settings library Null safety

Copyright (C) 2018 Andrious Solutions

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

     Created  24 Dec 2018

Classes

AppSettings
Readily supply the app's settings in an about window.
Prefs
The App's Preferences.
SharedPreferences
Wraps NSUserDefaults (on iOS) and SharedPreferences (on Android), providing a persistent store for simple data. [...]