1.主题
Darcula主题真的看起来舒服很多呢；
2.常用快捷键
"Toggle Case" "Quick Documentation" "Reformat Code" "Fix doc comment" "Find Usages" "Select In..."
3.Editor->General
General:
Change font size with ctrl+mouse wheel
Auto Import:
...on the fly
Apperance:
Show line number
Code Completion:
Case sensitive completion
Auto popup...
4.Editor->Colors & Fonts
Font
Android Logcat
5.Editor->Code Style
Code Generation->Name Prefix
6.Editor->File Encodings
UTF-8
7.Plugins
.ignore