Having a formatter class that is expensive to instantiate but the function
fun format(number: Int): String
it uses then is side-effect free.
Where would you use it with Compose? In the ViewModel and expose the State as String or in Compose?
I intuitively would expose the number as state - and see the formatting as part of transforming the state to UI - so put it into the Compose part.
How would you then get this class in Compose - if for performance reasons I’d usually inject it as
@Singleton
or
@Reusable
via dagger?
b
Brian G
11/05/2021, 12:57 PM
I think you can use any common Singleton pattern for this?
If it's so slow you want to show a loading indicator in the UI, you can use coroutines to instantiate the singleton, and
