Saver
Function
Common
public fun <Original, Saveable : Any> Saver(
save: SaverScope.(value: Original) -> Saveable?,
restore: (value: Saveable) -> Original?,
): Saver<Original, Saveable>
The Saver
describes how the object of Original
class can be simplified and converted into
something which is Saveable
.
What types can be saved is defined by SaveableStateRegistry
, by default everything which can be
stored in the Bundle class can be saved. The implementations can check that the provided value
can be saved via SaverScope.canBeSaved
You can pass the implementations of this class as a parameter for rememberSaveable
.
Parameters
save | Defines how to convert the value into a saveable one. If null is returned the value will not be saved. |
restore | Defines how to convert the restored value back to the original Class. If null is returned the value will not be restored and would be initialized again instead. |