Hi, im getting this exception when i click in any button with a attached method
[java]
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker callMethod
Advertencia: Exception: java.lang.reflect.InvocationTargetException
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: sun.reflect.NativeMethodAccessorImpl invoke0 (NativeMethodAccessorImpl.java:-2)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: sun.reflect.NativeMethodAccessorImpl invoke (NativeMethodAccessorImpl.java:57)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: sun.reflect.DelegatingMethodAccessorImpl invoke (DelegatingMethodAccessorImpl.java:43)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: java.lang.reflect.Method invoke (Method.java:606)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.NiftyMethodInvoker callMethod (NiftyMethodInvoker.java:145)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.NiftyMethodInvoker performInvoke (NiftyMethodInvoker.java:104)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty$DelayedMethodInvoke perform (Nifty.java:1174)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty invokeMethods (Nifty.java:1152)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty handleDynamicElements (Nifty.java:354)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty access$1700 (Nifty.java:77)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty$NiftyInputConsumerImpl processEvent (Nifty.java:1374)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty$NiftyInputConsumerImpl processMouseEvent (Nifty.java:1329)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme handleMouseEvent (InputSystemJme.java:124)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme onMouseButtonEventQueued (InputSystemJme.java:232)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme forwardEvents (InputSystemJme.java:296)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty update (Nifty.java:288)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme endInput (InputSystemJme.java:113)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.input.InputManager processQueue (InputManager.java:819)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.input.InputManager update (InputManager.java:883)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.app.Application update (Application.java:604)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.app.SimpleApplication update (SimpleApplication.java:231)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.system.lwjgl.LwjglAbstractDisplay runLoop (LwjglAbstractDisplay.java:151)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.system.lwjgl.LwjglDisplay runLoop (LwjglDisplay.java:185)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.system.lwjgl.LwjglAbstractDisplay run (LwjglAbstractDisplay.java:228)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: java.lang.Thread run (Thread.java:744)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: Root Cause: java.lang.NullPointerException
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: mygame.MainMenuState quit (MainMenuState.java:67)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: sun.reflect.NativeMethodAccessorImpl invoke0 (NativeMethodAccessorImpl.java:-2)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: sun.reflect.NativeMethodAccessorImpl invoke (NativeMethodAccessorImpl.java:57)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: sun.reflect.DelegatingMethodAccessorImpl invoke (DelegatingMethodAccessorImpl.java:43)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: java.lang.reflect.Method invoke (Method.java:606)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.NiftyMethodInvoker callMethod (NiftyMethodInvoker.java:145)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.NiftyMethodInvoker performInvoke (NiftyMethodInvoker.java:104)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty$DelayedMethodInvoke perform (Nifty.java:1174)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty invokeMethods (Nifty.java:1152)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty handleDynamicElements (Nifty.java:354)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty access$1700 (Nifty.java:77)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty$NiftyInputConsumerImpl processEvent (Nifty.java:1374)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty$NiftyInputConsumerImpl processMouseEvent (Nifty.java:1329)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme handleMouseEvent (InputSystemJme.java:124)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme onMouseButtonEventQueued (InputSystemJme.java:232)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme forwardEvents (InputSystemJme.java:296)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: de.lessvoid.nifty.Nifty update (Nifty.java:288)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.niftygui.InputSystemJme endInput (InputSystemJme.java:113)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.input.InputManager processQueue (InputManager.java:819)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.input.InputManager update (InputManager.java:883)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.app.Application update (Application.java:604)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.app.SimpleApplication update (SimpleApplication.java:231)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.system.lwjgl.LwjglAbstractDisplay runLoop (LwjglAbstractDisplay.java:151)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.system.lwjgl.LwjglDisplay runLoop (LwjglDisplay.java:185)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: com.jme3.system.lwjgl.LwjglAbstractDisplay run (LwjglAbstractDisplay.java:228)
ago 03, 2014 9:34:22 PM de.lessvoid.nifty.NiftyMethodInvoker logException
Advertencia: java.lang.Thread run (Thread.java:744)
[/java]
I don’t know why , i have check the xml and the java code and its looks right.
[java]
public class MainMenuState extends AbstractAppState implements ScreenController{
private SimpleApplication app;
private AppStateManager stateManager;
private NiftyJmeDisplay jmedisplay;
private Nifty nifty;
@Override
public void initialize(AppStateManager stateManager, Application app) {
super.initialize(stateManager, app);
this.app = (SimpleApplication) app;
this.stateManager = stateManager;
//add gui
jmedisplay = new NiftyJmeDisplay(this.app.getAssetManager(),this.app.getInputManager(),this.app.getAudioRenderer(),this.app.getViewPort());
jmedisplay.getNifty().fromXml("Interface/mainmenuscreen.xml", "MainMenu");
nifty = jmedisplay.getNifty();
this.app.getGuiViewPort().addProcessor(jmedisplay);
}
@Override
public void update(float tpf) {
super.update(tpf);
}
@Override
public void cleanup() {
super.cleanup(); //To change body of generated methods, choose Tools | Templates.
this.app.getGuiViewPort().removeProcessor(jmedisplay);
}
public void bind(Nifty nifty, Screen screen) {
}
public void onStartScreen() {
}
public void onEndScreen() {
}
public void changeScreen(String screen){
nifty.gotoScreen(screen);
}
public void quit(){
this.app.stop();
}
}
[/java]
[java]
<?xml version=“1.0” encoding=“UTF-8” standalone=“yes”?>
<nifty xmlns=“http://nifty-gui.sourceforge.net/nifty-1.3.xsd” xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance” xsi:schemaLocation=“http://nifty-gui.sourceforge.net/nifty-1.3.xsd http://nifty-gui.sourceforge.net/nifty-1.3.xsd”>
<useControls filename=“nifty-default-controls.xml”/>
<useStyles filename=“nifty-default-styles.xml”/>
<screen id=“MainMenu” controller=“mygame.MainMenuState” >
<layer id="GLayer6" backgroundImage="Interface/mainMenuBackground.jpg" childLayout="absolute">
<control name="button" id="newgamebutton" height="7%" backgroundColor="#ffffff32" width="40%" label="New Game" childLayout="center" y="35%" x="30%" align="center" visibleToMouse="true">
<interact onClick="startGame()"/>
</control>
<control name="button" id="howtoplaybutton" height="7%" backgroundColor="#ffffff32" width="40%" label="How To Play" childLayout="center" y="45%" x="30%" align="center" visibleToMouse="true">
<interact onClick="changeScreen(HowToPlay)"/>
</control>
<control name="button" id="optionsbutton" height="7%" backgroundColor="#ffffff32" width="40%" label="Options" childLayout="center" y="55%" x="30%" align="center" visibleToMouse="true">
<interact onClick="changeScreen(OptionsMenu)"/>
</control>
<control name="button" id="scoresbutton" height="7%" backgroundColor="#ffffff32" width="40%" label="Scores" childLayout="center" y="65%" x="30%" align="center" visibleToMouse="true">
<interact onClick="changeScreen(Scores)"/>
</control>
<control name="button" id="creditsbutton" height="7%" backgroundColor="#ffffff32" width="40%" label="Credits" childLayout="center" y="75%" x="30%" align="center" visibleToMouse="true">
<interact onClick="changeScreen(Credits)"/>
</control>
<control name="button" id="quitbutton" height="7%" backgroundColor="#ffffff32" width="40%" label="Quit" childLayout="center" y="85%" x="30%" align="center" visibleToMouse="true">
<interact onClick="quit()"/>
</control>
</layer>
</screen>
<screen id="OptionsMenu" controller="mygame.MainMenuState" >
<layer id="GLayer6" backgroundImage="Interface/mainMenuBackground.jpg" childLayout="absolute">
</layer>
</screen>
<screen id="HowToPlay" controller="mygame.MainMenuState" >
<layer id="GLayer6" backgroundImage="Interface/mainMenuBackground.jpg" childLayout="absolute">
</layer>
</screen>
<screen id="Scores" controller="mygame.MainMenuState" >
<layer id="GLayer6" backgroundImage="Interface/mainMenuBackground.jpg" childLayout="absolute">
</layer>
</screen>
<screen id="Credits" controller="mygame.MainMenuState" >
<layer id="GLayer6" backgroundImage="Interface/mainMenuBackground.jpg" childLayout="absolute">
</layer>
</screen>
</nifty>
[/java]