MutableCreationExtras

Added in 2.5.0

Kotlin |Java

public final class MutableCreationExtras extends CreationExtras

java.lang.Object
↳	androidx.lifecycle.viewmodel.CreationExtras
	↳	androidx.lifecycle.viewmodel.MutableCreationExtras

A modifiable CreationExtras that holds pairs of CreationExtras.Key and Any, allowing efficient value retrieval for each key.

Each key in CreationExtras is unique, storing only one value per key.

See also
`CreationExtras`

Summary

Public constructors
`MutableCreationExtras(@NonNull CreationExtras initialExtras)` Constructs a `MutableCreationExtras` containing the elements of the specified `initialExtras`, in the order they are returned by the `CreationExtras`'s iterator.

Public methods
`T`	`<T extends Object> get(@NonNull CreationExtras.Key<@NonNull T> key)` Returns the value to which the specified `key` is associated, or null if this `CreationExtras` contains no mapping for the key.
`final void`	`<T extends Object> set(@NonNull CreationExtras.Key<@NonNull T> key, @NonNull T t)` Associates the specified `t` with the specified `key` in this `CreationExtras`.

Extension functions
`final void`	`CreationExtrasKt.plusAssign( @NonNull MutableCreationExtras receiver, @NonNull CreationExtras creationExtras )` Appends or replaces all entries from the given `creationExtras` in `this` mutable extras.

`boolean`	`equals(Object other)` Compares the specified object with this `CreationExtras` for equality.
`int`	`hashCode()` Returns the hash code value for this `CreationExtras`.
`@NonNull String`	`toString()` Returns a string representation of this `CreationExtras`.

Added in 2.5.0

public MutableCreationExtras(@NonNull CreationExtras initialExtras)

Constructs a MutableCreationExtras containing the elements of the specified initialExtras, in the order they are returned by the CreationExtras's iterator.

public T <T extends Object> get(@NonNull CreationExtras.Key<@NonNull T> key)

Returns the value to which the specified key is associated, or null if this CreationExtras contains no mapping for the key.

Added in 2.5.0

public final void <T extends Object> set(@NonNull CreationExtras.Key<@NonNull T> key, @NonNull T t)

Associates the specified t with the specified key in this CreationExtras.

public final void CreationExtrasKt.plusAssign(
    @NonNull MutableCreationExtras receiver,
    @NonNull CreationExtras creationExtras
)

Appends or replaces all entries from the given creationExtras in this mutable extras.