avatar static method
Generate a random avatar. 1: male, 0: female
Implementation
static String avatar({int? random}) {
final avatars = [
'https://randomuser.me/api/portraits/men/${_random.nextInt(100)}.jpg',
'https://randomuser.me/api/portraits/women/${_random.nextInt(100)}.jpg',
'https://i.pravatar.cc/150?u=${_random.nextInt(100)}',
];
return avatars[_random.nextInt(random ?? avatars.length)];
}