Encountering the net::ERR_CLEARTEXT_NOT_PERMITTED error message within Ionic 3

Since updating ionic and cli, I have been encountering the net::ERR_CLEARTEXT_NOT_PERMITTED error every time I try to call a Rest API on my physical android device.

Answer №1

This issue was resolved through the following steps:

Initially, I inserted the code snippet below into the config.xml:

<edit-config file="app/src/main/AndroidManifest.xml" mode="merge" target="/manifest/application" xmlns:android="http://schemas.android.com/apk/res/android">
    <application android:usesCleartextTraffic="true" />
</edit-config>

Next, the following lines were added to

/resources/android/xml/network_security_config.xml
:

<access origin="*" /> <allow-navigation href="*" />
 <?xml version="1.0" encoding="utf-8"?>
 <network-security-config>
   <domain-config cleartextTrafficPermitted="true">
     <domain includeSubdomains="true">yourdomain.com</domain>
  </domain-config>
</network-security-config>

Furthermore, the modifications were made to the config.xml within the widget located inside the <platform> for android.

Lastly, the commands

ionic cordova platform rm android
and
ionic cordova platform add [email protected]
were executed.

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