How to add custom secure (privacy) screen on the app switcher

Question

I want to add a secure (privacy) screen feature (hide content when the app is in background). There are many packages that provide similar functionality, but almost all of them just blur the app screen (secure_app_switcher, privacy_screen, secure_application). I want to show my logo on a white/black background (depending on the app theme). How I can achieve this?

Example:

Answer 1

Try secure_application package there is SecureGate provide what you wants, package is old maybe you need fix something in it.

'Put the content you want to protect in a SecureGate (could be the whole app)'

SecureGate(
      blurr: 5,
      lockedBuilder: (context, secureNotifier) => Center(
          child: RaisedButton(
        child: Text('test'),
        onPressed: () => secureNotifier.unlock(),
      )),
      child: YouProtectedWidget(),

)