0.Eclipse风格
File--> Settings -> Keymap -> 选择Eclipse
1.代码提示列表
Eclipse中是：Alt+/
AS默认是：Ctrl+Space
File--> Settings ->Keymap->Main Menu->Code->Completion->Basic
2.代码提示不区分大小写
File--> Settings ->Editor->General->Code...
3.鼠标悬停显示文档、方法提示
File--> Settings ->Editor->General
4.错误修正提示列表
Eclipse中是：Ctrl+1
AS默认是：Alt+Enter
File--> Settings ->Keymap->Other->（列表往下拉）Show Intention Action：
右击“Show Intention Action”，点击第一项：“add keyboard shortcut”
5.自动导包
File--> Settings ->Editor->General->Auto Import
