啥都不会

原文链接：http://www.vontroy.com/2020/03/11/android-aes/问题描述在 Android 早期的版本(Android N以前)中, 密钥生成过程类似如下的形式:public KeyGenerator keyGen(byte[] strKey) { try { KeyGenerator kgen = KeyGenerator.getInstance("AES"); SecureRandom secureRandom = nu

repositories阿里云 maven 仓库：https://maven.aliyun.com/mvn/view// Top-level build file where you can add configuration options common to all sub-projects/modules.buildscript { repositories { maven { url 'https://maven.aliyun.com/repository/jcent

配置远程中央仓库镜像repositories { maven { url "http://repo2.maven.org/maven2/" } }}配置本地仓库镜像repositories { maven { url "g:/abc" } }}...

在使用BottomNavigationView作为底部导航时导航栏一直浮在展示Fragment的FrameLayout底部上层(想要的效果是FrameLayout和BottomNavigationView按vertical的orientation排列)最终代码:<?xml version="1.0" encoding="utf-8"?><RelativeLayout xml...