XiMengJianYu/.svn/pristine/5c/5ce9f386968b11115391bac2ae1150a6d7d11c41.svn-base
2023-04-17 17:58:44 +08:00

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package com.example.administrator.ximengjianyu.utils;
/**
* Created by Xuer on 2017/4/24.
*/
import android.content.Context;
import android.content.SharedPreferences;
/**
* SharedPreferences的一个工具类调用setParam就能保存String, Integer, Boolean, Float, Long类型的参数
* 同样调用getParam就能获取到保存在手机里面的数据
* @author xiaanming
*
*/
public class SharedPreferencesUtils {
/**
* 保存在手机里面的文件名
*/
private static final String FILE_NAME = "share_data";
/**
* 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 context
* @param key
* @param object
*/
public static void setParam(Context context , String key, Object object){
String type = object.getClass().getSimpleName();
SharedPreferences sp = context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
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);
}
editor.commit();
}
/**
* 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 context
* @param key
* @param defaultObject
* @return
*/
public static Object getParam(Context context , String key, Object defaultObject){
String type = defaultObject.getClass().getSimpleName();
SharedPreferences sp = context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
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 null;
}
}