mac安装android环境

下载Android studio
https://developer.android.google.cn/studio/
下载android sdk 前提是java安装好了

brew cask install android-sdk

出现license错误
The way to accept license agreements from the command line has changed.

cd ~/Library/Android/sdk/tools/bin/
./sdkmanager --licenses

这里报错
How To Fix Java.Lang.NoClassDefFoundError: Javax/xml/bind/annotation/xmlschema When Install Android SDK

java版本不对，要切换到java8版本的就可以
https://www.dev2qa.com/how-to-fix-java-lang-noclassdeffounderror-javax-xml-bind-annotation-xmlschema-when-install-android-sdk/
https://stackoverflow.com/questions/47150410/failed-to-run-sdkmanager-list-with-java-9/48704729#48704729

安装安卓模拟器
将安卓加入

cd ～
vim .bash_profile 

#这个是上一步就写好的
# Set JAVA_HOME system environment variable value.
export JAVA_HOME=/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home
# Add java bin folder in PATH system environment variable value.
export PATH=$PATH:$JAVA_HOME/bin


#这个是安卓的adb命令那些
export ANDROID_HOME=/Users/wcj/Library/Android/sdk
export PATH=${PATH}:${ANDROID_HOME}/tools
export PATH=${PATH}:${ANDROID_HOME}/platform-tools
export PATH=${PATH}:${ANDROID_HOME}/build-tools/29.0.2


source .bash_profile