Android读取对应的键值

Android读取对应的键值

• 标签：获得键值　更新时间：2014-04-16

• Android读取对应的键值代码，可获得当前的SharedPreferences对象，获取消息，将键值对写入配置文件，编辑SharedPreferences对象，插入和提交数据等功能。

  01	import android.app.Activity;

  02	import android.content.SharedPreferences;

  03	public class MySharedPreferences {

  04

  /**

  05

  * 读取对应的键值

  06	* @param key

  07	* @return String

  08

  */

  09	public static int readMessage(Activity acivity,String key, int value) {

  10	//获得当前的SharedPreferences对象

  11	SharedPreferences message = acivity.getPreferences(Activity.MODE_PRIVATE);

  12

  //获取消息

  13	int tmp = message.getInt(key, value);

  14	return tmp;

  15

  }

  16

  /**

  17	* 将键值对写入配置文件

  18	* @param key

  19	* @param value

  20

  */

  21	public static void writeMessage(Activity acivity,String key, int value) {

  22	//创建一个SharedPreferences对象

  23	SharedPreferences message = acivity.getPreferences(0);

  24	//编辑SharedPreferences对象

  25	SharedPreferences.Editor editor = message.edit();

  26

  //插入一个数据

  27	editor.putInt(key, value);

  28

  //提交数据

  29	editor.commit();

  30

  }

  31	public static String readMessage(Activity acivity,String key, String value) {

  32	SharedPreferences message = acivity.getPreferences(Activity.MODE_PRIVATE);

  33	String text = message.getString(key, value);

  34	return text;

  35

  }

  36	public static void writeMessage(Activity acivity,String key, String value) {

  37	SharedPreferences message = acivity.getPreferences(0);

  38	SharedPreferences.Editor editor = message.edit();

  39	editor.putString(key, value);

  40	editor.commit();

  41

  }

  42

  }