Android Studio Shortcuts

Here is the category-wise list of shortcuts for Android Studio IDE.

Using them in day to day programming with Android Studio will definitely save your time!!.

Search/Find/Replace:

Ctrl + F	Find in current file
F3	Find Next in current file
Shift + F3	Find Previous in current file
Ctrl + R	Replace in current file
Ctrl + Shift + F	Find in Path (Whole Project, Module or Directory)
Ctrl + Shift + R	Replace in Path
Alt + F7	Find Usages
Ctrl + Alt + F7	Show Usages in a Popup

Code Assistance:

Alt + Enter	Quick Fix
Ctrl + Space	Assistance in code completion
Ctrl + Q	Show Documentation for selected element
Ctrl + P	Show Parameters for selected method
Alt + Insert	Generate Code (Constructor, Getter/setter, equals(), hashcode() etc..)
Ctrl + O	Select Methods to override/implement
Ctrl + Alt + O	Optimize imports
Ctrl + Alt + T	Surround with (if/else, try/catch, do/while etc..)
Shift + F6	Rename
Ctrl + D	Duplicate selected piece of code (*It is not Delete Line)
Ctrl + F4	Close current editor window
Ctrl + F12	Displays File Structure (methods and instance variables for a class)
Ctrl + Shift + F12	Maximize or restore current editor window
Ctrl + Alt + S	Displays Settings dialog
Ctrl + Alt + Shift + S	Displays Project Structure dialog

Navigation:

Ctrl + N	Go to class
Ctrl + Shift + N	Go to File
F4	Go to Source (goes to implementation for method, declaration for variable)
Ctrl + G	Go to Line
Ctrl + B	Go to Declaration of class, method or variable
Ctrl + E	Recent Files popup
Alt + Up Arrow	Navigate to previous method in editor window
Alt + Down Arrow	Navigate to next method in editor window
Alt + Left Arrow	Navigate to previous editor window
Alt + Right Arrow	Navigate to next editor window
Ctrl + U	Go to parent of selected element
Ctrl + H	Displays Type hierarchy
Ctrl +Shift + H	Displays Call hierarchy

Add/Remove Comments:

Ctrl + /	Toggle line comment (comment/uncomment using '//' )
Ctrl + Shift + /	Toggle block comment (comment/uncomment using '/*....*/' )

Debug/Run:

Shift + F9	Debug
Shift + F10	Run
Alt + Shift + F9	Select configuration and Debug
Alt +Shift + F10	Select configuration and Run

Deletion:

Ctrl+Y	Deletes current line
Ctrl+Del	Deletes word next to cursor position
Ctrl+Backspace	Deletes word previous to cursor position

Indentions:

Alt + Ctrl + i	Correct indentions of selected lines
Tab	Increase Indent of selected lines
Shift+Tab	Decrease Indent of selected lines

General Editing:

Ctrl + C or Ctrl + Insert	Copy
Ctrl + X or Shift + Del	Cut
Ctrl + V or Shift + Insert	Paste
Ctrl + Y	Delete current line(*It is not Redo)