nwHacks NFC app

Enviromnent setup

Base requirements:

• Node.js
• Watchman

If while reading this setup you get stuck, check these instructions to see if you missed anything. Read until "Creating a new application"

Once your enviromnent is setup, run npm install in the project directory.

Android setup

If developing for Android, install Android Studio https://developer.android.com/studio

Make sure to select custom install and select these options:

• Android SDK
• Android SDK Platform
• Performance (Intel ® HAXM) (See here for AMD)
• Android Virtual Device

Make sure to install the Android Pie SDK (Can be done under Appearance & Behavior → System Settings → Android SDK.)

In the SDK manager select SDK Platforms and check these options:

• Android SDK Platform 28
• Intel x86 Atom_64 System Image or Google APIs Intel x86 Atom System Image

Next, select the "SDK Tools" tab and check the box next to "Show Package Details" here as well. Look for and expand the "Android SDK Build-Tools" entry, then make sure that 28.0.3 is selected.

Click apply to download all the required files.

Make sure these env variables are set:

export ANDROID_HOME=$HOME/Library/Android/sdk
export PATH=$PATH:$ANDROID_HOME/emulator
export PATH=$PATH:$ANDROID_HOME/tools
export PATH=$PATH:$ANDROID_HOME/tools/bin
export PATH=$PATH:$ANDROID_HOME/platform-tools

For fish users:

set -gx ANDROID_HOME $HOME/Library/Android/sdk
set -gx PATH $ANDROID_HOME/emulator $ANDROID_HOME/tools $ANDROID_HOME/tools/bin $ANDROID_HOME/platform-tools $PATH

plug in your phone and enable USB Debugging

adb devices should show your phone is connected and ready to go

npm run android || npm run ios

Fast Reload

To enable fast reloading on Android (app reloads when you save code changes)

• Click on emulator and press CTRL + M (CMD + M on MacOS) or shake the Android device which has the running app
• Select the Enable Fast Reload option from the popup
• If that doesn't work run adb shell input keyevent 82 to open the popup

IOS setup

• Make sure to have xcode installed (Requires xcode 11)
• Make sure to open xcode and install its extra stuffs
• Install cocoa pods
  • If the pod install fails, try running this: sudo gem install cocoapods -n /usr/local/bin
• Run pod install in the /ios/ directory Note, this doesn't work on high seirra. Please upgrade to at least mojave to build for ios.

Logging

react-native log-android || log-ios