Environment setup (Node, Watchman, Xcode, Android Studio) in React Native - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to check the installed Node.js version in your terminal.

React Native

node [1]

Drag options to blanks, or click blank then click option'

A-v

B--version

Cversion

D-version

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'node version' instead of a flag.

Using '--version' which is valid but longer.

Use node -v to quickly see the Node.js version installed on your system.

2fill in blank

medium

Complete the command to install Watchman on macOS using Homebrew.

React Native

brew [1] watchman

Drag options to blanks, or click blank then click option'

Aupdate

Binstall

Cupgrade

Dremove

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'brew update watchman' which updates Homebrew itself.

Using 'brew remove watchman' which uninstalls the package.

Use brew install watchman to install Watchman on macOS.

3fill in blank

hard

Fix the error in the command to open Xcode from the terminal.

React Native

[1] /Applications/Xcode.app

Drag options to blanks, or click blank then click option'

Arun

Bstart

Copen

Dlaunch

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'start' which works on Windows but not macOS.

Using 'launch' or 'run' which are not valid commands.

Use open /Applications/Xcode.app to launch Xcode from the terminal on macOS.

4fill in blank

hard

Fill both blanks to set ANDROID_HOME environment variable in macOS terminal.

React Native

export [1]=[2]/Library/Android/sdk

Drag options to blanks, or click blank then click option'

AANDROID_HOME

BANDROID_SDK

C$HOME

D~

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'ANDROID_SDK' instead of 'ANDROID_HOME'.

Using '~' instead of '$HOME'.

Set ANDROID_HOME to the Android SDK path using $HOME for the user directory.

5fill in blank

hard

Fill all three blanks to add Android platform tools to PATH in macOS terminal.

React Native

export PATH=[1]/bin:[2]/platform-tools:[3]

Drag options to blanks, or click blank then click option'

A$PATH

B$HOME

D$ANDROID_HOME

Attempts:

3 left

💡 Hint

Common Mistakes

Not including existing PATH in the new PATH variable.

Using literal paths instead of variables.

Use $HOME for home directory, $ANDROID_HOME for SDK path, and $PATH to keep existing PATH entries.