1、为了找出原因，新建一个activity。2、确保布局、资源文件没错，然后rebuild。R文件仍然找不到，那么就需要深入排查，深入排查修改项目下的build.gradle中的buildscript-> dependencies->classpath 的值。3、新建一个新的项目，复制那个值（其实就是当前使用的Android studio版本）到这里，然后rebuild。4、...
“cannot resolve symbol ”意思是不能解决的符号，你程序出现的错误是类JFO没导入，而且也没定义。所以程序会报错。
Cannot resolve symbol KeyEventCompat(android.support.v4.view.KeyEventCompat找不到) 解决方案 KeyEventCompat类(我项目中用它的hasNoModifiers方法)最后查看源码 才知道这个hasNoModifiers方法已经被KeyEvent实现了。 贴出源码: publicbooleanexecuteKeyEvent(KeyEventevent){//报错地方// The focus finder had a b...
symbol : class WindowAdaptor location: class EditorPaneFrame addWindowListener(new WindowAdaptor() ^ EditorPaneFrame.java:45: cannot resolve symbol symbol : method addActionListner (<anonymous java.awt.event.ActionListener> location: class javax.swing.JButton ...
From what I see thus far you have not defined the event listener. Have you defined it elsewhere? You can define an anonymous listener like this: showFactButton.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// Your code goes here.}}...
Re: Cannot resolve symbol Howzit Joe!, thanx for replying.. I'm doing this: Code: import java.applet.*; import java.awt.*; import java.awt.event.*; import java.awt.image.ImageObserver; import java.net.URL; import java.awt.LayoutManager; import java.awt.Dialog; import java.awt.Label...
JCO.Table packageHeaderExtra = objPinsTable.getField("EVENTS").getStructure().getField("EVENT").getTable(); ^ C:\Documents and Settings\jarrod.littlejohn\.dtc\3\DCs\mycomp.com\em\theapp\web\_comp\source\com\cpc\atp\handlers\JCOWrapper.java:26: cannot resolve symbol ...
import java.awt.event.*; import java.util.*; import java.io.*; class AppointmentPage extends JFrame implements ActionListener, ItemListener { ArrayList appointments = new ArrayList(); int[] listElement = new int[100]; String months[] = {"January", "February", "March", "April", "May"...
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