guanguan_app1/app/src/main/java/com/ynstkz/shitu/android/data/SharedPreferencesUtils.java

package com.ynstkz.shitu.android.data;

import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;

import com.common.library.utils.AppInfoUtil;
import com.ynstkz.shitu.android.application.STApplication;
import com.ynstkz.shitu.android.common.Constants;

/**
 * Created by fucl on 2016/4/6.
 */
public class SharedPreferencesUtils {

    private static final String FILE_NAME = Constants.ST_SHAREPREFREENCE;
    private static final String PACK_NAME = AppInfoUtil.getAppPackageName(STApplication.getContext());

    /**
     * 保存数据的方法，我们需要拿到保存数据的具体类型，然后根据类型调用不同的保存方法
     * @param key			键名
     * @param object		值
     */
    public static boolean set(String key, Object object) {
        try {
            Context otherAppsContext = STApplication.getContext().createPackageContext(PACK_NAME, Context.CONTEXT_IGNORE_SECURITY);
            String type = object.getClass().getSimpleName();
            SharedPreferences sp = otherAppsContext.getSharedPreferences(FILE_NAME, Context.MODE_MULTI_PROCESS);
            SharedPreferences.Editor editor = sp.edit();

            if ("String".equals(type)) {
                editor.putString(key, (String) object);
            } else if ("Integer".equals(type)) {
                editor.putInt(key, (Integer) object);
            } else if ("Boolean".equals(type)) {
                editor.putBoolean(key, (Boolean) object);
            } else if ("Float".equals(type)) {
                editor.putFloat(key, (Float) object);
            } else if ("Long".equals(type)) {
                editor.putLong(key, (Long) object);
            }
            return editor.commit();
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return false;
    }

    public static boolean remove(String key){
        Context otherAppsContext;
        try {
            otherAppsContext = STApplication.getContext().createPackageContext(PACK_NAME, Context.CONTEXT_IGNORE_SECURITY);
            SharedPreferences sp = otherAppsContext.getSharedPreferences(FILE_NAME, Context.MODE_MULTI_PROCESS);
            SharedPreferences.Editor editor = sp.edit();
            editor.remove(key);
            return editor.commit();
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
            return false;
        }
    }
    /**
     * 得到保存数据的方法，我们根据默认值得到保存的数据的具体类型，然后调用相对于的方法获取值
     * @param key
     * @param defaultObject
     * @return
     */
    public static Object get(String key, Object defaultObject) {
        try {
            String type = defaultObject.getClass().getSimpleName();
            Context otherAppsContext = STApplication.getContext().createPackageContext(PACK_NAME, Context.CONTEXT_IGNORE_SECURITY);
            SharedPreferences sp = otherAppsContext.getSharedPreferences(FILE_NAME, Context.MODE_MULTI_PROCESS);
            if ("String".equals(type)) {
                return sp.getString(key, (String) defaultObject);
            } else if ("Integer".equals(type)) {
                return sp.getInt(key, (Integer) defaultObject);
            } else if ("Boolean".equals(type)) {
                return sp.getBoolean(key, (Boolean) defaultObject);
            } else if ("Float".equals(type)) {
                return sp.getFloat(key, (Float) defaultObject);
            } else if ("Long".equals(type)) {
                return sp.getLong(key, (Long) defaultObject);
            }
            return defaultObject;
        } catch (Exception e) {
            e.printStackTrace();
            return defaultObject;
        }
    }
}