getting a runtime error when I click a button that fires
the addPerson function.
TypeError: Error #1009: Cannot access a property or method of
a null object reference.
at main/addPerson()[C:\Documents and Settings\edunn\My
Documents\Flex Builder 3\workspace2\Test-1\src\main.mxml:178]
at main/___main_Button4_click()[C:\Documents and
Settings\edunn\My Documents\Flex Builder
3\workspace2\Test-1\src\main.mxml:228]
I am new to Action Script - and object programming - so
understand...
I do not understand what I have done wrong here...
I have a result list coming from an external web service that
populates in a datagrid. I'd like to be able to update that
datagrid and then push back to the web service the new array.
Any ideas?????
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
import mx.collections.ArrayCollection;
import generated.webservices.FxAppiaUserFeaturesService;
import generated.webservices.UserSimRingConfig;
import generated.webservices.SimRingType;
public var plist:ArrayCollection
//Updated Function to populate the data from WS
public function
retrieveUserSimRingConfig(e:ResultEvent):void {
var UsrSimRngCfgNumList:Array = new
UserSimRingConfig().simRingNumberList;
var plist:ArrayCollection = e.result.simRingNumberList;
dgSimPhoneList.dataProvider = plist;
if (e.result.active) {
chboxSimultaneousRingPhones.selected=true;
} else {
chboxSimultaneousRingPhones.selected=false;
if (e.result.simRingType == "NO_RING_WHILE_ONCALL") {
chboxSimultaneousRing.selected=true;
} else {
chboxSimultaneousRing.selected = false;
// Add a person to the ArrayCollection.
public function addPerson():void {
plist.addItem({simRingNumberList:txtPhoneNumber1.text});
I posted this in the General Section first by
mistake...can u explain abt this line
var plist:ArrayCollection = e .
result.simRingNumberList; -
Hello
I'm trying to load a swf called "polaroids.swf" into my main swf called "09replacesSWF.swf". I keep getting the error when I test the movie. I'm completely lost and have been at this for hours. If I just test polaroids.fla the movie works fine but if I try to load it into 09replacesSWF.swf, I get the error. I need some help PLEASE!!!!!
I tried to debug the movie and flash says......."Cannot display source code at this location".
....... TypeError: Error #1009: Cannot access a property or method of a null object reference.
at Polaroids$iinit()
Here is my AS code
package {
import flash.display.*;
import flash.filters.*;
import flash.utils.*;
import flash.net.*;
import flash.events.*;
import flash.filters.DropShadowFilter;
import caurina.transitions.*;
public class Polaroids extends MovieClip {
//Variables
public var stageContainer:MovieClip;
private var _scaleTempo:Number;
private var _thumbStr:Number;
private var _stageHeight:Number;
private var _stageWidth:Number;
private var _count:Number;
private var _initBGHeight:Number;
private var _initBGWidth:Number;
//Arrays
private var _backgroundImageArr:Array;
private var _imageURLArr:Array;
private var _imageCaptionArr:Array;
private var _imagesArr:Array;
//Bitmaps
private var _image:Bitmap;
private var _backgroundImage:Bitmap;
private var _bitmap:BitmapData;
private var _backgroundBitmap:BitmapData;
//XML
private var _xmlLoader:URLLoader;
private var _imageXML:XML;
//Holders
private var _imageContainer:ImageContainer;
private var _backgroundImageHolder:MovieClip;
//Image States
private var _activeImage = null;
private var _previousActiveImage = null;
//Loaders
private var backgroundImageLoader:Loader;
public function Polaroids() {
//sets up initial variable values
_count = 0;
_backgroundImageArr=new Array;
_imageURLArr=new Array;
_imageCaptionArr=new Array;
_imagesArr=new Array;
_scaleTempo=9;
_thumbStr = .3;
backgroundImageLoader = new Loader();
_stageHeight=stage.stageHeight;
_stageWidth=stage.stageWidth;
_backgroundImageHolder = new MovieClip();
stageContainer = new MovieClip();
addChild(stageContainer);
init();
//Add Stage Listener
private function addedToStage(e:Event):void {
stage.addEventListener(Event.RESIZE, onResize);
Initialise
private function init():void {
//Setup stage
stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;
//Load XML
var _xmlLoader:URLLoader=new URLLoader;
_xmlLoader.load(new URLRequest("photos.xml"));
_xmlLoader.addEventListener(Event.COMPLETE,processXML);
this.addEventListener(Event.ADDED_TO_STAGE, addedToStage);
Process XML
private function processXML(e:Event):void {
_imageXML=new XML(e.target.data);
_backgroundImageArr[0] = _imageXML.@backgroundImage;
for (var i:int=0; i < _imageXML.*.length(); i++) {
_imageURLArr[i]=_imageXML.image[i].@url;
_imageCaptionArr[i]=_imageXML.image[i].@caption;
loadImages();
loadBackgroundImage();
Load Background Image
private function loadBackgroundImage():void {
backgroundImageLoader.contentLoaderInfo.addEventListener(Event.COMPLETE,addBack ground);
backgroundImageLoader.load(new URLRequest(_backgroundImageArr[0]));
Add background image to stage
private function addBackground(e:Event):void {
_backgroundImage=Bitmap(e.target.content);
_backgroundBitmap=_image.bitmapData;
_backgroundImage.smoothing = true;
_backgroundImageHolder.addChild(_backgroundImage);
_initBGHeight = backgroundImageLoader.contentLoaderInfo.height;
_initBGWidth = backgroundImageLoader.contentLoaderInfo.width;
if ((_initBGWidth/_initBGHeight) > (stage.stageWidth/stage.stageHeight)) {
_backgroundImageHolder.height = stage.stageHeight;
_backgroundImageHolder.width = _backgroundImageHolder.height * _initBGWidth / _initBGHeight;
} else {
_backgroundImageHolder.width = stage.stageWidth;
_backgroundImageHolder.height= _backgroundImageHolder.width * _initBGHeight / _initBGWidth;
Load Images
private function loadImages():void {
for (var i:int=0; i < _imageURLArr.length; i++) {
var imageLoader:Loader=new Loader;
imageLoader.contentLoaderInfo.addEventListener(Event.COMPLETE,addImage);
imageLoader.load(new URLRequest(_imageURLArr[i]));
Add images to MovieClip on Stage
private function addImage(e:Event):void {
_image=Bitmap(e.target.content);
_bitmap=_image.bitmapData;
_image.smoothing = true;
_imageContainer = new ImageContainer();
_imageContainer.falseBtn.buttonMode = true;
_imageContainer.falseBtn.doubleClickEnabled = true;
_imageContainer.imageHolder.addChild(_image);//Add Bitmap to a MoviClip _imageContainer
_image.x = _imageContainer.width/2 - (_image.width/2 + 15);
_image.y = _imageContainer.height/2 - (_image.height/2 + 80) ;
_imageContainer.imageCaption.text = _imageCaptionArr[_count];
_imageContainer.scaleX = _thumbStr;
_imageContainer.scaleY = _thumbStr;
_imageContainer.rotation = 30 - 60 * Math.random();
if (Math.round(Math.random() * 1) == 1) {
_imageContainer.y=stage.stageHeight * Math.random() + _imageContainer.height * 2;
if (Math.round(Math.random() * 1) == 1) {
_imageContainer.x=stage.stageWidth + _imageContainer.width * 2;
} else {
_imageContainer.x=- _imageContainer.width * 2;
} else {
_imageContainer.x=stage.stageWidth * Math.random() + _imageContainer.width * 2;
if (Math.round(Math.random() * 1) == 1) {
_imageContainer.y=stage.stageHeight + _imageContainer.height * 2;
} else {
_imageContainer.y=- _imageContainer.height * 2;
//Setup Attributes
_imageContainer.newX = Math.round((_imageContainer.width/2) + (stage.stageWidth-_imageContainer.width)*Math.random());
_imageContainer.newY = Math.round((_imageContainer.height/2) + (stage.stageHeight-_imageContainer.height)*Math.random());
_imageContainer.oldRotation = _imageContainer.rotation;
_imageContainer.oldX = _imageContainer.newX;
_imageContainer.oldY = _imageContainer.newY;
_imageContainer.startX = _imageContainer.x;
_imageContainer.startY = _imageContainer.y;
_imageContainer.oldHeight = _imageContainer.scaleY;
_imageContainer.oldWidth = _imageContainer.scaleX;
_imageContainer.id = _count;
_imageContainer.addEventListener(Event.ENTER_FRAME, animateImage);
_imageContainer.addEventListener(MouseEvent.MOUSE_DOWN,dragImage);
_imageContainer.addEventListener(MouseEvent.MOUSE_UP,dropImage);
_imageContainer.addEventListener(MouseEvent.MOUSE_OUT, dropImage);
_imageContainer.falseBtn.addEventListener(MouseEvent.DOUBLE_CLICK, setup_activeImage);
_imagesArr.push(_imageContainer);//Add image reference to an Array
_imageContainer.filters = [new DropShadowFilter(0,0,0,.9,8,8,1,1,false,false)];
//Button Listeners
_imageContainer.nextBtn.visible = false;
_imageContainer.previousBtn.visible = false;
_imageContainer.nextBtn.buttonMode = true;
_imageContainer.previousBtn.buttonMode = true;
_imageContainer.nextBtn.addEventListener(MouseEvent.MOUSE_DOWN, nextImage);
_imageContainer.previousBtn.addEventListener(MouseEvent.MOUSE_DOWN, previousImage);
//Add Container to Stage
addChild(_imageContainer);
stageContainer.addChild(_imageContainer);
_count++;
Animate Images onto Stage
private function animateImage(e:Event):void {
e.target.y += (e.target.newY - e.target.y) / _scaleTempo;
e.target.x += (e.target.newX - e.target.x) / _scaleTempo;
if (Math.round(e.target.y) == e.target.newY) {
e.target.removeEventListener(Event.ENTER_FRAME, animateImage);
Drag & Drop Images
private function dragImage(e:MouseEvent) {
if (e.currentTarget != _activeImage) {
e.currentTarget.startDrag();
if (_activeImage == null) {
stageContainer.setChildIndex(DisplayObject(e.currentTarget), stageContainer.numChildren-1);
} else {
stageContainer.setChildIndex(DisplayObject(e.currentTarget), stageContainer.numChildren-2);
private function dropImage(e:MouseEvent) {
if (e.currentTarget != _activeImage) {
e.currentTarget.stopDrag();
e.currentTarget.oldX = e.currentTarget.x;
e.currentTarget.oldY = e.currentTarget.y;
onResize Handler
private function onResize(e:Event):void {
for (var i:int = 0; i<_imagesArr.length; i++) {
if (_imagesArr[i] != _activeImage) {
_imagesArr[i].x = Math.round(stage.stageWidth * (_imagesArr[i].x/_stageWidth));
_imagesArr[i].y = Math.round(stage.stageHeight * (_imagesArr[i].y/_stageHeight));
} else {
_activeImage.x = stage.stageWidth/2;
_activeImage.y = stage.stageHeight/2;
_imagesArr[i].oldX = Math.round(stage.stageWidth * (_imagesArr[i].oldX/_stageWidth));
_imagesArr[i].oldY = Math.round(stage.stageHeight * (_imagesArr[i].oldY/_stageHeight));
_imagesArr[i].newX = Math.round(stage.stageWidth * (_imagesArr[i].newX/_stageWidth));
_imagesArr[i].newY = Math.round(stage.stageHeight * (_imagesArr[i].newY/_stageHeight));
_imagesArr[i].startX = Math.round(stage.stageWidth * (_imagesArr[i].startX/_stageWidth));
_imagesArr[i].startY = Math.round(stage.stageHeight * (_imagesArr[i].startY/_stageHeight));
//Background Resizer
if ((_initBGWidth/_initBGHeight) > (stage.stageWidth/stage.stageHeight)) {
_backgroundImageHolder.height = stage.stageHeight;
_backgroundImageHolder.width = _backgroundImageHolder.height * _initBGWidth / _initBGHeight;
} else {
_backgroundImageHolder.width = stage.stageWidth;
_backgroundImageHolder.height= _backgroundImageHolder.width * _initBGHeight / _initBGWidth;
_stageWidth = stage.stageWidth;
_stageHeight = stage.stageHeight;
Handle Selected Image
private function zoomImage():void {
stageContainer.setChildIndex(_activeImage, stageContainer.numChildren-1);
Tweener.addTween(_activeImage,{scaleX: 1, scaleY: 1, rotation: 0, x: _stageWidth/2 , y: _stageHeight/2, time: 1});
_activeImage.nextBtn.visible = true;
_activeImage.previousBtn.visible = true;
private function returnImage():void {
stageContainer.setChildIndex(_previousActiveImage, stageContainer.numChildren-2);
Tweener.addTween(_previousActiveImage,{scaleX: .3, scaleY: .3, rotation: _previousActiveImage.oldRotation, x: _previousActiveImage.oldX , y: _previousActiveImage.oldY, time: 1});
_previousActiveImage.nextBtn.visible = false;
_previousActiveImage.previousBtn.visible = false;
private function setup_activeImage(e:Event):void {
if ((_activeImage == null) && (_previousActiveImage == null)) {
_activeImage = e.currentTarget.parent;
zoomImage();
} else if (e.currentTarget.parent != _activeImage) {
_previousActiveImage = _activeImage;
_activeImage = e.currentTarget.parent;
zoomImage();
returnImage();
} else {
Tweener.addTween(_activeImage,{scaleX: .3, scaleY: .3, rotation: _activeImage.oldRotation, x: _activeImage.oldX , y: _activeImage.oldY, time: 1});
_activeImage.nextBtn.visible = false;
_activeImage.previousBtn.visible = false;
_activeImage = null;
_previousActiveImage = null;
Button Handlers
private function nextImage(e:MouseEvent):void {
var imageID = int(e.currentTarget.parent.id);
if (imageID < _imagesArr.length - 1) {
_previousActiveImage = e.currentTarget.parent;
_activeImage = _imagesArr[imageID+1];
zoomImage();
returnImage();
} else {
_previousActiveImage = e.currentTarget.parent;
_activeImage = _imagesArr[0];
zoomImage();
returnImage();
private function previousImage(e:MouseEvent):void {
var imageID = int(e.currentTarget.parent.id);
if (imageID != 0) {
_previousActiveImage = e.currentTarget.parent;
_activeImage = _imagesArr[imageID-1];
zoomImage();
returnImage();
} else {
_previousActiveImage = e.currentTarget.parent;
_activeImage = _imagesArr[_imagesArr.length-1];
zoomImage();
returnImage();
}Raymond,
The error is at line 55....when I debug
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at Polaroids$iinit()[/Volumes/Herman's Passport/Music Rocka/RockaGallery/Polaroids.as:55]
So i'm looking in the code..... -
hello,
I am trying to load a menu as an external file .... and getting this : TypeError: Error #1009: Cannot access a property or method of a null object reference.
at com::menu()
here is my code:
if(!menuLoader){
var menuRequest:URLRequest = new URLRequest("menu.swf");
var menuLoader:Loader = new Loader();
menuLoader.load(menuRequest);
container.addChild(menuLoader);
menuLoader.x = 700;
menuLoader.y = 50;
can anyone give me a helping hand?
thanks in advance.use:
here is my code:
if(menuLoader!=null){
var menuRequest:URLRequest = new URLRequest("menu.swf");
var menuLoader:Loader = new Loader();
menuLoader.load(menuRequest);
container.addChild(menuLoader);
menuLoader.x = 700;
menuLoader.y = 50; -
Is there a known bug when displaying a chart component that is defined in a module. When attempting to display a chart component defined in a module it crashes indicating Error #1009: Cannot access a property or method of a null object reference.
It crashes at the following location in ChartBase.as. Somehow when loading the chart the styleManager.getStyleDeclaration("mx.charts.chartClasses.ChartBase"); returns null so when using the setStyle methods the exception occurs.
private function initStyles():Boolean
HaloDefaults.init(styleManager);
var chartBaseStyle:CSSStyleDeclaration = styleManager.getStyleDeclaration("mx.charts.chartClasses.ChartBase");
chartBaseStyle.setStyle("chartSeriesStyles", HaloDefaults.chartBaseChartSeriesStyles);
chartBaseStyle.setStyle("fill", new SolidColor(0xFFFFFF, 0));
chartBaseStyle.setStyle("calloutStroke", new SolidColorStroke(0x888888,2));
return true;
Added note: There is a chart component in the application that works fine. The only way I can get the chart in the module to display is to add the following workaround preinitializer but it severly impacts the loading of the module. Is there a way around this.
protected function preinitializeHandler(event:FlexEvent):void
var styleObjects:Array = FlexGlobals.topLevelApplication.styleManager.selectors;
for each(var styleObj:String in styleObjects) {
var style:CSSStyleDeclaration = FlexGlobals.topLevelApplication.styleManager.getStyleDeclaration(styleObj);
styleManager.setStyleDeclaration(styleObj, style, true);
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.charts.chartClasses::ChartBase/initStyles()[E:\dev\4.y\frameworks\projects\charts\src\ mx\charts\chartClasses\ChartBase.as:1862]
at mx.charts.chartClasses::ChartBase/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\ChartBas e.as:1894]
at mx.charts.chartClasses::PolarChart/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\PolarCha rt.as:223]
at mx.charts::PieChart/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\PieChart.as:203]
at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Group.as:1590]
at spark.components::Group/addElementAt()[E:\dev\4.y\frameworks\projects\spark\src\spark\com ponents\Group.as:1387]
at spark.components::SkinnableContainer/addElementAt()[E:\dev\4.y\frameworks\projects\spark\ src\spark\components\SkinnableContainer.as:775]
at mx.states::AddItems/addItemsToContentHolder()[E:\dev\4.y\frameworks\projects\framework\sr c\mx\states\AddItems.as:782]
at mx.states::AddItems/apply()[E:\dev\4.y\frameworks\projects\framework\src\mx\states\AddIte ms.as:563]
at mx.core::UIComponent/applyState()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UI Component.as:10741]
at mx.core::UIComponent/commitCurrentState()[E:\dev\4.y\frameworks\projects\framework\src\mx \core\UIComponent.as:10487]
at mx.core::UIComponent/setCurrentState()[E:\dev\4.y\frameworks\projects\framework\src\mx\co re\UIComponent.as:10323]
at mx.core::UIComponent/set currentState()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UIComponent.as:6425]
at BloodPressure/bloodpressureDg_selectionChangeHandler()[C:\Users\Mark\Adobe Flash Builder 4.7\BiometricsFlexProject\src\BloodPressure.mxml:311]
at BloodPressure/__bloodpressureDg_selectionChange()[C:\Users\Mark\Adobe Flash Builder 4.7\BiometricsFlexProject\src\BloodPressure.mxml:41]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.y\frameworks\projects\framework\src\mx\core \UIComponent.as:13152]
at spark.components::DataGrid/commitInteractiveSelection()[E:\dev\4.y\frameworks\projects\sp ark\src\spark\components\DataGrid.as:3634]
at spark.components::DataGrid/setSelectionAnchorCaret()[E:\dev\4.y\frameworks\projects\spark \src\spark\components\DataGrid.as:4210]
at spark.components::DataGrid/grid_mouseDownHandler()[E:\dev\4.y\frameworks\projects\spark\s rc\spark\components\DataGrid.as:4679]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.y\frameworks\projects\framework\src\mx\core \UIComponent.as:13152]
at spark.components::Grid/dispatchGridEvent()[E:\dev\4.y\frameworks\projects\spark\src\spark \components\Grid.as:4038]
at spark.components::Grid/grid_mouseDownDragUpHandler()[E:\dev\4.y\frameworks\projects\spark \src\spark\components\Grid.as:3883]
at Function/<anonymous>()[E:\dev\4.y\frameworks\projects\spark\src\spark\utils\MouseEventUti l.as:84]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.managers::SystemManager/mouseEventHandler()[E:\dev\4.y\frameworks\projects\framework\s rc\mx\managers\SystemManager.as:2918]It appears as though this error has been going on for a while. See the following link http://forums.adobe.com/thread/941849
-
I want to paging this data from my table but i get this error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
public function retrieveData():void
var stmt:SQLStatement = new SQLStatement();
stmt.sqlConnection = sqlConn;
sqlConn.addEventListener(SQLErrorEvent.ERROR, errorHandler);
stmt.addEventListener(SQLEvent.RESULT, selectResult);
stmt.text = "SELECT * FROM empleado";
stmt.execute(2);
var result:SQLResult = stmt.getResult();
acEmpleados = new ArrayCollection(result.data);
private function selectResult(event:SQLEvent):void
var stmt:SQLStatement = new SQLStatement();
stmt.sqlConnection = sqlConn;
var result:SQLResult = stmt.getResult();
if (result.data != null)
if (!result.complete)
stmt.next(2);
else
stmt.removeEventListener(SQLEvent.RESULT, selectResult);
What do i have to do?I solved the issue by getting rid of the creationCompleteHandler event handlers for the KPI charts. But, since I am just days into flex development, I would be indebted if someone could explain to me why that was creating problems.
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