java - JavaFX Controller not defined in root element -
i'm new javafx, i'm using scenebuilder,it's supposed display text area, button , list. have controller class :
package gui; import java.net.url; import java.util.resourcebundle; import javafx.event.actionevent; import javafx.fxml.fxml; import javafx.fxml.initializable; import javafx.scene.control.button; import javafx.scene.control.listview; import javafx.scene.control.textarea; public class commentairecontroller implements initializable { /** * initializes controller class. */ @override public void initialize(url url, resourcebundle rb) { // todo } @fxml private listview lvcom; @fxml private text area txtacom; @fxml private button buttoncom; @fxml private void buttoncomonaction (actionevent event) { txtacom.settext("test"); } } and fxml file :
<?xml version="1.0" encoding="utf-8"?> <?import java.lang.*?> <?import java.util.*?> <?import javafx.scene.control.*?> <?import javafx.scene.layout.*?> <?import javafx.scene.paint.*?> <?import javafx.scene.text.*?> <anchorpane id="anchorpane" maxheight="-infinity" maxwidth="-infinity" minheight="-infinity" minwidth="-infinity" prefheight="400.0" prefwidth="600.0" style=" -fx-background-color:	#c0c0c0;" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/2.2"> <children> <textarea fx:id="actiontarget" depthtest="inherit" layoutx="14.0" layouty="319.0" prefheight="60.0" prefwidth="403.0" wraptext="true" /> <listview layoutx="10.0" layouty="14.0" prefheight="272.0" prefwidth="579.0000999999975" /> <scrollbar layoutx="573.0" layouty="14.0" orientation="vertical" prefheight="272.0" /> <button fx:id="buttoncom" layoutx="428.0" layouty="326.0" mnemonicparsing="false" onaction="buttoncomonaction" prefheight="46.0" prefwidth="161.0" text="commenter" textfill="#152020"> <font> <font name="aharoni bold" size="15.0" /> </font> </button> </children> </anchorpane> when run project exception log :
exception in application start method java.lang.reflect.invocationtargetexception @ sun.reflect.nativemethodaccessorimpl.invoke0(native method) @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62) @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43) @ java.lang.reflect.method.invoke(method.java:497) @ com.sun.javafx.application.launcherimpl.launchapplicationwithargs(launcherimpl.java:389) @ com.sun.javafx.application.launcherimpl.launchapplication(launcherimpl.java:328) @ sun.reflect.nativemethodaccessorimpl.invoke0(native method) @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62) @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43) @ java.lang.reflect.method.invoke(method.java:497) @ sun.launcher.launcherhelper$fxhelper.main(launcherhelper.java:767) caused by: java.lang.runtimeexception: exception in application start method @ com.sun.javafx.application.launcherimpl.launchapplication1(launcherimpl.java:917) @ com.sun.javafx.application.launcherimpl.lambda$launchapplication$156(launcherimpl.java:182) @ java.lang.thread.run(thread.java:745) caused by: javafx.fxml.loadexception: error resolving onaction='buttoncomonaction', either event handler not in namespace or there error in script. /c:/users/hadhe/documents/netbeansprojects/crowdrisee/build/classes/gui/commentaire.fxml:19 @ javafx.fxml.fxmlloader.constructloadexception(fxmlloader.java:2597) @ javafx.fxml.fxmlloader.access$100(fxmlloader.java:103) @ javafx.fxml.fxmlloader$element.processeventhandlerattributes(fxmlloader.java:610) @ javafx.fxml.fxmlloader$valueelement.processendelement(fxmlloader.java:770) @ javafx.fxml.fxmlloader.processendelement(fxmlloader.java:2823) @ javafx.fxml.fxmlloader.loadimpl(fxmlloader.java:2532) @ javafx.fxml.fxmlloader.loadimpl(fxmlloader.java:2441) @ javafx.fxml.fxmlloader.loadimpl(fxmlloader.java:3214) @ javafx.fxml.fxmlloader.loadimpl(fxmlloader.java:3175) @ javafx.fxml.fxmlloader.loadimpl(fxmlloader.java:3148) @ javafx.fxml.fxmlloader.loadimpl(fxmlloader.java:3124) @ javafx.fxml.fxmlloader.loadimpl(fxmlloader.java:3104) @ javafx.fxml.fxmlloader.load(fxmlloader.java:3097) @ gui.main.start(main.java:24) @ com.sun.javafx.application.launcherimpl.lambda$launchapplication1$163(launcherimpl.java:863) @ com.sun.javafx.application.platformimpl.lambda$runandwait$176(platformimpl.java:326) @ com.sun.javafx.application.platformimpl.lambda$null$174(platformimpl.java:295) @ java.security.accesscontroller.doprivileged(native method) @ com.sun.javafx.application.platformimpl.lambda$runlater$175(platformimpl.java:294) @ com.sun.glass.ui.invokelaterdispatcher$future.run(invokelaterdispatcher.java:95) @ com.sun.glass.ui.win.winapplication._runloop(native method) @ com.sun.glass.ui.win.winapplication.lambda$null$149(winapplication.java:191) ... 1 more exception running application gui.main c:\users\hadhe\documents\netbeansprojects\crowdrisee\nbproject\build-impl.xml:1039: following error occurred while executing line: c:\users\hadhe\documents\netbeansprojects\crowdrisee\nbproject\build-impl.xml:804: java returned: 1 build failed (total time: 3 seconds) any possible solutions?
try changing:
onaction="buttoncomonaction" to
onaction="#buttoncomonaction" in button's element within fxml layout.
plus, need specify handler controller on root element:
<anchorpane fx:controller="gui.commentairecontroller" ... 
Comments
Post a Comment