{% setvar book_path %}/android/reference/kotlin/_book.yaml{% endsetvar %} {% include "/android/_dackka-meta-tags.html" %}

com.google.android.gms.tasks

{% setvar page_path %}com/google/android/gms/tasks/package-summary.html{% endsetvar %} {% setvar doc_root_path %}/android/reference{% endsetvar %} {% setvar can_switch %}1{% endsetvar %} {% include "android/_kotlin_switcher2.md" %}

Interfaces

`Continuation`	A function that is called to continue execution after completion of a `Task`.
`OnCanceledListener`	Listener called when a `Task` is canceled.
`OnCompleteListener`	Listener called when a `Task` completes.
`OnFailureListener`	Listener called when a `Task` fails with an exception.
`OnSuccessListener`	Listener called when a `Task` completes successfully.
`OnTokenCanceledListener`	Listener called when a `CancellationToken` is canceled successfully.
`SuccessContinuation`	A function that is called to continue execution then a `Task` succeeds.

Classes

`CancellationToken`	Propagates notification that operations should be canceled.
`CancellationTokenSource`	Creates a new `CancellationToken` or cancels one that has already created.
`Task`	Represents an asynchronous operation.
`TaskCompletionSource`	Provides the ability to create `Task`-based APIs.
`TaskExecutors`	Standard `Executor` instances for use with `Task`.
`Tasks`	`Task` utility methods.

Exceptions

`DuplicateTaskCompletionException`	An exception indicating that something attempted to set a result, exception, or cancellation on a `Task` that was already completed.
`RuntimeExecutionException`	Runtime version of `java.util.concurrent.ExecutionException`.