flutter sort list
someObjects.sort();
// By object property value
someObjects.sort((a, b) => a.someProperty.compareTo(b.someProperty));
// To reverse sort, just swab a and b
someObjects.sort((a, b) => b.someProperty.compareTo(a.someProperty));flutter sort list
someObjects.sort();
// By object property value
someObjects.sort((a, b) => a.someProperty.compareTo(b.someProperty));
// To reverse sort, just swab a and b
someObjects.sort((a, b) => b.someProperty.compareTo(a.someProperty));sort list flutter with a model
class _Person {
final int age;
final String name;
_Person({required this.age, required this.name});
}
void _test() {
final array = [
_Person(age: 10, name: 'Dean'),
_Person(age: 20, name: 'Jack'),
_Person(age: 30, name: 'Ben'),
];
// ascend with age
// Dean Jack Ben
array.sort((p1, p2) {
return Comparable.compare(p1.age, p2.age);
});
// decend with age
// Ben Jack Dean
array.sort((p1, p2) {
return Comparable.compare(p2.age, p1.age);
});
// ascend with name
// Ben Dean Jack
array.sort((p1, p2) {
return Comparable.compare(p1.name, p2.name);
});
}Copyright © 2021 Codeinu
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