Android Clean Architecture (Lightning Talk)

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Android Clean Architecture Chuck Greb @ecgreb 30 Sept 2015 Android Alliance Philly GDG Philadelphia

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Why clean architecture? ● All powerful Activities and Fragments ● Separate business logic from Android framework ● Improved testability

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MVC Model View Controller

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MVC Supervising Controller ● The View relays user input to the Controller ● The Controller processes input and updates the Model ● Changes in Model state are used to update the View

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MVP Model View Presenter

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MVP Passive View ● View forwards user inputs and lifecycle events to the Presenter ● Presenter interacts with Model to format data for display

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MVVM Model View ViewModel

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MVVM Presentation Model ● ViewModel contains data field for every component in the View ● Data binding and synchronization

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MVPC Model View Presenter Controller

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MVPC WTF ● Modified version of MVP to accommodate Android framework ● Cleanly separates business logic from UI and Activity lifecycle ● Enables unit testing of non-Android components ○ Presenter ○ Model

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References Development of Further Patterns of Enterprise Application Architecture (DFPEAA) Martin Fowler Fragmented (Episode #11) - The Fowler Road to a Clean Architecture Donn Felker & Kaushik Gopal Android Architecture - A simple guide for MVC, MVP and MVVM on Android projects Thanos Karpouzis

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Thanks! Chuck Greb @ecgreb 30 Sept 2015 Android Alliance Philly GDG Philadelphia