实现黑名单的添加.修改.查询和删除,首先得有封装的3个类,便于使用 BlackNumber.java package com.hanqi.test3; /** * Created by Administrator on 2016/4/15. */ public class BlackNumber { private long id; private String phoneNumber; public BlackNumber(long id, String phoneNumber) { this
Android Studio 添加Assets目录: 法一: Since Android Studio uses the new Gradle-based build system, you should be putting assets/ inside of the source sets (e.g., src/main/assets/), if I understand correctly. 法二: In Android Studio, right-click on the folder