IONIC Error: Unknown argument: platform

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IONIC Error: Unknown argument: platform

Unknown argument: platform

image

D:\sync\websvr\ionic\test\t2>ionic cordova run android
[INFO] Hardware device(s) found for android. Using --device.
> ng.cmd run app:ionic-cordova-build --platform=android
Error: Unknown argument: platform
[ERROR] An error occurred while running subprocess ng.

        ng.cmd run app:ionic-cordova-build --platform=android exited with exit code 1.

        Re-running this command with the --verbose flag may provide more information.

ionic info

D:\sync\websvr\ionic\test\t2>ionic info

Ionic:

   Ionic CLI                     : 6.20.4 (E:\AppData\Roaming\npm\node_modules\@ionic\cli)
   Ionic Framework               : @ionic/angular 6.4.0
   @angular-devkit/build-angular : 15.0.3
   @angular-devkit/schematics    : 15.0.3
   @angular/cli                  : 15.0.3
   @ionic/angular-toolkit        : 7.0.0

Cordova:

   Cordova CLI       : 11.0.0
   Cordova Platforms : android 10.1.2
   Cordova Plugins   : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 5.0.0, (and 3 other plugins)

Utility:

   cordova-res : 0.15.4
   native-run  : 1.7.1

System:

   NodeJS : v16.13.0 (C:\Program Files\nodejs\node.exe)
   npm    : 8.1.0
   OS     : Windows 10

Fix IONIC Error: Unknown argument: platform

npm install @ionic/cordova-builders

Copy this to angular.json

"ionic-cordova-build": {
  "builder": "@ionic/cordova-builders:cordova-build",
  "options": {
    "browserTarget": "app:build"
  },
  "configurations": {
    "production": {
      "browserTarget": "app:build:production"
    }
  }
},
"ionic-cordova-serve": {
  "builder": "@ionic/cordova-builders:cordova-serve",
  "options": {
    "cordovaBuildTarget": "app:ionic-cordova-build",
    "devServerTarget": "app:serve"
  },
  "configurations": {
    "production": {
      "cordovaBuildTarget": "app:ionic-cordova-build:production",
      "devServerTarget": "app:serve:production"
    }
  }
}

image

Then you can run

ionic cordova run android --target=emulator-5554

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