react-native-dotenv VS react-native-mmkv

Best way to store API keys in RN? I need to store the google autocomplete API key somewhere but react-native-config and react-native-dotenv can be reverse-engineered. Any ideas? Thanks!

To consume env variables in js code you'd need https://www.npmjs.com/package/react-native-dotenv — basically, it will allow to reference single variable in the js code and at compile time it will pick up current value from the config

It's not possible to use react-native-dotenv in native code files like `build.gradle` or `Info.plist`: https://github.com/goatandsheep/react-native-dotenv/issues/190

Then install the 'react-native-dotenv' library in your project with the below commands using NPM or Yarn.

While you still developing your app use this package https://www.npmjs.com/package/react-native-dotenv

I know, not a direct answer to your question, but if you're looking for file-defined custom properties, the typical solution is to use https://github.com/goatandsheep/react-native-dotenv

⚙️ Handel environment variables with react-native-env

There are a few special libraries from npm that are used to make all this work and we cover them all in the video. Specifically we needed an AsyncStorage library and dotEnv, a library to manage local environment variable for the application

It's time to use the Firebase project configuration in the Expo app. To do so, first install the Firebase SDK by running expo install firebase. Additionally, install react-native-dotenv by running npm install react-native-dotenv, so that environment variables can be imported in the app via an .env file. Next, add the module:react-native-dotenv plugin to the default Expo babel.config.js file.

We will be making use of the handy npm library react-native-dotenv

react-native-mmkv is a wrapper around MMKV that allows you to easily implement secure storage in your app. It is arguably the fastest key-value storage for React Native apps

Why do you need to access the db from the file system? Can you just use something like https://github.com/mrousavy/react-native-mmkv ?

By using libraries like Reanimated, React Native MMKV, and React Native Skia, you leverage the native thread. However, I know there are developers building amazing things who think outside the box. I'm always thrilled when I read engineering blogs from companies like Netflix, Meta, and Shopify. They create solutions beyond the limits.

mmkv is not really designed to be used for “heavy” writes, or often changing values. But more as e.g. NSUserDefaults. The storage keeps growing over time which may cause memory issues if used wrongly. Here’s a related github issue: https://github.com/mrousavy/react-native-mmkv/issues/440

Persistence - React Native MMKV (supports encryption natively and easily integrates with TanStack Query via persistQueryClient)

if you need to store something small and simple use whatever. if is complex and speed is important use something performant. realmDB, https://github.com/mrousavy/react-native-mmkv and others are good fit for the job.

Screw you all, I'll use MMKV as my Local DB: please do not, as explained here.

Try react native mmkv https://github.com/mrousavy/react-native-mmkv