# Install Library

If you have Homebrew installed, go to next step, else: 

```
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
```

Install node

```
$ brew install node
```

Install React Native CLI

```
$ npm install -g react-native-cli
```

Go to the project folder and install dependencies

```
$ cd PROJECT_DIR
$ npm install
```

Link native modules

```
$ react-native link
$ cd ios
$ pod install
```

{% hint style="info" %}
Useful doc <https://facebook.github.io/react-native/docs/getting-started>
{% endhint %}

Install Android SDK <http://www.androiddocs.com/sdk/installing/index.html>

Set `ANROID_HOME` on MAC <https://stackoverflow.com/questions/19986214/setting-android-home-enviromental-variable-on-mac-os-x>

Set `ANDROID_HOME` on Windows <https://www.360logica.com/blog/how-to-set-path-environmental-variable-for-sdk-in-windows/>

Run Android app

{% hint style="info" %}
Please connect android device or run emulator
{% endhint %}

```
$ react-native run-android
```

Run iOS app

{% hint style="info" %}
Please install Xcode <https://medium.com/@LondonAppBrewery/how-to-download-and-setup-xcode-10-for-ios-development-b63bed1865c>
{% endhint %}

It appears to be a problem with the location of `Command line tools`. In Xcode, select Xcode menu, then Preferences, then Locations tab. Select your Xcode version from the dropdown and exit Xcode.

```
$ react-native run-ios
```