package com.example.pickerviewlibrary.picker.util;
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import android.content.Context;
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import android.util.Log;
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import androidx.room.Database;
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import androidx.room.Room;
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import androidx.room.RoomDatabase;
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import com.example.pickerviewlibrary.picker.entity.AddressBean;
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import java.io.File;
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/**
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* Copyright (C), 2022,
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* Author: zuo
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* Date: 2022/2/17 22:56
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* Description:
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*/
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public class AddressSqLite_DB_Utile {
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Context context;
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public static AddressSqLite_DB_Utile db_utile = null;
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AddressDataBase historyDB;
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public AddressSqLite_DB_Utile(Context context) {
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this.context = context;
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String fileName = FileUtil.copyFileFromAssets(context, "address.db", "sqlite", "address.db");
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historyDB = Room.databaseBuilder(context, AddressDataBase.class, fileName + File.separator + "address.db").allowMainThreadQueries().build();
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}
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/**
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* 初始化数据库操作类
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*
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* @param context
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* @return
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*/
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public static AddressDataBase getInit(Context context) {
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if (db_utile == null) {
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db_utile = new AddressSqLite_DB_Utile(context);
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return db_utile.historyDB;
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} else {
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return db_utile.historyDB;
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}
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}
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}
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