I am usinf ionic4 for my application development.
The error bellow is happening in production apk build.
Access to XMLHttpRequest
from origin ‘http://localhost’ has been blocked by CORS policy: Request header field x-requested-with is not allowed by Access-Control-Allow-Headers in preflight response.
Can anyone help me?
Yes, do a Google search for CORS
Do you have control of the server?
If so, you need to enable…
I enable Access-Control …
However is now presenting the following error
Failed to load resource: net::ERR_CONNECTION_REFUSED
Backend API is done on node.
Yeah, Google is your best bet for solving that.
Try using CORS extension: