1.  安裝jdk1.8

2.複製android sdk  設定代理  mirrors.neusoft.edu.cn  埠 80 http代理  更新sdk  安裝  android support  repository / intel x86 emulator accelerator 

3. 安裝virtualbox

4.安裝 genymotion

5. 安裝 android studio 3

   Http Proxy :mirrors.neusoft.edu.cn  埠 80

  Android SDK Location:

 Build,Execution,Deployment->Gradle->Android Studio  check "Enabled embedded Maven Repository"

 Build,Execution,Deployment->Gradle  use local gradle distribution  gradle home:/Applications/Android Studio.app/Contents/gradle/gradle-4.4

              uncheck offline work

              service directory path:/Applications/Android Studio.app/Contents/gradle/gradle-4.4