Overview
Classes: Task, TaskCancelledNotification, TaskCustomNotification, TaskFailedNotification, TaskFinishedNotification, TaskManager, TaskNotification, TaskProgressNotification, TaskStartedNotification
Classes
class Task
A Task is a subclass of Runnable that has a name
and supports progress reporting and cancellation. 
class TaskCancelledNotification
This notification is posted by the TaskManager for
every task that has been cancelled.
class TaskCustomNotification
This is a template for "custom" notification.
class TaskFailedNotification
This notification is posted by the TaskManager for
every task that has failed with an exception.
class TaskFinishedNotification
This notification is posted by the TaskManager for
every task that has finished.
class TaskManager
The TaskManager manages a collection of tasks
and monitors their lifetime.
class TaskNotification
Base class for TaskManager notifications.
class TaskProgressNotification
This notification is posted by the TaskManager for
a task when its progress changes.
class TaskStartedNotification
This notification is posted by the TaskManager for
every task that has been started.