Guides

Using Expo-Go

Additional instructions for React-Native applications setup with Expo-Go

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Managed Workflow with Expo-Go Instructions

If you are using Expo-Go the iOS & Android projects must be exposed so the libraries can be linked manually.

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Required Changes for Development Mode

Installing the NeuroID SDK will require changes to how your application is run in development mode due to Expo-Go conflicts

After following the instructions below for iOS/Android local development, you will no longer be able to run yarn expo start and select a for Android or i for iOS.

Instead, you will have to run yarn expo start, open each project within their respective editors (Android Studio or Xcode), and run it from that IDE thereby bypassing the Expo-Go App normally used.

Failure to do this will result in an error and/or your application crashing because the NeuroID SDK will not be able to properly capture the user's behavior.

iOS Expo

  • From your project directory run expo run:ios.
  • In Xcode, open the new workspace file in the iOS folder and run a project build.

Android Expo

  • In the app.json file, under the android section, put a package key/value.
    • For example, "package": "com.my.demo.app".
  • From your project directory, run expo run:android.
  • In Android Studio, open the new android directory and run a project build.

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Additional Android Changes

You may need to adjust some of the files Expo generates to point to the correct namespace/references you listed in your app.json file.

For example, In your AndroidManifest update the .MainActivity and .MainApplication tags to have your full package name directory, <application android:name=".MainApplication" ... > -> <application android:name="com.my.demo.app.MainApplication" ... >).

Additionally, you may need to correct some of the imports in the Android project generated in the MainActivity.java and MainApplication.java files.

Updated 4 months ago