![]() ![]() ![]() No crashes due to stopped activities: If the observer's lifecycle is inactive, such as in the case of an activity in the back stack, then it doesn't receive any LiveData events. No memory leaks: Observers are bound to Lifecycle objects and clean up after themselves when their associated lifecycle is destroyed. Instead of updating the UI every time the app data changes, your observer can update the UI every time there's a change. You can consolidate your code to update the UI in these Observer objects. LiveData notifies Observer objects when the lifecycle state changes. Advantages of Using LiveData:Įnsures your UI matches your data state: LiveData follows the observer pattern. This awareness ensures LiveData only updates app component observers that are in an active lifecycle state. Unlike a regular observable, LiveData is lifecycle-aware, meaning it respects the lifecycle of other app components, such as activities, fragments, or services. LiveData: LiveData is an observable data holder class. Its concept is to separate data presentation logicįrom business logic by moving it into particular class for a clear distinction. MVVM: Model-View-ViewModel (i.e MVVM) is a template of a client application architecture, proposed by John Gossman as an alternative to MVC and MVP patterns when using Data Binding technology. What is MVVM, LiveData, ViewModel, Model, Repository?Īnswer: Let's see what are the important concepts in MVVM. What is MVVM, LiveData, ViewModel, Model, Repository?ġ.Just follow the steps and you will be able to try out the same in your Android Studio as well. This example will demonstrate the working of MVVM using Live data and Retrofit in Kotlin. This is an example to demonstrate MVVM Architecture in Kotlin with Retrofit in Android. Android's MVVM Architecture in Kotlin ft.
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