<ul><li>In this final part, we'll create a unified analytics service that orchestrates multiple analytics clients using the Facade design pattern.</li><li>The Facade pattern provides a unified interface to a set of interfaces in a subsystem.</li><li>Our AnalyticsService implements the Facade pattern while also adhering to the AnalyticsClientBase contract</li><li>The facade handles analytics state management using KeyValueStorageService, which is just a wrapper around SharedPreferences.</li><li>The key to our facade is the _dispatch method which is used by every overriden method in the service.</li><li>The facade makes analytics calls simple and consistent.</li><li>The facade pattern makes it easy to add new analytics providers.</li><li>The facade can conditionally activate clients based on configuration.</li><li>The analytics architecture demonstrates several key software design principles.</li><li>This robust foundation allows for easy addition of new analytics providers while maintaining clean, maintainable code.</li></ul>

Flutter Analytics Service using Facade Design Pattern

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