December 2013
Intermediate to advanced
146 pages
3h 5m
English
Content preview from Asynchronous AndroidBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2. Staying Responsive with AsyncTask
The first Android-specific concurrency construct we'll look at is android.os.AsyncTask, a neat construct that encapsulates the messy business of managing threads, performing background work, and publishing progress and results back to the main thread to update the user interface.
In this chapter we will cover the following topics:
- Introducing
AsyncTask - Declaring
AsyncTasktypes - Executing AsyncTasks
- Providing feedback to the user
- Providing progress updates
- Canceling AsyncTasks
- Handling exceptions
- Controlling the level of concurrency
- Common
AsyncTaskissues - Applications of
AsyncTask
Introducing AsyncTask
AsyncTask was introduced in Android at API level 3, Cupcake, with the express purpose of helping developers to ...
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