android中PreferenceScreen在activity中出错

[sad67]

package com.cn.pioneer.musicdream;

import android.app.Activity;

import android.os.Bundle;

public class Setactivity extends Activity{

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.set);
}
}
为什么会发生set cannot be resolved or is not a field，或者xml cannot be resolved or is not a field
这怎么解决？

[liudashao0]

你把addPreferencesFromResource改成setContentView试一试。

[sad67]

没用，用了之后运行，程序会遇见错误意外停止

[liudashao0]

setContentView(R.layout.set)