package com.monke.monkeybook; import java.util.HashMap; import java.util.Map; public class BitIntentDataManager { public static Map bigData; private static BitIntentDataManager instance = null; public static BitIntentDataManager getInstance(){ if(instance == null){ synchronized (BitIntentDataManager.class){ if(instance == null){ instance = new BitIntentDataManager(); } } } return instance; } private BitIntentDataManager(){ bigData = new HashMap<>(); } public Object getData(String key){ return bigData.get(key); } public void putData(String key,Object data){ bigData.put(key,data); } public void cleanData(String key){ bigData.remove(key); } }