access environment variable in React-Native AndroidManifest.xml

I'm new to React Native. The task at hand is to set my Google API key in AndroidManifest.xml without exposing it, when pushed to GitHub. I set up an environment variable called API_KEY, but however I want to access it in the .xml, I get an error when trying to spin up the dev server.

So far I tried:


Thank you!

assuming that you have defined the key in your .env file, you can set that up on build.gradle as manifestPlaceholders.

android {
    defaultConfig {
        manifestPlaceholders = [API_KEY: "$process.env.your_key"]

on your AndroidManifest.xml,


Env Variables in AndroidManifest.xml not accessible � Issue #21 , I'm new to React Native. The task at hand is to set my Google API key in AndroidManifest.xml without exposing it, when pushed to GitHub. Install react-native-dotenv. Next, install the dependency react-native-dotenv that will help you manage your environment variables gracefully throughout this app. Go to the terminal window, and execute the following command. yarn add react-native-dotenv. The module react-native-dotenv lets you import environment variables from a .env file.

   => permission   

        <uses-permission android:name="android.permission.INTERNET" />
        <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
        <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>

   put in =>  \android\app\src\main\AndroidManifest  inside    / application   

    android:value="Your Google maps API Key Here"/>

luggit/react-native-config: Bring some 12 factor love to your , I have apply from: project(':react-native-config').projectDir.getPath() + "/dotenv. gradle" set in my android/app/build.gradle file. But I still� If you need to insert variables into your AndroidManifest.xml file that are defined in your build.gradle file, you can do so with the manifestPlaceholders property. This property takes a map of key-value pairs, as shown here: android { defaultConfig { manifestPlaceholders = [hostName:""] }

Based on the second comment (from kenmistry), the solution that worked for me was indeed to create a placeholder in build.gradle, but since, for whatever reason, configuring and referring a .env file did't work, I invoked my environment variables like so in build.gradle:

manifestPlaceholders = [API_KEY: "$System.env.API_KEY"]

and accessed it in the .xml as suggested by kenmistry:


Building React Native apps with Environment Variables via , Contribute to luggit/react-native-config development by creating an account on the package name indicated in AndroidManifest.xml in <manifest package=". Config variables set in .env are available to your Java classes via BuildConfig :. Brief understanding → react-native-dotenv package give us the ability to import environment variables that are saved in .env file at root of the project, but there is a drawback that says we can

react-native-config-t7, You can use react-native-dotenv or any other library to setup a .env file in your project, and And also some code in your Android Manifest: The AndroidManifest.xml file contain all the important information about application like Application Icon details, Application name and all about activities. AndroidManifest.xml file is used to set normal permissions inside it. So in this tutorial we would going to learn about Add Permissions for Android in AndroidManifest.xml in React Native App.

Adding variables in AndroidManifest.xml, and , Expose config variables to React Native apps. Android. Config variables set in . env are available to your Java classes via BuildConfig : And use them to configure libraries in AndroidManifest.xml and others: <meta-data. In short: environment variables. When working with React, environment variables are variables that are available through a global process.env Object. That global Object is provided by your

Inject build variables into the manifest, Is there a way to pass variables to AndroidManifest.xml, and it does not read the value inside the variable instead it reads the variable itself which is How to change React js environment property file (.env) at runtime. The environment variables are injected at build time. If you need to inject them at runtime, follow this approach instead. #Adding Temporary Environment Variables In Your Shell. Defining environment variables can vary between OSes. It’s also important to know that this manner is temporary for the life of the shell session. #Windows (cmd.exe)

  • If I understand it right, now the key is in an other .gradle, still exposed in my repo. It should be nice to access environment variable instead.
  • These are standard entries. Sorry, but I don't understand how does it help me access environment variables, as per the question.
  • This works for me. I tried the accepted answer first, but $process.env.API_KEY threw an error Could not get unknown property 'process'.