I try to implement a signIn with Google in Flutter Web. I use GoogleSignn 4.1.1 and Firebase Auth 0.15.4. I do not get any error message. It just does not pop up. I registered the web app in Fir...

I am trying to make an HTTP request to 000webhost as below in my flutter web app. The first method is the same as the second, I only changed the URL. However, the first one works but the second doe...