This is the easiest way and will provide automatic updates. Note for zsh users: replace all references to ~/.bash_profile with ~/.zshrc. Note: this was originally written on Installing ADB on macOS but that question was closed as a duplicate of this one.
adb is the command line tool to install and run android apps on your phone/emulator Solution I spent quite sometime figuring how to set up adb on Mac, so I figure writing how to set it up might be useful to some people.
