export JAVA_HOME="/Applications/Android Studio.app/Contents/jre/jdk/Contents/Home"
export ANDROID_HOME="/Users/YOUR_USERNAME/Library/Android/sdk"

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******************************************************
* Running the following without npm install command: *
******************************************************

1. go to the project root, run `gradle wrapper`
2. cd android, run `gradle wrapper`
3. run `./gradlew clean`
4. cd ..
5. run `react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res`
6. npm run android or npm run ios
7. you can also run it with android studio

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************************************************
* With npm install command in the first place: *
************************************************

1. npm install, if it shows error then run `rm -rf package-lock.json node_modules/` then run npm install again
2. cd node_modules/metro-config/src/default
3. open the blacklist.js file
4. Replace :

var sharedBlacklist = [
  /node_modules[/\\]react[/\\]dist[/\\].*/,
  /website\/node_modules\/.*/,
  /heapCapture\/bundle\.js/,
  /.*\/__tests__\/.*/
];

with :

var sharedBlacklist = [
  /node_modules[\/\\]react[\/\\]dist[\/\\].*/,
  /website\/node_modules\/.*/,
  /heapCapture\/bundle\.js/,
  /.*\/__tests__\/.*/
];

5. Comment this line `[wkWebViewConfig.userContentController addUserScript:script];` from node_modules/react-native-webview/apple/RNCWebView.m
6. the no.4, 5 process must be done manually everytime you re-install your node_modules
7. go to the project root, run `gradle wrapper`
8. run `cd android`
9. run `gradle wrapper`
10. run `./gradlew clean`
11. run `cd ..`
12. run `react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res`
13. run `npm run android` or `npm run ios`
14. you can also run it with android studio

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************************************************
* RELEASE COMMAND: *
************************************************

keytool -list -v -keystore production.keystore -alias androidreleasekey -storepass Cloud@2020 -keypass Cloud@2020

react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/build/intermediates/res/merged/release/ && rm -rf android/app/src/main/res/drawable-* && rm -rf android/app/src/main/res/raw/* && cd android && ./gradlew bundleRelease