android 简单的存储方式SharedPreferences

布局文件：main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
   
	<!-- 姓名标签 -->
	<TextView
		android:id="@+id/nameText"  
	    android:layout_width="wrap_content" 
	    android:layout_height="wrap_content"
	    android:layout_alignParentLeft="true"
	    android:layout_alignParentTop="true"
	    android:layout_marginTop="10px"
	    android:textStyle="bold"
	    android:text="@string/name"
	/>
	 <!-- 姓名输入框 -->
	<EditText
		android:id="@+id/nameEdit"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:layout_toRightOf="@id/nameText"
		android:layout_alignTop="@id/nameText"
	/>
	<!-- 电话 -->
	<TextView
		android:id="@+id/telText"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:layout_below="@id/nameEdit"
		android:layout_alignParentLeft="true"
		android:textStyle="bold"
		android:text="@string/tel"
	/>
	<!-- 电话输入框 -->
	<EditText
		android:id="@+id/telEdit"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:layout_toRightOf="@id/telText"
		android:layout_alignTop="@id/telText"
	/>
	<!--  反馈内容  -->
	<TextView
		android:id="@+id/contentText"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:layout_below="@id/telEdit"
		android:layout_alignParentLeft="true"
		android:textStyle="bold"
		android:text="@string/content"
	/>
	<!-- 反馈输入框 -->
	<EditText
		android:id="@+id/contentEdit"
		android:layout_width="fill_parent"
		android:layout_height="120px"
		android:layout_toRightOf="@id/contentText"
		android:layout_alignTop="@id/contentText"
	/>
</RelativeLayout>

MainActivity:

import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity {
    private EditText nameEdit;
    private EditText telEdit;
    private EditText contentEdit;
    private final String PREFERENCES_NAME="feedback";
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        nameEdit=(EditText)findViewById(R.id.nameEdit);
        telEdit=(EditText)findViewById(R.id.telEdit);
        contentEdit=(EditText)findViewById(R.id.contentEdit);
        
        SharedPreferences mySharedPreferences=getSharedPreferences(PREFERENCES_NAME,MODE_PRIVATE);
        nameEdit.setText(mySharedPreferences.getString("name",""));
        telEdit.setText(mySharedPreferences.getString("tel",""));
    }
    @Override
    public void onStop(){
    	SharedPreferences mySharedPreferences=getSharedPreferences(PREFERENCES_NAME,MODE_PRIVATE);
    	SharedPreferences.Editor editor=mySharedPreferences.edit();
    	editor.putString("name",nameEdit.getText().toString());
    	editor.putString("tel",telEdit.getText().toString());
    	
    	editor.commit();
    	super.onStop();
    }
}

工程下载：http://good.gd/1036229.htm