Android Studio

Development Tools
Navigation
Double Shift Search everywhere Win mac Linux
CTRL+N Navigate to class Win Linux
+O Navigate to class mac
CTRL+E Recent files Win Linux
+E Recent files mac
CTRL+B Go to declaration Win Linux
+B Go to declaration mac
CTRL+⇧ Shift+F Find in path (project-wide search) Win Linux
+⇧ Shift+F Find in path (project-wide search) mac
Editing
ALT+ Quick fix / show intentions Win Linux
+ Quick fix / show intentions mac
CTRL+SPACE Code completion Win Linux
CTRL+D Duplicate current line Win Linux
+D Duplicate current line mac
CTRL+Y Delete current line Win Linux
+ Delete current line mac
CTRL+/ Toggle line comment Win Linux
+/ Toggle line comment mac
CTRL+ALT+L Reformat code Win Linux
++L Reformat code mac
Refactoring
⇧ Shift+F6 Rename symbol Win mac Linux
Run & Debug
⇧ Shift+F10 Run app Win Linux
CTRL+R Run app mac
⇧ Shift+F9 Debug app Win Linux
CTRL+D Debug app mac