57.9 Running the Application

Run the application and, once loaded, touch the Start Service button. Within the Logcat tool window (using the ServiceExample filter created previously) the log messages will appear indicating that the onCreate() method was called and that the loop in the onStartCommand() method is executing.

Before the final loop message appears, attempt to touch the Start Service button a second time. Note that the button is unresponsive. After approximately 20 seconds, the system may display a warning dialog containing the message “ServiceExample isn’t responding”. The reason for this is that the main thread of the application is currently being held up by the service while it performs the looping task. Not only does this prevent the application from responding to the user, but also to the system, which eventually assumes that the application has locked up in some way.

Clearly, the code for the service needs to be modified to perform tasks...