Android Studio Shortcut Key

Ctrl + Space

Code completion

Ctrl + Shift + Space

Smart code completion (by expected type)

Ctrl + Shift + Enter

Complete statement (syntax)

Alt + Insert

Generate code

Alt + Enter

Show quick fix

Ctrl + F6

Refactor

Ctrl + E

Recent files

Ctrl + N

Navigate to class

Ctrl + Shift + N

Navigate to file

Ctrl + B

Jump to declaration

Alt - Up / Down

Jump to previous/next method

Ctrl + /

Toggle line comment

Ctrl + Shift + /

Toggle block comment

Ctrl + W

Select successively increasing code blocks

Ctrl + Shift + W

Decrease current selection to previous state

Ctrl + D

Duplicate Line

Ctrl + Y

Delete Line

Shift

Search everywhere

Ctrl + F / R

Find / Replace

F3

Find next

Shift + F3

Find previous

Ctrl + Q

Documentation

Ctrl + Alt + L

Reformat code

Ctrl + Shift + A

Lookup IDE commands