Question 33977 in React native Question posted in
The official React Native documentation can be found here.

Error running React Native App on Android emulator

When I start a HelloWorld App on react-native using "expo start" command getting the error below. The emulator is up and running . Expo go is already installed. But for some reason app is not installing. Any pointers to resolve this would be very helpful.

Couldn't start project on Android: Error running adb: Error running app. args: [-p, host.exp.exponent, -c, android.intent.category.LAUNCHER, 1]
     arg: "-p"
     arg: "host.exp.exponent"
     arg: "-c"
     arg: "android.intent.category.LAUNCHER"
     arg: "1"
    data="host.exp.exponent"
    data="android.intent.category.LAUNCHER"
    ** SYS_KEYS has no physical keys but with factor 2.0%.

enter image description here

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2

Answers


  1. Chosen as BEST ANSWER
    0

    Was able to resolve it by manually adding the url for the project on the expo go app in emulator and press Connect.

    exp://192.168.0.22:19000

    enter image description here


  2. 0

    You may want to follow the instructions in the expo docs for setting up the android studio emulator: https://docs.expo.dev/workflow/android-studio-emulator/ The docs very clearly guide you on the steps needed to setup everything such that you can just run expo start -a to start your app on the emulator

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