ActionParameters
Class
Android
abstract class ActionParameters internal constructor()
Action parameters, used to pass information to an Action.
Construct action parameters using actionParametersOf or mutableActionParametersOf, with typed
key-value pairs. The Key class enforces typing of the values inserted.
Functions
abstract operator fun <T : Any> contains(key: Key<T>): Boolean
Returns true if the Parameters set contains the given Key.
Parameters
| key | the key to check for |
abstract operator fun <T : Any> get(key: Key<T>): T?
Get a parameter with a key. If the key is not set, returns null.
cannot be cast to T
Parameters
| T | the type of the parameter |
| key | the key for the parameter |
abstract fun <T : Any> getOrDefault(key: Key<T>, defaultValue: @UnsafeVariance T): T
Get a parameter with a key. If the key is not set, returns the provided default value.
cannot be cast to T
Parameters
| T | the type of the parameter |
| key | the key for the parameter |
| defaultValue | the default value to return if key is missing |
abstract fun asMap(): Map<Key<out Any>, Any>
Retrieves a map of all key value pairs. The map is unmodifiable, and attempts to mutate it will throw runtime exceptions.
Returns
| a map of all parameters in this Parameters |
abstract fun isEmpty(): Boolean
Returns whether there are any keys stored in the parameters.
