Java跨文件传输数据

package com.cuthead.hanna;

import java.io.Reader;
import java.io.StringReader;

import android.app.ListActivity;
import android.os.Bundle;

public class MainActivity extends ListActivity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        refreshFeedsStatic();
    }       	
	private static void refreshFeedsStatic() {
		{
			hitler hitler = new hitler();
			String str = "updated";
			Reader reader = new StringReader(new String(str));
			hitler.setReader(reader);
		}
}
}

　　

package com.cuthead.hanna;

import java.io.Reader;

import org.xml.sax.helpers.DefaultHandler;


public class hitler extends DefaultHandler { 
	Reader reader;
	public void setReader(Reader reader) {
		this.reader = reader;
	}
}