SharedPreferences

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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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