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  1. i have made a project in expo for android as well as ios but when i try to make the standalone application for ios it shows me a error "Your project must have a bundleIdentifier set in app.json. See https://docs.expo.io/versions/latest/distribution/building-standalone-apps/#2-configure-appjson" but in the app.json file in ios section i give it a field named bundleIdentifier and i givethe same value to the android package and the value is ""com.react.myappname"". but is just shows me the same error again and again. i am making this build using windows 10,help me on that.

    { "expo": { "name": "com.projectname.app",

    "description": "This project is really great.",
"slug": "projectname",
"privacy": "public",
"sdkVersion": "31.0.0",
"platforms": ["ios"],
"version": "1.0.0",
"orientation": "portrait",
"icon": "./assets/iconios.png",
"splash": {
  "image": "./assets/splashios.png",
  "resizeMode": "contain",
  "backgroundColor": "#ffffff"
},
"updates": {
  "fallbackToCacheTimeout": 0
},
"assetBundlePatterns": [
  "**/*"
],
"ios": {
   "bundleIdentifier":"com.react.projectname"
},

   },

    "expo": { "name": "com.projectname.app",

    "description": "This project is really great.",
"slug": "projectname",
"privacy": "public",
"sdkVersion": "31.0.0",
"platforms": [ "android"],
"version": "1.0.0",
"orientation": "portrait",
"icon": "./assets/playstore-icon.png",
"splash": {
  "image": "./assets/splash.png",
  "resizeMode": "contain",
  "backgroundColor": "#ffffff"
},
"updates": {
  "fallbackToCacheTimeout": 0
},
"assetBundlePatterns": [
  "**/*"
],
"android": {
  "package":"com.react.projectname",
  "config": {
    "googleMaps": {
      "apiKey": "AIzaSyD4KuDsSesrWf_iDn3WDTnwxqekZoC9qk0"
    }
  }
}   } }

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Rahul Kumar
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2 Answers2

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For ios you need to set your bundleIdentifier also in Xcode.. and in Windows10 Xcode not available. you need mac for building & running ios app.

Mr.vdtarsariya
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First of all you can't do that in windows environment. Either you need to a virtual machine set up in your windows machine or explicitly a ios machine borrowed from a friend. And then you need Xcode installed in it. All the development projects' builds create a file that can be open inside Xcode. Then only you can run it on an ios emulator or debug using a real iphone device.

Amila Senadheera
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  • ok so can i use the linux server to run this command will it run on windows? – Rahul Kumar Sep 02 '19 at 06:59
  • @RahulKumar, No any other OS including `linux`, you definitely need a `macOS` environment. You may be able to build, see: https://stackoverflow.com/questions/2406151/can-you-run-xcode-in-linux – Amila Senadheera Sep 02 '19 at 09:02