Can't get basic example from react-navigation to work correctly












1















I'm trying to get a basic AppContainer to work in react-navigation but am having some trouble.



This example here works perfectly fine on snack.expo.io and even works fine when I run it on my device off of snack. However, when I copy paste the exact code into VSCode and push it to my device, it errors out with:



Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object.



Check the render method of `NavigationContainer`.


The code is the exact same, yet errors out on my Android device. Am I missing a dependency or something?



Thanks!



EDIT:



package.json file:



{

  "main": "node_modules/expo/AppEntry.js",

  "private": true,

  "dependencies": {

    "es6-promise": "^4.2.5",

    "expo": "^25.0.0",

    "isomorphic-fetch": "^2.2.1",

    "react": "^16.7.0",

    "react-native": "https://github.com/expo/react-native/archive/sdk-25.0.0.tar.gz",

    "react-navigation": "^3.0.9"

  }

}





javascript react-native react-native-android react-navigation







share|improve this question




















  • 1





    Could you add your package.json file to the question? The dependencies will be different from the expo snack

    – phunctional
    Jan 2 at 20:27













  • Do you have AppRegistry in your root app ?

    – Nazır Dogan
    Jan 2 at 20:45











  • joshkmartinez Added. Which dependencies am I missing?

    – kpaul
    Jan 2 at 20:56













  • Nazır Dogan No.

    – kpaul
    Jan 2 at 20:56











  • Is that the entire package.json file? If so, which command do you use to start the app?

    – Siavas
    Jan 2 at 21:53
















1















I'm trying to get a basic AppContainer to work in react-navigation but am having some trouble.



This example here works perfectly fine on snack.expo.io and even works fine when I run it on my device off of snack. However, when I copy paste the exact code into VSCode and push it to my device, it errors out with:



Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object.



Check the render method of `NavigationContainer`.


The code is the exact same, yet errors out on my Android device. Am I missing a dependency or something?



Thanks!



EDIT:



package.json file:



{

  "main": "node_modules/expo/AppEntry.js",

  "private": true,

  "dependencies": {

    "es6-promise": "^4.2.5",

    "expo": "^25.0.0",

    "isomorphic-fetch": "^2.2.1",

    "react": "^16.7.0",

    "react-native": "https://github.com/expo/react-native/archive/sdk-25.0.0.tar.gz",

    "react-navigation": "^3.0.9"

  }

}





javascript react-native react-native-android react-navigation







share|improve this question




















  • 1





    Could you add your package.json file to the question? The dependencies will be different from the expo snack

    – phunctional
    Jan 2 at 20:27













  • Do you have AppRegistry in your root app ?

    – Nazır Dogan
    Jan 2 at 20:45











  • joshkmartinez Added. Which dependencies am I missing?

    – kpaul
    Jan 2 at 20:56













  • Nazır Dogan No.

    – kpaul
    Jan 2 at 20:56











  • Is that the entire package.json file? If so, which command do you use to start the app?

    – Siavas
    Jan 2 at 21:53














1












1








1








I'm trying to get a basic AppContainer to work in react-navigation but am having some trouble.



This example here works perfectly fine on snack.expo.io and even works fine when I run it on my device off of snack. However, when I copy paste the exact code into VSCode and push it to my device, it errors out with:



Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object.



Check the render method of `NavigationContainer`.


The code is the exact same, yet errors out on my Android device. Am I missing a dependency or something?



Thanks!



EDIT:



package.json file:



{

  "main": "node_modules/expo/AppEntry.js",

  "private": true,

  "dependencies": {

    "es6-promise": "^4.2.5",

    "expo": "^25.0.0",

    "isomorphic-fetch": "^2.2.1",

    "react": "^16.7.0",

    "react-native": "https://github.com/expo/react-native/archive/sdk-25.0.0.tar.gz",

    "react-navigation": "^3.0.9"

  }

}





javascript react-native react-native-android react-navigation







share|improve this question
















I'm trying to get a basic AppContainer to work in react-navigation but am having some trouble.



This example here works perfectly fine on snack.expo.io and even works fine when I run it on my device off of snack. However, when I copy paste the exact code into VSCode and push it to my device, it errors out with:



Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object.



Check the render method of `NavigationContainer`.


The code is the exact same, yet errors out on my Android device. Am I missing a dependency or something?



Thanks!



EDIT:



package.json file:



{

  "main": "node_modules/expo/AppEntry.js",

  "private": true,

  "dependencies": {

    "es6-promise": "^4.2.5",

    "expo": "^25.0.0",

    "isomorphic-fetch": "^2.2.1",

    "react": "^16.7.0",

    "react-native": "https://github.com/expo/react-native/archive/sdk-25.0.0.tar.gz",

    "react-navigation": "^3.0.9"

  }

}





javascript react-native react-native-android react-navigation




javascript react-native react-native-android react-navigation






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 2 at 20:56







kpaul

















asked Jan 2 at 19:30









kpaulkpaul

150211




150211








  • 1





    Could you add your package.json file to the question? The dependencies will be different from the expo snack

    – phunctional
    Jan 2 at 20:27













  • Do you have AppRegistry in your root app ?

    – Nazır Dogan
    Jan 2 at 20:45











  • joshkmartinez Added. Which dependencies am I missing?

    – kpaul
    Jan 2 at 20:56













  • Nazır Dogan No.

    – kpaul
    Jan 2 at 20:56











  • Is that the entire package.json file? If so, which command do you use to start the app?

    – Siavas
    Jan 2 at 21:53














  • 1





    Could you add your package.json file to the question? The dependencies will be different from the expo snack

    – phunctional
    Jan 2 at 20:27













  • Do you have AppRegistry in your root app ?

    – Nazır Dogan
    Jan 2 at 20:45











  • joshkmartinez Added. Which dependencies am I missing?

    – kpaul
    Jan 2 at 20:56













  • Nazır Dogan No.

    – kpaul
    Jan 2 at 20:56











  • Is that the entire package.json file? If so, which command do you use to start the app?

    – Siavas
    Jan 2 at 21:53








1




1





Could you add your package.json file to the question? The dependencies will be different from the expo snack

– phunctional
Jan 2 at 20:27







Could you add your package.json file to the question? The dependencies will be different from the expo snack

– phunctional
Jan 2 at 20:27















Do you have AppRegistry in your root app ?

– Nazır Dogan
Jan 2 at 20:45





Do you have AppRegistry in your root app ?

– Nazır Dogan
Jan 2 at 20:45













joshkmartinez Added. Which dependencies am I missing?

– kpaul
Jan 2 at 20:56







joshkmartinez Added. Which dependencies am I missing?

– kpaul
Jan 2 at 20:56















Nazır Dogan No.

– kpaul
Jan 2 at 20:56





Nazır Dogan No.

– kpaul
Jan 2 at 20:56













Is that the entire package.json file? If so, which command do you use to start the app?

– Siavas
Jan 2 at 21:53





Is that the entire package.json file? If so, which command do you use to start the app?

– Siavas
Jan 2 at 21:53












1 Answer
1






active

oldest

votes


















-2














If everything is the same but you have an error, may be you should run npm install. Or remove node_modules and then npm install. You can try it with yarn too (yarn).






share|improve this answer


























  • I've tried this, but nothing worked.

    – kpaul
    Jan 2 at 20:57











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









-2














If everything is the same but you have an error, may be you should run npm install. Or remove node_modules and then npm install. You can try it with yarn too (yarn).






share|improve this answer


























  • I've tried this, but nothing worked.

    – kpaul
    Jan 2 at 20:57
















-2














If everything is the same but you have an error, may be you should run npm install. Or remove node_modules and then npm install. You can try it with yarn too (yarn).






share|improve this answer


























  • I've tried this, but nothing worked.

    – kpaul
    Jan 2 at 20:57














-2












-2








-2







If everything is the same but you have an error, may be you should run npm install. Or remove node_modules and then npm install. You can try it with yarn too (yarn).






share|improve this answer















If everything is the same but you have an error, may be you should run npm install. Or remove node_modules and then npm install. You can try it with yarn too (yarn).







share|improve this answer














share|improve this answer



share|improve this answer








edited Jan 2 at 20:49









phunctional

148318




148318










answered Jan 2 at 20:28









Fuad RustamzadeFuad Rustamzade

3210




3210













  • I've tried this, but nothing worked.

    – kpaul
    Jan 2 at 20:57



















  • I've tried this, but nothing worked.

    – kpaul
    Jan 2 at 20:57

















I've tried this, but nothing worked.

– kpaul
Jan 2 at 20:57





I've tried this, but nothing worked.

– kpaul
Jan 2 at 20:57




















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