Accessing UI thread handler from a service

Question

I am trying some thing new on Android for which I need to access the handler of the UI thread.

I know the following:

1. The UI thread has its own handler

Answer 1

Create a Messenger object attached to your Handler and pass that Messenger to the Service (e.g., in an Intent extra for startService()). The Service can then send a Message to the Handler via the Messenger. Here is a sample application demonstrating this.