package com.jy.day15installapkmorethreaddownload;
import android.content.Context;
import android.content.SharedPreferences;
public class SharedPreferencesUtils {
/**
* 保存在手機(jī)里面的文件名
*/
private static final String FILE_NAME = "share_date";
/**
* 保存數(shù)據(jù)的方法握童，我們需要拿到保存數(shù)據(jù)的具體類型瓷炮，然后根據(jù)類型調(diào)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();
}
/**
* 得到保存數(shù)據(jù)的方法，我們根據(jù)默認(rèn)值得到保存的數(shù)據(jù)的具體類型，然后調(diào)用相對于的方法獲取值
* @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;
}
}
