31.0.0 is not a valid SDK Version. Options are 32.0.0 UNVERSIONED

user_8756809 0
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I am unable to run my app on my simulator as well as device.Earlier it was working.

I have tried every step mentioned in this blog

Official Blog for updation

My package.json is

{
"main": "node_modules/expo/AppEntry.js",
  "scripts": {
"android-windows": "react-native bundle --platform android --dev false --entry-file App.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res && react-native run-android",
"start": "expo start",
"android": "expo start --android",
"ios": "expo start --ios",
"eject": "expo eject",
"debugWindow": "start 'rndebugger://set-debugger-loc?host=localhost&port=8081'",
"debugLinux": "open 'rndebugger://set-debugger-loc?host=localhost&port=8081'"
 },

"dependencies": {
    "expo": "^31.0.4",
    "react": "16.5.0",
    "react-native": "https://github.com/expo/react-native/archive/sdk-31.0.1.tar.gz",
    "react-navigation": "^3.0.8"
  },
  "devDependencies": {
    "babel-preset-expo": "^5.0.0"
  },
  "private": true
}

And App.json is 

{


 "expo": {
    "name": "AwesomeProject",
    "slug": "AwesomeProject",
    "privacy": "public",
    "sdkVersion": "31.0.0",
    "platforms": [
      "ios",
      "android"
    ],
    "version": "1.0.0",
    "orientation": "portrait",
    "icon": "./assets/icon.png",
    "splash": {
      "image": "./assets/splash.png",
      "resizeMode": "contain",
      "backgroundColor": "#ffffff"
    },
    "updates": {
      "fallbackToCacheTimeout": 0
    },
    "assetBundlePatterns": [
      "**/*"
    ],
    "ios": {
      "supportsTablet": true
    }
  }
}

I have tried running npm install 2-3 times but nothing seems to work.

I can't understand why its been suggesting option 32.0.0 when there is no release notes for this option at this link. Upgrading Expo

expo react-native reactjs
10 Answers

This is a known issue https://github.com/expo/expo/issues/3112

It is due to the Expo application from the Play Store having a bug. If you are using v2.10.0 then you should upgrade to v2.10.1

https://github.com/expo/expo/issues/3112#issuecomment-451697372

Sorry guys for the trouble We've fixed this issue in v2.10.1 that was released just a few hours later so you should already have an update.

https://play.google.com/store/apps/details?id=host.exp.exponent&hl=en

WHAT'S NEW

Fix issues when loading experiences with SDK older than 32

user_55081750

You can downgrade it by changing those files that refer to version 32 to the one that your mobile supports like 28:

app.json :

"sdkVersion": "32.0.0" → "sdkVersion": "28.0.0"

package.json :

"expo": "^32.0.0", → "expo": "28.0.0"
"react-native": ".../sdk-32.0.0.tar.gz", → "react-native": ".../sdk-28.0.0.tar.gz"
"jest-expo": "^32.0.0" → "jest-expo": "28.0.0"

user_90705960

try updating your expo application from the play store. It worked for me.

user_28898950

Here is how I fixed mine in case any of the above answers don't work for you.

Open up your app.json and sdkVersion. It was 33.0.0 before upgrading it as below fix the issue.

    "sdkVersion": "35.0.0"
user_43090650

This fixed it for me:

Run expo update 35.0.0. (Replace version with your desired version. 35.0.0 is the latest as of this post.) This updates expo, by updating app.json & package.json and installing the latest dependencies.

Referenced from:

https://docs.expo.io/versions/latest/workflow/upgrading-expo-sdk-walkthrough/

Also, check that:

  • your expo app is the latest version through the app/play store.
  • your expo cli is the latest version npm install -g expo-cli
user_108219860

If you have run expo update 35.0.0 or other version and it did not solve the error, and if you had ejected your expo project...

Check if you have the right detach properties in your app.json. Note the sdk number on the URL for both iosExpoViewURL and androidExpoViewURL keys. 

"detach": {
  "iosExpoViewUrl": "https://s3.amazonaws.com/exp-exponent-view-code/ios-v2.13.0-sdk35.0.0-a30ebc9b-3db4-42f4-b677-e468076baf18.tar.gz",
  "androidExpoViewUrl": "https://s3.amazonaws.com/exp-exponent-view-code/android-v2.13.0-sdk35.0.0-b816b7af-88da-4ca9-87a5-7438f0c21b6e.tar.gz"
}
user_95350700

try 

expo update

Its Working on my case :)

user_91360820

Clear all data and cache of Expo app on your android device. It works for me.

user_19421320

if you are using the Expo app, update them, because the SDK is not are updated

I updated it, and it worked :)

user_118136300

In your package.json

change from 

    "expo": "^31.0.0",
"react-native": "https://github.com/expo/react-native/archive/sdk-31.0.0.tar.gz",

To

    "expo": "^32.0.0",
"react-native": "https://github.com/expo/react-native/archive/sdk-32.0.0.tar.gz",

Delete node_module folder and package-lock.json file

Then run

npm i
user_39012170
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