Changes

== A Basic Threading Example ==

The remainder of this chapter will work through some simple examples intended provide a basic introduction to threads. The first step will be to highlight the importance of performing time-consuming tasks in a separate thread from the main thread. Begin, therefore, by creating a new project in Android Studio, entering ThreadExample into the Application name field and ebookfrenzy.com as the Company Domain setting before clicking on the Next button.

A close inspection of the updated code for the buttonClick() method will reveal that the code to update the TextView has been removed. As previously stated, updating a user interface element from within a thread other than the main thread violates a key rule of Android development. In order to update the user interface, therefore, it will be necessary to implement a Handler for the thread.

== Implementing a Thread Handler ==

<hr>

<table border="0" cellspacing="0" width="100%">