工具类

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SharedPreferences

import android.content.Context;
import android.content.SharedPreferences;

import java.util.ArrayList;
import java.util.List;

/**
 * 键值对存储
 * Created by load on 2015/10/21.
 */
public class SharePrefUtils {
    /**
     * 存储是否第一次运行
     *
     * @param context
     * @param b
     */
    public static void savaIsFirst(Context context, boolean b) {
        SharedPreferences preferences = context.getSharedPreferences("app", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putBoolean("app_IsFirst", b);
        editor.commit();
    }

    /**
     * 读取是否是第一次运行
     *
     * @param context
     * @return
     */
    public static boolean getIsFirst(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("app", Context.MODE_PRIVATE);
        return preferences.getBoolean("app_IsFirst", true);
    }


    /**
     * 存储用户ID
     *
     * @param context
     * @param token
     */
    public static void savaToken(Context context, String token) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putString("token", token);
        editor.commit();
    }

    /**
     * 读取用户ID
     *
     * @param context
     * @return
     */
    public static String getToken(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        return preferences.getString("token", null);
    }

    public static void savaTokenRef(Context context, String token) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putString("tokenRef", token);
        editor.commit();
    }

    /**
     * 读取用户ID
     *
     * @param context
     * @return
     */
    public static String getTokenRef(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        return preferences.getString("tokenRef", null);
    }



    /**
     * 存储搜索记录
     */
    public static void saveHistory(Context context, String histTxt) {
        if (isExitHistory(context, histTxt)) {
            return;
        }
        SharedPreferences preferences = context.getSharedPreferences("data", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putString("history_" + (getHistNum(context) + 1), histTxt);
        editor.putInt("history_Num", getHistNum(context) + 1);
        editor.commit();
    }

    /**
     * 删除历史记录
     *
     * @param context
     */
    public static void deleteHistory(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("data", Context.MODE_PRIVATE);
        preferences.edit().clear().commit();
    }

    private static boolean isExitHistory(Context context, String histTxt) {
        boolean b = false;
        for (int i = 0; i < getHistNum(context); i++) {
            if (histTxt.equals(getHistory(context).get(i))) {
                b = true;
                break;
            }
        }
        return b;
    }

    /**
     * 获取搜索记录
     */
    public static List<String> getHistory(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("data", Context.MODE_PRIVATE);
        int historyNum = getHistNum(context);
        if (historyNum == 0) {
            return null;
        } else {
            List<String> list = new ArrayList<>();
            for (int i = 0; i < historyNum; i++) {
                list.add(preferences.getString("history_" + (i + 1), ""));
            }
            return list;
        }
    }

    /**
     * 存储历史记录条数
     *
     * @param context
     * @param num
     */
    private static void saveHistNum(Context context, int num) {
        SharedPreferences preferences = context.getSharedPreferences("data", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putInt("history_Num", num);
        editor.commit();
    }

    /**
     * 获取历史记录条数
     */
    private static int getHistNum(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("data", Context.MODE_PRIVATE);
        return preferences.getInt("history_Num", 0);
    }


    /**
     * 存储模块状态
     *
     * @param context
     * @param isOpen
     */
    public static void savaModuleStatue(Context context, Boolean isOpen) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putBoolean("isOpen", isOpen);
        editor.commit();
    }

    /**
     * 读取模块状态
     *
     * @param context
     * @return
     */
    public static Boolean getModuleStatue(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        return preferences.getBoolean("isOpen", false);
    }

    /**
     * 存储搜索状态
     *
     * @param context
     * @param isSearch
     */
    public static void savaSearchStatue(Context context, Boolean isSearch) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putBoolean("isSearch", isSearch);
        editor.commit();
    }

    /**
     * 读取搜索状态
     *
     * @param context
     * @return
     */
    public static Boolean getSearchStatue(Context context) {
        SharedPreferences preferences = context.getSharedPreferences("user", Context.MODE_PRIVATE);
        return preferences.getBoolean("isSearch", false);
    }
    
    
    


}

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原文地址：http://blog.csdn.net/qq_26296197/article/details/51321069