# Install React Native in Ubuntu 20.04

## 1. Install NodeJS

- For Development Purpose using [NVM](https://github.com/nvm-sh/nvm)

```bash
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
```

- Close and Open Terminal again, verify NVM version

```bash
$ nvm -v

Node Version Manager (v0.35.3)
```
- Install NodeJS LTS (v12)

```bash
nvm install lts/erbium
```

- Verify NodeJS and NPM Version

```bash
$ nvm ls
->     v12.18.3
default -> lts/erbium (-> v12.18.3)
node -> stable (-> v12.18.3) (default)
stable -> 12.18 (-> v12.18.3) (default)
iojs -> N/A (default)
unstable -> N/A (default)
lts/* -> lts/erbium (-> v12.18.3)
lts/argon -> v4.9.1 (-> N/A)
lts/boron -> v6.17.1 (-> N/A)
lts/carbon -> v8.17.0 (-> N/A)
lts/dubnium -> v10.22.0 (-> N/A)
lts/erbium -> v12.18.3

$ node -v
v12.18.3

$ npm -v
6.14.6
```

## Install Java Development Kit

- Install default JDK/JRE

```bash
sudo apt install default-jdk
sudo apt install default-jre
```

- Verify Version Java

```bash
$ java --version
openjdk 11.0.8 2020-07-14
OpenJDK Runtime Environment (build 11.0.8+10-post-Ubuntu-0ubuntu120.04)
OpenJDK 64-Bit Server VM (build 11.0.8+10-post-Ubuntu-0ubuntu120.04, mixed mode, sharing)
```

- Setup `JAVA_HOME`

```bash
$ echo 'export JAVA_HOME="/usr/lib/jvm/java-11-openjdk-amd64"' >> ~/.bashrc
$ source ~/.bashrc
$ echo $JAVA_HOME
/usr/lib/jvm/java-11-openjdk-amd64
```

## Install Android Studio

- Make sure, your cpu support KVM Module

```bash
$ sudo apt-get install cpu-checker
$ egrep -c '(vmx|svm)' /proc/cpuinfo
8
$ kvm-ok
INFO: /dev/kvm exists
KVM acceleration can be used
```

- Install KVM Module

```bash
sudo apt-get install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils
```

- Install Require Package (Ubuntu 64-bit) [SOURCE](https://developer.android.com/studio/install?hl=id#64bit-libs) :

```bash
sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386 lib32z1 libbz2-1.0:i386
```

- Download Android Studio From [HERE](https://developer.android.com/studio)
- Ekstrack in Home Directory `/home/username/android/android-studio`

```bash
$ ll
total 64
drwxrwxr-x  7 yadi yadi  4096 Jun 29 17:40 ./
drwxrwxr-x  3 yadi yadi  4096 Sep 13 15:28 ../
drwxrwxr-x  4 yadi yadi  4096 Jun 29 17:40 bin/
-rw-r--r--  1 yadi yadi    25 Jun 25 09:51 build.txt
-rw-r--r--  1 yadi yadi  1945 Jun 25 09:51 Install-Linux-tar.txt
drwxrwxr-x  6 yadi yadi  4096 Jun 29 17:40 jre/
drwxrwxr-x  4 yadi yadi 12288 Jun 29 17:40 lib/
drwxrwxr-x  2 yadi yadi  4096 Jun 29 17:40 license/
-rw-r--r--  1 yadi yadi 11352 Jun 25 09:51 LICENSE.txt
-rw-r--r--  1 yadi yadi   396 Jun 25 09:51 NOTICE.txt
drwxrwxr-x 49 yadi yadi  4096 Jun 29 17:40 plugins/
-rw-r--r--  1 yadi yadi   340 Jun 25 09:51 product-info.json
```

- Execute File `bin/studio.sh`, example:

```bash
yadi@yadi-desktop:~/android/android-studio/bin$ ./studio.sh
```

- After installation finished, Add sdk to `.bashrc`, in my default installation, all android sdk in `~/Android/Sdk` :

```bash
$ echo 'export ANDROID_HOME="$HOME/Android/Sdk"' >> ~/.bashrc
$ echo 'export PATH="$PATH:$ANDROID_HOME/emulator"' >> ~/.bashrc
$ echo 'export PATH="$PATH:$ANDROID_HOME/tools"' >> ~/.bashrc
$ echo 'export PATH="$PATH:$ANDROID_HOME/tools/bin"' >> ~/.bashrc
$ echo 'export PATH="$PATH:$ANDROID_HOME/platform-tools"' >> ~/.bashrc
$ source ~/.bashrc
```

## Install React Native

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

// or

yarn global add react-native-cli
```

## Init React Native and Running

```bash
react-native init myApp
cd myApp

# start build
react-native start

# for android
react-native run-android 

# for ios
react-native run-ios
```

Enjoy!