Summary: Ctors | Methods | Inherited Methods

ActivityResultLauncher

Kotlin |Java

public abstract class ActivityResultLauncher
extends Object

java.lang.Object
↳	androidx.activity.result.ActivityResultLauncher<I>

A launcher for a previously-prepared call to start the process of executing an ActivityResultContract.

Summary

Public constructors
`ActivityResultLauncher()`

Public methods
`abstract ActivityResultContract<I, ?>`	`getContract()` Get the `ActivityResultContract` that was used to create this launcher.
`void`	`launch(I input)` Executes an `ActivityResultContract`.
`abstract void`	`launch(I input, ActivityOptionsCompat options)` Executes an `ActivityResultContract`.
`abstract void`	`unregister()` Unregisters this launcher, releasing the underlying result callback, and any references captured within it.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()`
`boolean`	`equals(Object arg0)`
`void`	`finalize()`
`final Class<?>`	`getClass()`
`int`	`hashCode()`
`final void`	`notify()`
`final void`	`notifyAll()`
`String`	`toString()`
`final void`	`wait(long arg0, int arg1)`
`final void`	`wait(long arg0)`
`final void`	`wait()`

Public constructors

ActivityResultLauncher

public ActivityResultLauncher ()

Public methods

getContract

public abstract ActivityResultContract<I, ?> getContract ()

Get the ActivityResultContract that was used to create this launcher.

Returns
`ActivityResultContract<I, ?>`	the contract that was used to create this launcher

launch

public void launch (I input)

Executes an ActivityResultContract.

This method throws ActivityNotFoundException if there was no Activity found to run the given Intent.

Parameters
`input`	`I`: the input required to execute an `ActivityResultContract`.

Throws
`ActivityNotFoundException`

launch

public abstract void launch (I input, 
                ActivityOptionsCompat options)

Executes an ActivityResultContract.

This method throws ActivityNotFoundException if there was no Activity found to run the given Intent.

Parameters
`input`	`I`: the input required to execute an `ActivityResultContract`.
`options`	`ActivityOptionsCompat`: Additional options for how the Activity should be started.

Throws
`ActivityNotFoundException`

unregister

public abstract void unregister ()

Unregisters this launcher, releasing the underlying result callback, and any references captured within it. You should call this if the registry may live longer than the callback registered for this launcher.