Hello Readers, CoolMonkTechie heartily welcomes you in A Short Note Series (7 Quick Valuable Commands To Improve React Native Development).
In this note series, we will learn about seven quick valuable commands which is commonly used and helps to improve React Native Development to start developing iOS and Android apps.
So, Let’s begin.
1. Starting a new project
There are different ways, we can bootstrap a react native application. You can use Expo or create-react-native-app (which in turns uses Expo-Cli) to start our new project, but with this method, we are in more control of what happened in our project and can communicate, tweak and write our own modules with native libraries for iOS and Android mobile platform.
react-native init [PROJECT-NAME]
cd [PROJECT-NAME]
2. Run app in Android Emulator
This command is self explanatory and as it says it will start the Android emulator and install the app you just created. You need to be in the root of the project to run this command.
react-native run-android
3. Run app in iOS Emulator
This command do exactly the same as react-native run-android but instead of the Android emulator, it opens the iPhone simulator.
react-native run-ios
4. Link dependencies to native projects
Some libraries have dependencies that need to be linked in the native code generated for React Native. If something doesn’t work after you installed a new library, maybe is because you skip this step.
react-native link [LIBRARY-NAME]
5. Clear bundle
If something don’t run as expected, maybe you need to clear and create a new bundle with this command.
watchman watch-del-all
6. Support decorators
JSX doesn’t support decorators by default so you need to install the Babel plugin to make it work.
npm install babel-plugin-transform-decorators-legacy --save
npm install babel-plugin-transform-class-properties --save
7. Export APK to run in device
With the following commands you will have and unsigned apk so you can install and share with your colleagues for testing purposes. Just remember that this apk is not ready to upload to the App Store or production. You will find your fresh apk in android/app/build/outputs/apk/app-debug.apk.
Bundle debug build
react-native bundle --dev false --platform android --entry-file index.android.js --bundle-output ./android/app/build/intermediates/assets/debug/index.android.bundle --assets-dest ./android/app/build/intermediates/res/merged/debug
Create debug build
cd android
./gradlew assembleDebug
Conclusion
In this note series, we understood about seven quick valuable commands which is commonly used in React Native Development.
Thanks for reading! I hope you enjoyed and learned about React Native Commands List. Reading is one thing, but the only way to master it is to do it yourself.
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