我的程序如何从RES文件中读取字符串？

import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.TypedValue;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Resources res = getResources();
        XmlResourceParser xml = res.getXml(R.xml.strings);

        try {
            int eventType = xml.getEventType();
            while (eventType != XmlResourceParser.END_DOCUMENT) {
                if (eventType == XmlResourceParser.START_TAG) {
                    String strName = xml.getName();
                    String strValue = xml.nextText();
                    System.out.println("String Name: " + strName);
                    System.out.println("String Value: " + strValue);
                }
                eventType = xml.next();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}