Android How to Program, 3/e

J.14 Creating and Executing Threads with the Executor Framework

This section demonstrates how to perform concurrent tasks in an application by using Executors and Runnable objects.

Creating Concurrent Tasks with the Runnable Interface

You implement the Runnable interface (of package java.lang) to specify a task that can execute concurrently with other tasks. The Runnable interface declares the single method run, which contains the code that defines the task that a Runnable object should perform.

Executing Runnable Objects with an Executor

To allow a Runnable to perform its task, you must execute it. An Executor object executes Runnables. An Executor does this by creating and managing a group of threads called a thread pool. When an Executor ...