Verify that the flutter/bin directory
is now in your PATH by running:

    
$ echo $PATH
    
    Verify that the flutter command is available by running:

    
$ which flutter

Platform setup

macOS supports developing Flutter apps for iOS, Android, macOS itself 
and the web. Complete at least one of the platform setup steps now,
to be able to build and run your first Flutter app.

iOS setup

Install Xcode

To develop Flutter apps for iOS, you need a Mac with Xcode installed.

Install the latest stable version of Xcode
(using web download or the Mac App Store).

Configure the Xcode command-line tools to use the
newly-installed version of Xcode by
running the following from the command line:

    
$ sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
$ sudo xcodebuild -runFirstLaunch