How to filter items in a List in Flutter

Introduction

In Flutter/Dart, we may wish to filter items in a List. In this post, we'll look at how to do it.

How to filter items in a List in Flutter

Filter items in a list using where() method

var list = [5, 2, 0, 1];
print(list.where((item) => item >= 2).toList());

The output:

[5, 2]

Getting the first item from a list that matches a specific condition using the firstWhere() method

var list = [5, 2, 0, 1, 6];
print(list.firstWhere((item) => item > 2));

The output:

5

Getting the last item from a list that matches the given condition using the lastWhere() method

var list = [5, 2, 0, 1, 6];
print(list.lastWhere((item) => item > 2));

The output:

6

Conclusion

In this article, we presented several methods to filter items in a list in Flutter/Dart.