To enable null safety, you must go to your pubspec. yaml file and then navigates to the environment tag . You’ll see that under the tag, there is an SDK tag version. Null Safety complies with the SDK version 2.12 and up.
To enable null safety, you must go to your pubspec. yaml file and then navigates to the environment tag . You’ll see that under the tag, there is an SDK tag version. Null Safety complies with the SDK version 2.12 and up.