Error 1172 trying to use mx.controls.List class

I am trying to write code in Action Script in Flex Builder 3
but I am having trouble using some of the classes in the mx
package. When I import like this:
import mx.managers.PopUpManager;
import mx.controls.List;
import flash.display.SimpleButton;
The SimpleButton imports just fine but for PopUpManager and
List, I get these errors:
1172: Definition mx.managers:PopUpManager could not be found.
1172: Definition mx.controls:List could not be found.
Other controls in the mx package seem to be available such as
mx.managers.IFocusManager (along with three other interfaces in
mx.managers.
Why is only part of the mx package available?

Hi,
I had a similar issue with the flash.desktop package. It
turned out I was running Flex Builder 3 Beta 2, not Flex Builder 3
Beta 3. I uninstalled Flex Builder, the Flex sdks & the Air
sdks & re-installed all the latest, that resolved the problem.
Hope this is some help.

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Hi Carl, Thanks for your time.
Below is the initial simple, unthreaded code, but when I try to run it I get this error :-
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Solved!
Go to Solution.

Charles_CLA wrote:
crossrulz wrote:
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With the default tunnels being output, your variant coming in could really be empty, therefore the conversion fails.
Are you stalking me today? Every single post I've clicked comment on, you beat me by a hair!
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0" >
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pasting the two xslts below:
*<?xml version="1.0" encoding="UTF-8" ?>*
*<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">*
*<xsl:output method="html"/>*
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*<html>*
*<body>*
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*</xsl:template>*
*<xsl:template match="entity name">*
*<entity-name align="center"><xsl:apply-templates/></entity-name>*
*</xsl:template>*
*<xsl:template match="instance label">*
*<instance-label align="center"><xsl:apply-templates/></instance-label>*
*</xsl:template>*
*<xsl:template match="attribute id">*
*<attribute-id><xsl:apply-templates/></attribute-id>*
*</xsl:template>*
*<xsl:template match="date-val">*
*<date-val><xsl:apply-templates/></date-val>*
*</xsl:template>*
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*</xsl:template>*
*<xsl:template match="unknown-val">*
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*</html>*
*</body>*
*</xsl:template>*
*</xsl:stylesheet>*
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*</xsl:for-each>*
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*</enityName>*
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*<unknown-val />*
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*</attribute>*
- <attribute id="S_Business_Organisation1">
*<text-val>1</text-val>*
*</attribute>*
- <attribute id="S_Date_Established1">
*<date-val>2010-01-01</date-val>*
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*<unknown-val />*
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*<uncertain-val />*
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*</attribute>*
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*<unknown-val />*
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- <attribute id="S_Previous_registered_names">
*<unknown-val />*
*</attribute>*
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*<unknown-val />*
*</attribute>*
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*</attribute>*
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*</attribute>*
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*<unknown-val />*
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*</attribute>*
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*<unknown-val />*
*</attribute>*
- <attribute id="S_Start_Up_Type">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Priority1">
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- <attribute id="S_Correspondence_address_same_Main_Trading">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Additional_Source_Capital">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Previous_Sort_Code">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Source_of_funds">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Choose_Start_Up1">
*<text-val>Start Up/New Entity/Businesses</text-val>*
*</attribute>*
- <attribute id="S_Registered_Country">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Fax_Number">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Contributer">
*<unknown-val />*
*</attribute>*
- <attribute id="S_business_organisations_annual_turnover1">
*<unknown-val />*
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- <attribute id="S_Previous_Account_number_Roll_Number">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Previous_registered_names1">
*<text-val />*
*</attribute>*
- <attribute id="b9@Rules_startuprule_doc">
*<unknown-val />*
*</attribute>*
- <attribute id="S_CIS_Record1">
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*</attribute>*
- <attribute id="S_Employees_Members1">
*<text-val>1-9</text-val>*
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- <attribute id="S_shareholders_Contributors">
*<unknown-val />*
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*<unknown-val />*
*</attribute>*
- <attribute id="Source_of_funds_non_Corporate">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Country_of_Incorporation">
*<unknown-val />*
*</attribute>*
- <attribute id="S_if_registered_address">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Date_Established">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Registration_Number">
*<unknown-val />*
*</attribute>*
- <attribute id="S_ID_VD">
*<unknown-val />*
*</attribute>*
- <attribute id="S_I_confirm_form_287">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Other_Investments">
*<unknown-val />*
*</attribute>*
- <attribute id="S_I_Confirm1">
*<text-val>Yes</text-val>*
*</attribute>*
- <attribute id="S_Date_Form_Lodged">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Registered_Address">
*<unknown-val />*
*</attribute>*
- <attribute id="S_Other_Type_of_Business">
*<unknown-val />*
*</attribute>*
- <attribute id="N_start_up_capital_business">
*<unknown-val />*
*</attribute>*
- <attribute id="N_Approx_transferring_balance">
*<unknown-val />*
*</attribute>*
*</instance>*
*</entity>*
*</session>*
Edited by: Sagnik on Dec 21, 2010 12:06 AM

Error when trying to use ImageIcon

Hi,
I am trying to use an ImageIcon to store an icon for plugins so that they can customize their menu and toolbar entries. I use a generic class, PaletteClass, to design all the plugins, and then extend PaletteClass to create individual plugins.
PaletteClass:
public class PaletteClass implements ItemListener{
      * PaletteClass
      * Superclass for the palettes in iKalk
      * @author Nathan Jarus
      * @version 0.1
     JFrame frame = new JFrame();//Window
     GridBagLayout layout = new GridBagLayout();
     GridBagConstraints constraints = new GridBagConstraints();
     JPanel main = new JPanel(layout);
     JToggleButton cmdTop = new JToggleButton("Stick to Top");
     //iKalk interface variables
     static String description = "Unnamed Plugin"; //Name of plugin
     ImageIcon icon = new ImageIcon(); //icon of plugin
     static boolean state = true; //is it visible?
     //static JToggleButton button = new JToggleButton(description, icon, state);
     static JToggleButton button;
     //static JToggleButton button = new JToggleButton(description, state);
     JCheckBoxMenuItem menu = new JCheckBoxMenuItem(description, icon, state);
     //boolean caret = false;//Used in determining when to clear the text box
     //boolean clear = false;
     //double tmp = 0;//Used in calculations
     //char op = ' ';//Used in calculations
     //Constructor
     PaletteClass(iKalk ikalk){
          setIcon("/images/generic.gif",ikalk,this);
          menu.addItemListener(this);
          //button.addItemListener(this);
          frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
          //frame.setLayout(new BorderLayout());
          try {
               UIManager.setLookAndFeel(iKalk.getLF());
          } catch (UnsupportedLookAndFeelException e) {
               JOptionPane.showMessageDialog(null,"How on earth did you get this message? Check for a virus. /n/nYour JRE has changed in the milliseconds that passed between the original loading of the program and this window loading!", "A message you should not be seeing", JOptionPane.ERROR_MESSAGE);
          constraints.fill = GridBagConstraints.BOTH;
          constraints.anchor = GridBagConstraints.CENTER;
          //Stick to Top button
          cmdTop.addItemListener(this);
          addComp(main, cmdTop, layout, constraints, 0, 0, 1, 1, 0, 100);
          //frame.add(main, BorderLayout.NORTH);
          //frame.setVisible(true);
          init();
          //updateGFX();
          //button = new JToggleButton(description, icon, state);
          //setIcon("/images/generic.gif",ikalk,this);
     public void init(){
          frame.setLayout(new BorderLayout());
          frame.add(main, BorderLayout.NORTH);
     //Item listener
     public void itemStateChanged(ItemEvent ie) {
          if(ie.getSource().equals(cmdTop)){
               if (frame.isAlwaysOnTop()){
                    frame.setAlwaysOnTop(false);
               else {
                    frame.setAlwaysOnTop(true);
          else if(ie.getSource().equals(button)){
               if(button.isSelected()){
                    setVisible(true);
               else{
                    setVisible(false);
          else if(ie.getSource().equals(menu)){
               if(menu.isSelected()){
                    setVisible(true);
               else{
                    setVisible(false);
     //Update the L&F
     public void updateGFX(){
          setVisible(false);
          SwingUtilities.updateComponentTreeUI(frame);
          SwingUtilities.updateComponentTreeUI(main);
          setVisible(true);
     //Decide whether or not the window is onscreen
     public boolean isShowing(){
          return frame.isVisible();
     public void setVisible(boolean v){
          frame.setVisible(v);
          state = isShowing();
     public void setVisible(){
          frame.setVisible(true);
          state = isShowing();
     /*Add a component to the gridbag layout
      *Args:
      *JPanel to                                   the JPanel to add the item to
      *Component what                         what to add
      *GridBagLayout layout                    the layout to add it to
      *GridBagConstraints constraints     the constraints to modify
      *int row                                   the row to add it to
      *int column                              the column to add it to
      *int numRows                              the number of rows the item crosses
      *int numCols                              the number of columns the item crosses
      *int weightX                              the x-weight of the item
      *int weightY                              the y-weight of the item
     public void addComp(JPanel to, Component what, GridBagLayout layout, GridBagConstraints constraints, int row, int column, int numRows, int numCols, int weightX, int weightY){
          //Set the constraint parameters
          constraints.gridx = column;
          constraints.gridy = row;
          constraints.gridwidth = numCols;
          constraints.gridheight = numRows;
          constraints.weightx = weightX;
          constraints.weighty = weightY;
          //Set these constraints in the layout
          layout.setConstraints(what, constraints);
          //Add the component
          to.add(what);
     public void setIcon(String path, iKalk ikalk, PaletteClass parent){
          parent.icon = new ImageIcon(ikalk.getClass().getResource(path));
}This is one of the classes that I have trouble with:
NumberPad:
public class NumberPad extends PaletteClass implements ActionListener{
     //Set up the objects so that I can access them from another method
     public NumberPad(iKalk ikalk){
          super(ikalk);
//Set the description
          description = "Number Pad";
          //setIcon("/images/NumberPad.gif", ikalk, this);
          button = new JToggleButton(description, icon, state);
//Set up the frame
          try {
               UIManager.setLookAndFeel(iKalk.getLF());
          } catch (UnsupportedLookAndFeelException e) {
               //JOptionPane.showMessageDialog(null,"How on earth did you get this message? Check for a virus. /n/nYour JRE has changed in the milliseconds that passed between the original loading of the program and this window loading!", "A message you should not be seeing", JOptionPane.ERROR_MESSAGE);
          frame.setSize(155,160);
          frame.setLocation(500,500);
          frame.setTitle(description);
          updateGFX();
//Set up the number entry pad
          JPanel panNumbers = new JPanel(new GridLayout(4,3));
          JButton cmd0 = new JButton("0");
          JButton cmd1 = new JButton("1");
          JButton cmd2 = new JButton("2");
          JButton cmd3 = new JButton("3");
          JButton cmd4 = new JButton("4");
          JButton cmd5 = new JButton("5");
          JButton cmd6 = new JButton("6");
          JButton cmd7 = new JButton("7");
          JButton cmd8 = new JButton("8");
          JButton cmd9 = new JButton("9");
          JButton cmdDec = new JButton(".");
          JButton cmdPM = new JButton("+/-");
          cmd0.addActionListener(this);
          cmd1.addActionListener(this);
          cmd2.addActionListener(this);
          cmd3.addActionListener(this);
          cmd4.addActionListener(this);
          cmd5.addActionListener(this);
          cmd6.addActionListener(this);
          cmd7.addActionListener(this);
          cmd8.addActionListener(this);
          cmd9.addActionListener(this);
          cmdDec.addActionListener(this);
          cmdPM.addActionListener(this);
          panNumbers.add(cmd7);
          panNumbers.add(cmd8);
          panNumbers.add(cmd9);
          panNumbers.add(cmd4);
          panNumbers.add(cmd5);
          panNumbers.add(cmd6);
          panNumbers.add(cmd1);
          panNumbers.add(cmd2);
          panNumbers.add(cmd3);
          panNumbers.add(cmd0);
          panNumbers.add(cmdDec);
          panNumbers.add(cmdPM);
          panNumbers.setVisible(true);
//Final adding and init
          super.addComp(main, panNumbers, layout, constraints, 1, 0, 4, 1, 0, 0);
          //super.setVisible();
          setIcon("/images/NumberPad.gif", ikalk, this);
     public void actionPerformed(ActionEvent ae) {
          if(ae.getActionCommand().equals("1")){
               Functions.addOne();
          else if(ae.getActionCommand().equals("2")){
               Functions.addTwo();
          else if(ae.getActionCommand().equals("3")){
               Functions.addThree();
          else if(ae.getActionCommand().equals("4")){
               Functions.addFour();
          else if(ae.getActionCommand().equals("5")){
               Functions.addFive();
          else if(ae.getActionCommand().equals("6")){
               Functions.addSix();
          else if(ae.getActionCommand().equals("7")){
               Functions.addSeven();
          else if(ae.getActionCommand().equals("8")){
               Functions.addEight();
          else if(ae.getActionCommand().equals("9")){
               Functions.addNine();
          else if(ae.getActionCommand().equals("0")){
               Functions.addZero();
          else if(ae.getActionCommand().equals(".")){
               Functions.addDec();
          else if(ae.getActionCommand().equals("+/-")){
               Functions.PlusMins();
     /*public void init(){
     public void main(String [] args){
}This is the code I use to load the plugins:
void addPlugin(PaletteClass plugin){
          //pluginsVector.addElement(plugin);
          //plugin.setVisible();
          //toolMain.add(PaletteClass.button);
          pluginsVector.addElement(plugin);
          SwingUtilities.invokeLater(new Runnable() {
               public void run() {
                    toolMain.add(PaletteClass.button);
     }When I load this code, I get the following error (in Eclipse SDK):
java.lang.reflect.InvocationTargetException
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
     at java.lang.reflect.Constructor.newInstance(Unknown Source)
     at iKalk.loadPlugin(iKalk.java:587)
     at iKalk.loadPlugins(iKalk.java:578)
     at iKalk.<init>(iKalk.java:466)
     at iKalk$4.run(iKalk.java:563)
     at java.awt.event.InvocationEvent.dispatch(Unknown Source)
     at java.awt.EventQueue.dispatchEvent(Unknown Source)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.NullPointerException
     at javax.swing.ImageIcon.<init>(Unknown Source)
     at PaletteClass.setIcon(PaletteClass.java:172)
     at NumberPad.<init>(NumberPad.java:82)
     ... 15 more
If anyone knows what I am doing wrong, I'd like to know. I've tried several ways to fix it (as you can probably tell from the commented out code), but none of them worked.
Sorry if my code isn't the cleanest; it's still in development =]
PS: is it just me or does the code button in the post dialog still not work correctly?
Thanks,
LinuxMercedes

Sorry for all the code. Here's a truncated version:
PaletteClass:
public class PaletteClass implements ItemListener{
     JFrame frame = new JFrame();//Window
     GridBagLayout layout = new GridBagLayout();
     GridBagConstraints constraints = new GridBagConstraints();
     JPanel main = new JPanel(layout);
     JToggleButton cmdTop = new JToggleButton("Stick to Top");
     static String description = "Unnamed Plugin"; //Name of plugin
     ImageIcon icon = new ImageIcon(); //icon of plugin
     static boolean state = true; //is it visible?
     static JToggleButton button;
     JCheckBoxMenuItem menu = new JCheckBoxMenuItem(description, icon, state);
     PaletteClass(iKalk ikalk){
          setIcon("/images/generic.gif",ikalk,this);
          init();
     public void init(){
          frame.setLayout(new BorderLayout());
          frame.add(main, BorderLayout.NORTH);
     public void setIcon(String path, iKalk ikalk, PaletteClass parent){
          parent.icon = new ImageIcon(ikalk.getClass().getResource(path));
}NumberPad:
public class NumberPad extends PaletteClass implements ActionListener{
     public NumberPad(iKalk ikalk){
          super(ikalk);
//Set the description
          description = "Number Pad";
          button = new JToggleButton(description, icon, state);
          setIcon("/images/NumberPad.gif", ikalk, this);
}Code I use to load Plugins:
void addPlugin(PaletteClass plugin){
          pluginsVector.addElement(plugin);
          SwingUtilities.invokeLater(new Runnable() {
               public void run() {
                    toolMain.add(PaletteClass.button);
}Oh yeah, and please don't go using this code in your projects without asking =]
Thanks (and my apologies again),
LinuxMercedes

Error 1172 trying to use mx.controls.List class

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