package com.cheng.bole.manager import android.text.TextUtils import com.cheng.bole.bean.ContactsEntity import com.example.base.utils.MMKVUtils import com.google.gson.Gson import com.google.gson.reflect.TypeToken object ContactsManager { fun add(contacts: ContactsEntity) { val list = all() list.add(contacts) MMKVUtils.put("contacts_list", Gson().toJson(list)) } fun update(contacts: ContactsEntity) { val list = all() val oldContacts = list.find { it.id == contacts.id } if (oldContacts != null) { val index = list.indexOf(oldContacts) list.removeAt(index) list.add(index, contacts) } MMKVUtils.put("contacts_list", Gson().toJson(list)) } fun delete(id: String) { val list = all() val contacts = list.find { it.id == id } if (contacts != null) { list.remove(contacts) } MMKVUtils.put("contacts_list", Gson().toJson(list)) } fun all(): MutableList { val str = MMKVUtils.getString("contacts_list") return if (!TextUtils.isEmpty(str)) { Gson().fromJson(str, object : TypeToken>(){}.type) } else { mutableListOf() } } }