Open the AndroidManifest.xml file and add the internet permission above the application element. Inside the android block, add viewBinding block with property enabled to true.ģ.Implementation "androidx.lifecycle:lifecycle-extensions:2.2.0" Add the below libraries under the dependencies section :.Open app-level adle file and add the below changes: Create a new project by going to File ⇒ New Android Project, select Empty Activity, provide app name, select language to kotlin and then finally click on finish.Ģ. One of the important implementation strategies of this layer is to decouple it from the View, i.e, ViewModel should not be aware of the view who is interacting with. ViewModel interacts with the model and also prepares observable(s) that can be observed by a View. The view role in this pattern is to observe (or subscribe to) a ViewModel observable to get data in order to update UI elements accordingly. The view consists of the UI Code(Activity, Fragment), XML. It consists of the business logic – local and remote data source, model classes, repository. The model represents the data and the business logic of the Application. Its target is to keep UI code simple and free of app logic in order to make it easier to manage and test.It allows separating the user interface logic from the business (or the back-end) logic.MVVM architecture is a Model-View-ViewModelarchitecture.
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