ionic cordova platform add android
> cordova platform add android --save
√ Running command - done!
> ionic cordova resources android --force
√ Collecting resource configuration and source images - done!
√ Filtering out image resources that do not need regeneration - done!
× Uploading source images to prepare for transformations - failed!
TypeError: unsupported proxy protocol: "xxx.xx.xx.xxx"
at new ProxyAgent (C:\Users\estagiario2\AppData\Roaming\npm\node_modules\@ionic\cli-plugin-proxy\node_modules\proxy-agent\index.js:109:11)
at ProxyAgent (C:\Users\estagiario2\AppData\Roaming\npm\node_modules\@ionic\cli-plugin-proxy\node_modules\proxy-agent\index.js:81:45)
at Request.proxy (C:\Users\estagiario2\AppData\Roaming\npm\node_modules\@ionic\cli-plugin-proxy\node_modules\superagent-proxy\index.js:71:15)
at Object.<anonymous> (C:\Users\estagiario2\AppData\Roaming\npm\node_modules\ionic\node_modules\@ionic\cli-utils\lib\http.js:31:17)
at next (native)
at fulfilled (C:\Users\estagiario2\AppData\Roaming\npm\node_modules\ionic\node_modules\tslib\tslib.js:100:62)
at process._tickCallback (internal/process/next_tick.js:109:7)
Any help?