I see a method isShowing() 

but if the Dialog instance has been dismissed - won't that instance be gone

and therefore dialog.isShowing() would result in an error.

the problem i'm trying to make sure doesn't happen is the Asynctask
fnishing after the dialog closes and I try to write to a dialog control 
that no longer exists.



On Saturday, January 26, 2013 8:25:24 PM UTC-5, TreKing wrote:
>
>
> On Sat, Jan 26, 2013 at 4:04 PM, dashman <[email protected] 
> <javascript:>>wrote:
>
>> Is it possible byt the time the AlertDialog finishes that the
>> AlertDialog is closed - i.e. ui control no longer valid.
>>
>
> I assume you meant "by" and "the AsyncTask finishes" - yes, of course it's 
> possible. You just have to dismiss the dialog faster than it takes the task 
> to run.
>  
>
>> Or will the AsyncTask close automatically if the AlertDialog is closed.
>>
>
> AsyncTask is not something that "closes". You can *cancel* it, if that's 
> what you mean. But it doesn't do that automatically either. It does what 
> you tell it to do. In this case, if your dialog goes away, you need to tell 
> the task to stop doing what it's doing.
>
> how can i tell if the AlertDialog is shown or no longer active.
>>
>
> Look at it's documentation. There are methods for being told when it is 
> dismissed, canceled, or is currently showing.
>
>
> -------------------------------------------------------------------------------------------------
> TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago 
> transit tracking app for Android-powered devices
>  

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