Re: [android-developers] Updating UI from external

On Sat, Aug 20, 2011 at 7:15 AM, Ash <anangia@gmail.com> wrote:
> My question is how can use myObserver class to update the button in
> 'myActivity'.

Step #1: have MyObserver hold onto an instance of MyActivity

Step #2: have MyObserver call methods on the MyActivity instance

> The function 'onConnect' and 'onDisconnect' can be called at any time and I
> don't wish to implement polling (or timer) to check for variable status.

If there are concerns about those methods being called on background
threads, use runOnUiThread on MyActivity to force the UI update work
to be done on the main application thread.

--
Mark Murphy (a Commons Guy)
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_The Busy Coder's Guide to Android Development_ Version 3.6 Available!

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