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App crash on opening it on android device. Build successfully but raising an error "Failed to connect to development server".

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  • run npm start under your project directory and try to open the app. Commented Oct 3, 2022 at 7:26
  • Tried but still no improvement Commented Oct 3, 2022 at 8:44

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There can be multiple issues with this.

  1. Check that your node package mananger is running close it, connect your mobile and run the following command.
  • adb reverse tcp:8081 tcp:8081
  • npx react-native start

it my solve your problem.

second

  1. if you want wireless debugging, shake your cellphone it will open the debug menu click on the setting , find your ip address witht he command ipconfig/all and then click on Debug server host & port for device enter your IP like this xxx.xxx.xx.xx:8081 and press R from your development server.

Hope this solve your porblem

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4 Comments

adb reverse tcp:8081 tcp:8081 , after putting this command, it is saying. "zsh: command not found: adb"
stackoverflow.com/q/7609270/9570734
check your path varaible. there is issue with your path varaibales. @VaishaliJain
you can accept and vpvote this answer. thanks

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