RecyclerView.Adapter.StateRestorationPolicy
enum RecyclerView.Adapter.StateRestorationPolicy
Defines how this Adapter wants to restore its state after a view reconstruction (e.g. configuration change).
Summary
Enum Values |
|
|---|---|
ALLOW |
Adapter is ready to restore State immediately, RecyclerView will provide the state to the LayoutManager in the next layout pass. |
PREVENT |
RecyclerView will not restore the state for the Adapter until a call to |
PREVENT_WHEN_EMPTY |
Adapter is ready to restore State when it has more than 0 items. |
Public functions |
|
|---|---|
java-static RecyclerView.Adapter.StateRestorationPolicy! |
Returns the enum constant of this type with the specified name. |
java-static Array<RecyclerView.Adapter.StateRestorationPolicy!>! |
values()Returns an array containing the constants of this enum type, in the order they're declared. |
Enum Values
ALLOW
val RecyclerView.Adapter.StateRestorationPolicy.ALLOW: RecyclerView.Adapter.StateRestorationPolicy
Adapter is ready to restore State immediately, RecyclerView will provide the state to the LayoutManager in the next layout pass.
PREVENT
val RecyclerView.Adapter.StateRestorationPolicy.PREVENT: RecyclerView.Adapter.StateRestorationPolicy
RecyclerView will not restore the state for the Adapter until a call to setStateRestorationPolicy is made with either ALLOW or PREVENT_WHEN_EMPTY.
PREVENT_WHEN_EMPTY
val RecyclerView.Adapter.StateRestorationPolicy.PREVENT_WHEN_EMPTY: RecyclerView.Adapter.StateRestorationPolicy
Adapter is ready to restore State when it has more than 0 items. RecyclerView will provide the state to the LayoutManager as soon as the Adapter has 1 or more items.
Public functions
valueOf
java-static fun valueOf(name: String!): RecyclerView.Adapter.StateRestorationPolicy!
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
| Returns | |
|---|---|
RecyclerView.Adapter.StateRestorationPolicy! |
the enum constant with the specified name |
| Throws | |
|---|---|
java.lang.IllegalArgumentException |
if this enum type has no constant with the specified name |
values
java-static fun values(): Array<RecyclerView.Adapter.StateRestorationPolicy!>!
Returns an array containing the constants of this enum type, in the order they're declared. This method may be used to iterate over the constants.
| Returns | |
|---|---|
Array<RecyclerView.Adapter.StateRestorationPolicy!>! |
an array containing the constants of this enum type, in the order they're declared |