.Android文件夹是存放模拟器文件，占用10G到几十个G，

Android Studio 3.5测试成功

1.Close Android Studio if any.

2.Move .android folder (usually at C:\Users\yourusername\.android) to destination drive (e.g. D:\Android)

3.From Windows, go to Control Panel > System > Advanced system settings

4.Go to Advanced tab > Environment Variables.

5.Under System variables, click New... button.

6.Type in the following:

Variable name:ANDROID_SDK_HOME

Variable value:D:\Android

7.Click OK and OK again.