LiveData is an observable data holder class. Unlike a regular observable, LiveData is lifecycle-aware, meaning it respects the lifecycle of other app components, such as activities, fragments, or services. This awareness ensures LiveData only updates app component observers that are in an active lifecycle state.

What is live data in Android example?

LiveData is a part of the architecture patterns. It’s basically a data holder that contains primitive/collection types. It’s used for observing changes in the view and updating the view when it is ACTIVE.

When should you not use LiveData?

When NOT to Use LiveData

• You need to use a lot of operators on data. Even though LiveData provides such a tool as Transformations, there is only map and switchMap to your help out of the box. …
• You don’t have UI interactions with data. …
• You have one-shot asynchronous operations. …
• You don’t need to persist cached data into UI.

23 окт. 2019 г.