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To run the CometChat UI Kit in Expo version 0.52 & above, you need to disable the new architecture of react native. You need to add/update the newArchEnabled flag in the app.json file present in the root directory of your project.
{
  "expo": {
    "newArchEnabled": false
  }
}
Our React Native UI Kit does not work with Expo GO since it requires some custom native modules. Also, expo does not recommend using Expo GO for building production grade apps. So in order to use our UI Kit in an expo app you need to use development builds. You can follow this official Expo guide for more details. The UI Kit requires a few permissions to run so you need to make some changes in your app.json file. You need to add the below permissions block inside android block of the app.json file.
  • app.json
"permissions": [
  "READ_EXTERNAL_STORAGE",
  "WRITE_EXTERNAL_STORAGE",
  "VIBRATE",
  "INTERNET"
],