MIXED_CONTENT_NEVER_ALLOW constant
AndroidMixedContentMode
const MIXED_CONTENT_NEVER_ALLOW
In this mode, the WebView will not allow a secure origin to load content from an insecure origin. This is the preferred and most secure mode of operation for the WebView and apps are strongly advised to use this mode.
Implementation
static const MIXED_CONTENT_NEVER_ALLOW =
AndroidMixedContentMode._internal(1, 1);