Flutter, Flutter App Development, Data Structures, Algorithms.
this.userId1, required this.userId2}); @override Widget build(BuildContext context) { final areFriends = friendsGraph.areFriends(userId1, userId2); return Text( areFriends ? "Friends" : "Not friends", style: TextStyle( fontWeight: FontWeight.bold, fontSize: 16.0, color: areFriends ? Colors.green :