Android编程之SharedPreferences文件存储操作实例分析

package com.test.sharedpreferences; 
import android.app.Activity; 
import android.content.Context; 
import android.content.SharedPreferences; 
import android.os.Bundle; 
import android.widget.TextView; 
public class test_sharedpreferences extends Activity 
{ 
 SharedPreferences file; 
 SharedPreferences.Editor editor; 
 TextView text; 
 /** Called when the activity is first created. */ 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  setContentView(R.layout.main); 
  //获得配置文件 
  file = getSharedPreferences("test_config", 0); 
  editor = file.edit(); 
  //写入配置：Id:10000 Name:Jdh 
  editor.putInt("Id", 10000); 
  editor.putString("Name", "Jdh"); 
  editor.commit(); 
  //读取配置 
  int id = 0; 
  id = file.getInt("Id", 0); 
  String str; 
  str = file.getString("Name", null); 
  text = (TextView)findViewById(R.id.textView1); 
  text.setText("Id:" + id + " Name:" + str); 
 } 
}