我正在尝试序列化AnswerObject（所以自定义对象）。但是当运行logcat时会给出：
01-30 13:27:15.553: W/System.err(230): java.io.IOException: Cannot serialize ratedroid.BusinessModels.CourseQuestionAnswer@44f4a920
01-30 13:27:15.604: W/System.err(230): at org.xmlrpc.android.XMLRPCSerializer.serialize(XMLRPCSerializer.java:105)
01-30 13:27:15.604: W/System.err(230): at org.xmlrpc.android.XMLRPCSerializer.serialize(XMLRPCSerializer.java:67)
01-30 13:27:15.604: W/System.err(230): at org.xmlrpc.android.XMLRPCCommon.serializeParams(XMLRPCCommon.java:36)
01-30 13:27:15.604: W/System.err(230): at org.xmlrpc.android.XMLRPCClient.methodCall(XMLRPCClient.java:376)
01-30 13:27:15.604: W/System.err(230): at org.xmlrpc.android.XMLRPCClient.callEx(XMLRPCClient.java:287)
01-30 13:27:15.623: W/System.err(230): at org.xmlrpc.android.XMLRPCClient.call(XMLRPCClient.java:424)
01-30 13:27:15.623: W/System.err(230): at nl.purened.ratedroid.RDSC.sendAnswers(RDSC.java:61)
01-30 13:27:15.623: W/System.err(230): at nl.purened.ratedroid.QuestionActivity$1.onClick(QuestionActivity.java:94)
01-30 13:27:15.623: W/System.err(230): at android.view.View.performClick(View.java:2364)
01-30 13:27:15.643: W/System.err(230): at android.view.View.onTouchEvent(View.java:4179)
01-30 13:27:15.643: W/System.err(230): at android.view.View.dispatchTouchEvent(View.java:3709)
01-30 13:27:15.643: W/System.err(230): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)
01-30 13:27:15.643: W/System.err(230): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)
01-30 13:27:15.653: W/System.err(230): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)
01-30 13:27:15.663: W/System.err(230): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884)
01-30 13:27:15.663: W/System.err(230): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659)
01-30 13:27:15.663: W/System.err(230): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107)
01-30 13:27:15.663: W/System.err(230): at android.app.Activity.dispatchTouchEvent(Activity.java:2061)
01-30 13:27:15.673: W/System.err(230): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643)
01-30 13:27:15.683: W/System.err(230): at android.view.ViewRoot.handleMessage(ViewRoot.java:1691)
01-30 13:27:15.683: W/System.err(230): at android.os.Handler.dispatchMessage(Handler.java:99)
01-30 13:27:15.683: W/System.err(230): at android.os.Looper.loop(Looper.java:123)
01-30 13:27:15.683: W/System.err(230): at android.app.ActivityThread.main(ActivityThread.java:4363)
01-30 13:27:15.693: W/System.err(230): at java.lang.reflect.Method.invokeNative(Native Method)
01-30 13:27:15.723: W/System.err(230): at java.lang.reflect.Method.invoke(Method.java:521)
01-30 13:27:15.723: W/System.err(230): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
01-30 13:27:15.723: W/System.err(230): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
01-30 13:27:15.723: W/System.err(230): at dalvik.system.NativeStart.main(Native Method)
ERROR。
目标代码：
package ratedroid.BusinessModels;
import java.io.Serializable;
/**
* The Class Answer.
*/
public class Answer implements Serializable{
/** The Constant serial version uid. */
private static final long serialVersionUID = -6084272301017779054L;
/** The id. */
private int id;
/** The answer. */
private String answer;
/**
* Instantiates a new answer.
*/
public Answer() {}
/**
* Instantiates a new answer.
*
* @param answer the answer
*/
public Answer(String answer) {
super();
this.answer = answer;
}
/**
* Gets the serial version uid.
*
* @return the serial version uid
*/
public static long getSerialversionuid() {
return serialVersionUID;
}
/**
* Gets the id.
*
* @return the id
*/
public int getId() {
return id;
}
/**
* Gets the answer.
*
* @return the answer
*/
public String getAnswer() {
return answer;
}
/**
* Sets the id.
*
* @param id the new id
*/
public void setId(int id) {
this.id = id;
}
/**
* Sets the answer.
*
* @param answer the new answer
*/
public void setAnswer(String answer) {
this.answer = answer;
}
}
CourseQuestionAwnser代码：
package ratedroid.BusinessModels;
import java.io.Serializable;
//
/**
* The Class CourseQuestionAnswer.
*/
public class CourseQuestionAnswer implements Serializable{
/** The Constant serialVersionUID. */
private static final long serialVersionUID = 1873204218188105607L;
/** The id. */
private int id;
/** The course. */
private Course course;
/** The question. */
private Question question;
/** The answer. */
private Answer answer;
/**
* Instantiates a new course question answer.
*/
public CourseQuestionAnswer() {}
/**
* Instantiates a new course question answer.
*
* @param course the course
* @param question the question
* @param answer the answer
*/
public CourseQuestionAnswer(Course course, Question question, Answer answer) {
super();
this.course = course;
this.question = question;
this.answer = answer;
}
/**
* Gets the serialversionuid.
*
* @return the serialversionuid
*/
public static long getSerialversionuid() {
return serialVersionUID;
}
/**
* Gets the id.
*
* @return the id
*/
public int getId() {
return id;
}
/**
* Gets the course.
*
* @return the course
*/
public Course getCourse() {
return course;
}
/**
* Gets the question.
*
* @return the question
*/
public Question getQuestion() {
return question;
}
/**
* Gets the answer.
*
* @return the answer
*/
public Answer getAnswer() {
return answer;
}
/**
* Sets the id.
*
* @param id the new id
*/
public void setId(int id) {
this.id = id;
}
/**
* Sets the course.
*
* @param course the new course
*/
public void setCourse(Course course) {
this.course = course;
}
/**
* Sets the question.
*
* @param question the new question
*/
public void setQuestion(Question question) {
this.question = question;
}
/**
* Sets the answer.
*
* @param answer the new answer
*/
public void setAnswer(Answer answer) {
this.answer = answer;
}
}
我无法在任何地方找到解决方案......