TMP 4

lib/store/authentication_store.dart

@@ -0,0 +1,23 @@
+import 'package:mobx/mobx.dart';
+
+part 'authentication_store.g.dart';
+
+class AuthenticationStore = AuthenticationStoreBase with _$AuthenticationStore;
+
+enum AuthenticationState { uninitialized, installed, allowed, denied }
+
+abstract class AuthenticationStoreBase with Store {
+  AuthenticationStoreBase() : state = AuthenticationState.uninitialized;
+
+  @observable
+  AuthenticationState state;
+
+  @action
+  void installed() => state = AuthenticationState.installed;
+
+  @action
+  void allowed() => state = AuthenticationState.allowed;
+
+  @action
+  void denied() => state = AuthenticationState.denied;
+}