cordova-android: 10.1.1

@ionic-native/core : 4.20.0
@ionic-native/google-maps : ^2.7.0

      if (iconUrl.startsWith("http://localhost") ||
          iconUrl.startsWith("https://localhost") ||
          iconUrl.startsWith("http://127.0.0.1") ||
          iconUrl.startsWith("https://127.0.0.1")
      ) {
//        Log.d(TAG, String.format("---->(201)iconURL = %s", iconUrl));
        if (iconUrl.contains("://")) {
          iconUrl = iconUrl.replaceAll("https?://.+?/", "file:///android_asset/www/");
        } else {
          // Avoid WebViewLocalServer (because can not make a connection for some reason)
          iconUrl = "file:///android_asset/www/".concat(iconUrl);
        }
      }

Please share your project files on Github or others(Bitbucket, Gitlabs...etc).
If you don't want to share your project files, please create a demo project, then share it.

Screen captures, and/or native logs(such as Logcat, xcode logs) are appreciate.

Giving much information, you are waiting time is less.
Thank you for your cooperation.