dont send any messages plzz

On Tue, Sep 4, 2012 at 10:37 PM, TreKing <treking...@gmail.com> wrote:

> On Tue, Sep 4, 2012 at 11:55 AM, Justin Anderson <magouyaw...@gmail.com>wrote:
>
>> there are callbacks to the ui, and recreating the ui while the service is
>>> running would mean that i have to maintain a lot of status information in
>>> the service, which is actually not the concern of the service at all... it
>>> just does its work, and fires some events... which of course don't affect
>>> the ui if the activity is finished....
>>>
>>
>> I completely disagree here... In a good OO design the different states of
>> the service should be maintained by the service, not by the Activity.
>> Maintaining the state of the service anywhere else (like the UI) would lead
>> to the service and the UI getting out of sync with one another... As an
>> example, the service could be finished but the UI would be out of date and
>> say that it is still running.
>
>
> I agree with Justin here. In fact, I'd take it a step further - the logic
> and state of whatever the Service is doing would be a completely separate
> business object that does the real work and maintains the state or status
> of that work. The Service is an Android-specific concept that you employ to
> make this object "go". The Activity is an Android-specific concept that you
> use to display the status of this business logic to the user.
>
> So this object should be doing the bulk of the work and the Service and
> Activity should merely be interfacing with it as necessary to accomplish
> their own purposes.
>
>
> -------------------------------------------------------------------------------------------------
> TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago
> transit tracking app for Android-powered devices
>
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