React native: Android project not found. Maybe run react-native android first?

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I had an issue in my React-Native project which was working fine earlier but suddenly it stopped working. Whenever I used the command:

react-native run-android

I was getting an error:

Android project not found. Maybe run react-native android first?

I tried running:

react-native android

But it said: Unrecognized command 'android' Run react-native --help to see list of all available commands

I raised this question and answered myself as I thought it will help others who are facing similar issue. I struggled a lot to find out the real reason behind it as the error shown in terminal was not precise.

To resolve the issue please upgrade the react-native package.

  1. Go to the Project root.

  2. Upgrade the React native package in the Command Prompt by typing :

    react-native upgrade.

  3. Then Accept to update all the Files by typing y (Yes) in the Command Prompt.

Reference: https://github.com/facebook/react-native/issues/9312

I know it is an old question but any of those solutions did not work for me and maybe there are others like me. I solved my problem running this command before run-android

react-native eject

I did like this... Worked !!

  1. In the CMD Project root run react-native upgrade.
  2. if you are still getting issues, make sure you have react-native in dependencies json in package.json, add it if not
  3. if you are still getting issues, get the version of react native in cmd using react-native -v and check if the value returned in cmd and package.json are same. update the package.json with the value returned in cmd

Here my problem solved.

We had this issue because files from android folder gradlew and gradlew.bat (Gradle startup script for the UN*X, Windows respectively) somehow got into the global .gitignore file, and so were not presented on local environments.

Actually running react-native upgrade command restore those files, thus fixing the problem.

As a complement, in the case react-native command is not found, you should install react-native CLI:

npm install -g react-native-cli

Then you can follow the steps people said above.

More details: react-native: command not found

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