⌘ + O: Open Class (append:42to jump to a certain line)⌘ + ⇧ + O: Open File⌘ + Alt + O: Open Symbol⇧, ⇧: Search Everywhere⌘ + E: Recent files⌘ + ⇧ + E: Recently edited files
⌘ + 1: Project view⌘ + ⇧ + →/⌘ + ⇧ + ←: Increase (decrease) view size⎋: Focus editor⌘ + ⇧ + F12: Show editor only⌘ + ⇧ + A: Search for action (window, option, ...)
⌘ + B: Go to declaration⌘ + Y: Show declaration inline⌘ + ⇧ + F7: Highlight usage in file (Escto remove all highlightings)⌥ + F7: Find global usages
⌃ + G: Select this. Repeat to extend selection to following occurences.⌘ + ⌃ + G: Select all usages⌥ + ↑: Expand selection⌥ + ⇧ + ↑/⌥ + ⇧ + ↓: Move current line 1 line up / down⌘ + ⇧ + ↑/⌘ + ⇧ + ↓: Move current method 1 method up / down⌘ + D: Duplicate line⌘ + ⌥ + ⇧ + C: Copy reference
⌘ + ⇧ + ⏎: Complete current statement⇥: Expand current live template shortcut⌘ + ⌥ + T: Surround with⌥ + ⏎: Show intents⌘ + J: Show Live Templates⌃ + T: Show Refactorings