Flutter/dart/singleton
提供: 初心者エンジニアの簡易メモ
class SingletonHoge { String name = ""; static final SingletonHoge _singleton = SingletonHoge._internal(); factory SingletonHoge() { return _singleton; } SingletonHoge._internal() { // init } }
SingletonHoge hoge = SingletonHoge(); print (hoge.name); // "" hoge.name = "taro"; print (hoge.name); // "taro"
https://stackoverflow.com/questions/12649573/how-do-you-build-a-singleton-in-dart