Android Studio 学习笔记(一)环境搭建、文件目录等相关说明

时间:2023-03-08 15:28:52
Android Studio 学习笔记(一)环境搭建、文件目录等相关说明

Android Studio 学习笔记(一)环境搭建、文件目录等相关说明

引入

对APP开发而言,Android和iOS是两大主流开发平台,其中区别在于

Android用java语言,用Android Studio开发,Windows、Linux和苹果系统都可以进行开发

iOS用object-c语言,用xcode开发,现阶段只能在苹果系统环境下进行开发 。

本系列学习笔记针对Android开发,需要的软件列表如下:

软件 注释
Java JDK Java开发工具包(Java Development Kit)
Android SDK Android软件开发包(Software Development Kit)
JRE Java运行时环境(Java Runtime Environment)
Android Studio Android集成开发工具

此外还有可选组件

  • Java开发者使用的Eclipse IDE
  • Android开发工具(ADT)Eclipse插件

环境搭建

话不多说,直接看环境搭建方法

个人推荐安装教程:http://ask.android-studio.org/?/question/789

也可以参考这篇:https://www.cnblogs.com/gufengchen/p/11038029.html

搭建的关键点在于,Android Studio初始配置需要连接国外服务器。如果一开始没有使用科|学|上|网工具,Android Studio初始化会报各种各样的问题,像缺少SDK,SDK Manager闪退,Gradle Error等等,即便下载了ADT集成开发工具,也不能保证各种暗坑。

所以首选是,在外网环境下安装Android Studio

其次要注意的地方是环境变量的配置,配置成功与否可以参考命令行输入相关命令,看是否弹出信息。

如果怎么也鼓捣不出来,也可以在某宝上直接购买安装服务,花钱买时间还是挺划算的。

这一步快的话花四五个小时即可,如果能成功跑Hello World,就算是环境搭建大功告成啦。

文件目录说明

创建一个空项目(Empty Project),文件目录大体如下

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" alt="file_directory">

对文件树进行逐行注释

项目名 路径
.gradle gradle 工具的各个版本
.idea 开发所需的各种环境
app 开发存放的代码、资源
gradle gradle 工具的打包
.gitignore 将指定的目录或文件排除在版本控制之外的
build.gradle 全局的gradle构建脚本
gradle.properties 全局的gradle配置文件
gradlew 在命令行界面中执行gradle命令的( Linux或Mac系统 )
gradlew.bat 在命令行界面中执行gradle命令的( Windows系统 )
项目名.iml 用于标识这是一个intelliJ IDEA项目
local.properties 保存 Android SDK 所在的路径
settings.gradle 用于指定项目中所有引入的模块
External Libraries 外部库
Scratches and Consoles 创建的临时文件和缓冲区列表

我们的开发工作基本在app目录下进行

重点文件说明

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" alt="app">

这里就不再一一分析了,只关注重点文件

build:存编译后文件(含apk)

src:包含项目中所有的.java源文件

src/main:存主要代码

src/main/assets:存资源文件(区别res,无id,不编码到二进制文件)

src/main/java:存Java代码

src/main/res: 存资源文件

  • drawable:存图片资源
  • layout:存布局文件
  • values:存字符串及相关属性资源

src/main/AndroidManifest:文件清单,用于权限申请、Activity注册等

项目运行建议

项目运行时,如果使用自带的AVD,一般电脑会非常卡。

这里推荐两种方法,一种是真机调试。连接上USB,打开开发者模式,启动USB调试,当running devices 显示相应设备即可。

另一种方法是使用第三方模拟器,连接方法为:点击Terminal,输入相应连接指令。

举个栗子:要使用Mumu模拟器,在 Terminal 键入指令:

adb connect 127.0.0.1:7555

键入回车,提示"connect to 127.0.0.1:7555",且 running devices 显示为"Netease Mumu"即算成功。

参考资料

  1. 当前主流的Android或ios app开发平台有哪些?使用的是什么语言?
  2. 表格文字居中方法
  3. Android开发环境软件列表
  4. Android Studio目录结构浅析
  5. Android Studio 中部分文件目录的含义与作用
  6. Android Hello World 实例|菜鸟教程
  7. Android Studio 各个文件夹的作用和控件作用、基本语句