Re: [android-developers] Dialog dismiss()

The problem is that you are attempting to update the UI in a foreign thread.
This line: progressDialog.dismiss();

You seem to be using a handler, so just change it to:
handler.postRunnable(new Runnable() {
@Override
public void run() {
progressDialog.dismiss();
});

Don't ever touch the UI outside of the UI thread.

To handle rotation, save a static instance of your activity in your
onCreate() method and remove it on onDestroy();
So, something like:

static MyActivity mStaticSelf = null;

onCreate() {
mStaticSelf = this;
}

Then change your handler code to:
@Override
public void run() {
mStaticSelf.progressDialog.dismiss();
});

On Thu, Sep 8, 2011 at 2:30 PM, Greg Donald <gdonald@gmail.com> wrote:
> On Thu, Sep 8, 2011 at 2:29 PM, TreKing <trekingapp@gmail.com> wrote:
>> On Thu, Sep 8, 2011 at 2:14 PM, Greg Donald <gdonald@gmail.com> wrote:
>>>
>>> How can I keep my dismiss() calls from blowing up?
>>
>> Keep a class-level reference to the dialog and dismiss it if you're being
>> destroyed.
>
> Well, I just have the one instance I reuse everywhere already.  And if
> what you said below about it being asynchronous is true, then my other
> checks to see if it's still around could still pass later.
>
> I don't get why if( this != null ) evaluates to true when the stack
> trace seems to imply the Activity is gone already.
>
>> 2 - You rotate device while it's still showing.
>
> Exactly what I'm hearing.  Rotate, boom.
>
>>>  Why doesn't try/catch work?
>>
>> I *think* because dismiss is asynchronous - calling dismiss just puts the
>> dialog in the queue for cleanup. I think.
>
> Geez..  I'm thinking I might just lock it in to landscape mode and
> forgo the grief.
>
>
> --
> Greg Donald
>
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