Compile and deploy react native app

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Disclaimer: The instructions are the collective efforts from a few places online.
Nothing here is my original. But I want to put them together in one place to save people from spending the same time as I did.

First off, bundle.

1. cd to the project directory
2. Start the react-native packager if not started
3. Download the bundle to the asset folder:
curl “http://localhost:8081/” -o “android/app/src/main/assets/”


Note: make sure there is assets folder under android/app/src/main beforehand, and check if there is any error in the packager terminal window after curl.

Secondly, compile release version.

1. cd to {YOUR_PROJECT}/android
2. ./gradlew assembleRelease

Thirdly, sign the apk.

1. To generate keystore
keytool -genkey -v -keystore my-keystore.keystore -alias name_alias -keyalg RSA -validity 10000

2. To sign an apk
jarsigner -verbose -keystore alias_name

3. To zip align an apk
zipalign -f -v 4


Lastly, install apk to device.

1. connect your phone to computer
2. adb install {PATH_TO_APK}

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