Android之SharedPreference

// by pbImage// 2012-03-26package com.pbAndroid.SharePref;import android.app.Activity;import android.content.SharedPreferences;import android.content.SharedPreferences.Editor;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;import android.widget.Toast;public class pbSharedPref extends Activity {EditText edit_userName = null;EditText edit_passWord = null;Button button_Save = null;Button button_Open = null;String userName = null;String passWord = null;String get_userName = null;String get_passWord = null;    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState)     {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                edit_userName = (EditText)findViewById(R.id.Edit_userName);        edit_passWord = (EditText)findViewById(R.id.Edit_passWord);                button_Save = (Button)findViewById(R.id.Button_Save);        button_Open = (Button)findViewById(R.id.Button_Open);        OnClickListener saveListener = new View.OnClickListener() {  //保存事件监听public void onClick(View v) {// TODO Auto-generated method stubSharedPreferences pbSharePref = getSharedPreferences("pbSharePref", MODE_PRIVATE);Editor pbEditor = pbSharePref.edit();userName = edit_userName.getText().toString();passWord = edit_passWord.getText().toString();pbEditor.putString("save_userName", userName);pbEditor.putString("save_passWord", passWord);pbEditor.commit();Toast.makeText(pbSharedPref.this, "save success!", Toast.LENGTH_SHORT).show();}};OnClickListener openListener = new View.OnClickListener() {  //打开事件监听public void onClick(View v) {// TODO Auto-generated method stubSharedPreferences pbSharePref = getSharedPreferences("pbSharePref", MODE_PRIVATE);get_userName = pbSharePref.getString("save_userName", "");get_passWord = pbSharePref.getString("save_passWord", "");Toast.makeText(pbSharedPref.this, "帐号: " + get_userName + " 密码: " + get_passWord , Toast.LENGTH_LONG).show();}};button_Save.setOnClickListener(saveListener);button_Open.setOnClickListener(openListener);    }}

 

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/label_userName" />    <EditText        android:hint=""        android:id="@+id/Edit_userName"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text=""/>    <TextView         android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="@string/label_passWord"/>    <EditText         android:hint=""        android:id="@+id/Edit_passWord"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text=""        android:password="true"/>    <Button         android:id="@+id/Button_Save"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="@string/button_Save"/>    <Button         android:id="@+id/Button_Open"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="@string/button_Open"/></LinearLayout>

//>>>>>>>>>>>>>>>>>>>>>结果>>>>>>>>>>>>>>>>>>>

                                           图1 点击【保存>>】

                                               图2 点击【打开>>】