What is singleton in flutter?

Both are Singletons . But LazySingleton refers to a class whose resource will not be initialised until its used for the 1st time . It’s generally used to save resources and memory. Follow this answer to receive notifications.

The truth is that singletons aren’t inherently bad if they’re used correctly . The goal of the singleton pattern is to ensure only one instance of a class is alive at any one time. That, however, is not the goal many developers have in mind when using singletons.

The singleton pattern ensures only one instance of a class is ever created . How do I build this in Dart? dart singleton.30 Ara 2015

The singleton pattern is a pattern used in object-oriented programming which ensures that a class has only one instance and also provides a global point of access to it . Sometimes it’s important for a class to have exactly one instance, or you might force your app into a weird state.