ERROR An error occurred while running subprocess cordova

Question

I have finished a project, and I would like to build an apk. I have tried to build it, but after writing the sentences to build it, the third code gave me an error. Here the code or sentences I wrote to be built it.

ionic cordova platform remove android
ionic cordova plarform add android@6.4.0
ionic cordova build android

I have built a project 3 day ago following the code I wrode above. Here the error. ( this time I connect with firebase)

Platform android already added.
[ERROR] An error occurred while running subprocess cordova.

        cordova platform add android@6.4.0 --save exited with exit code 1.

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

E:\ionic\notasFirebase>ionic cordova build android
> ionic-app-scripts build --target cordova --platform android
[19:08:57]  ionic-app-scripts 3.2.0
[19:08:57]  build dev started ...
[19:08:57]  clean started ...
[19:08:57]  clean finished in 13 ms
[19:08:57]  copy started ...
[19:08:57]  deeplinks started ...
[19:08:57]  deeplinks finished in 61 ms
[19:08:57]  transpile started ...
[19:09:03]  transpile finished in 6.09 s
[19:09:03]  preprocess started ...
[19:09:03]  preprocess finished in 1 ms
[19:09:03]  webpack started ...
[19:09:03]  copy finished in 6.41 s
[19:09:11]  webpack finished in 8.34 s
[19:09:11]  sass started ...
[19:09:13]  sass finished in 1.66 s
[19:09:13]  postprocess started ...
[19:09:13]  postprocess finished in 29 ms
[19:09:13]  lint started ...
[19:09:13]  build dev finished in 16.44 s
[19:09:19]  lint finished in 6.02 s
> cordova build android
Unable to load PlatformApi from platform. Error: Cannot find module 'E:\ionic\notasFirebase\platforms\android\cordova\Api.js'
Unhandled error. (The platform "android" does not appear to be a valid cordova platform. It is missing API.js. android not supported.)

Answer 1

请试试这个命令，它在我的项目中工作。

npm i cordova-res

Answer 2

I used this method for Windows 10, the problem was fixed

sdkmanager.bat --licenses

I installed it

Answer 3

错误运行子进程cordova时发生错误，这可能是由于多种原因引起的请检查天气package.json文件中的所有插件是否加载正确如果其中任何一个已被弃用或存在任何没有用但在package.json中的额外插件删除它并构建 apk 这可能会解决问题

Answer 4

If this is happening after connecting to firebase after Open the platform/android in android studio and in top menu under refactory->select Migrate to androidX

Answer 5

removing android platform and re-adding worked for me

Answer 6

I encountered this error, and I reinstalled Cordova:

npm uninstall -g cordova
npm install -g cordova

And it works on my side. There are other reasons for this error, so I am not sure this will work on your side.