Android Studio 环境搭建参考，jdk10javac命令提示不是内部或外部命令

https://blog.csdn.net/qq_33658730/article/details/78547789 win10下Android Studio和SDK下载、安装和环境变量配置

http://yanmin99.com/ android-0基础从入门到精通

环境变量
ANDROID_HOME
E:\Program Files (x86)\Android\Sdk
JAVA_HOME
E:\Program Files\Java\jdk1.8.0_161
TOMCAT_HOME
E:\Program Files\Apache Software Foundation\Tomcat 8.5
MAVEN_HOME
E:\Program Files\Apache Software Foundation\apache-maven-3.5.3-bin
MYSQL_HOME
C:\Program Files\MySQL\MySQL Server 5.7

CLASSPATH
.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;%TOMCAT_HOME%\bin;

Path
%JAVA_HOME%\bin
%JAVA_HOME%\jre\bin
%TOMCAT_HOME%\bin
%TOMCAT_HOME%\lib
%MYSQL_HOME%\bin
%MAVEN_HOME%\bin
%ANDROID_HOME%\tools
%ANDROID_HOME%\platform-tools

安装硬件支持
E:\Program Files (x86)\Android\Sdk\extras\intel\Hardware_Accelerated_Execution_Manager\intelhaxm-android.exe

--已失效
修改host文件
c:\windows\system32\drivers\etc中的host文件，在末尾加上203.208.43.70 dl.google.com，保存即可。

解决连不上dl.google.com的问题
https://www.jianshu.com/p/8fb367a51b9f?utm_campaign=haruki&utm_content=note&utm_medium=reader_share&utm_source=weixin_timeline
http://ip.chinaz.com/ ip查询

解决javac命令提示不是内部或外部命令

JAVA_HOME

E:\AndroidPlugIns\Java\Jdk

不需要配置ClassPath

要加斜杠

%JAVA_HOME%\bin\

%JAVA_HOME%\lib\

%JAVA_HOME%\jre\bin\

https://blog.csdn.net/zeternityyt/article/details/79655150

https://blog.csdn.net/yanbober/article/details/45306483