Show us your code that deals with showing/hiding the progress bar and
show exactly what doesn't work.
Maybe we can figure it out :)
On Nov 7, 5:32 pm, Lee Jarvis <ljjar...@googlemail.com> wrote:
> Any other suggestions? I keep trying different things out but nothing
> seems to work, I keep seeing common applications with the same
> functionality which is making it more frustrating because I know it
> should work fine
>
> On 7 Nov, 17:29, Lee Jarvis <ljjar...@googlemail.com> wrote:
>
>
>
> > Thanks for your reply, it's made me understand things a little better.
>
> > Unfortunately that still doesn't seem to work..
>
> > The Toast popup appears twice, then the ProgressDialog just continues
> > to run regardless
>
> > On Nov 7, 5:14 pm, Streets Of Boston <flyingdutc...@gmail.com> wrote:
>
> > > Lance is absolutely right. I ran into this problem a few months ago.
>
> > > Possible solution:
> > > Hold a static handle to your currently active instance of your
> > > activity (works only if you have at most one active instance of your
> > > activity at any given time in your process).
>
> > > public class MyActivity extends Activity {
> > > public static final MyActivity ACTIVE_INSTANCE;
> > > private final static int DIALOG_TASKING = 1;
>
> > > ProgressDialog mLoadingDialog;
>
> > > @Override
> > > public void onCreate(Bundle savedInstanceState) {
>
> > > ACTIVE_INSTANCE = this;
>
> > > super.onCreate(savedInstanceState);
> > > setContentView(R.layout.main);
>
> > > new Task().execute();
> > > }
>
> > > @Override
> > > public void onDestroy() {
> > > super.onDestroy();
>
> > > ACTIVE_INSTANCE = null;
> > > }
>
> > > @Override
> > > protected Dialog onCreateDialog(int id) {
> > > switch (id) {
> > > case DIALOG_TASKING:
> > > mLoadingDialog = new ProgressDialog(this);
> > > mLoadingDialog.setMessage("Loading stuff..");
> > > mLoadingDialog.setCancelable(true);
> > > return mLoadingDialog;
> > > }
> > > return super.onCreateDialog(id);
> > > }
>
> > > private static class Task extends AsyncTask<Void, Void, Void> {
>
> > > protected void onPreExecute() {
> > > ACTIVE_INSTANCE.showDialog(DIALOG_TASKING);
> > > }
>
> > > protected Void doInBackground(Void... unused) {
> > > for (int i = 0; i < 4000000; i++) { }; // just
> > > to take some time up
> > > return null;
> > > }
>
> > > protected void onPostExecute(Void unused) {
> > > ACTIVE_INSTANCE.dismissDialog
> > > (DIALOG_TASKING);
> > > Toast.makeText(ACTIVE_INSTANCE, "Finished..",
> > > Toast.LENGTH_LONG).show();
> > > }
> > > }
>
> > > }
>
> > > You may need to put null checks in your code before using
> > > ACTIVE_INSTANCE.
> > > But, you get the idea :)
>
> > > On Nov 7, 11:45 am, Lee Jarvis <ljjar...@googlemail.com> wrote:
>
> > > > Ah ok, that makes sense. Thanks for your reply. I understand what
> > > > you're saying, but in all honesty after trying another 3 examples I'm
> > > > still unable to resolve this, could you possibly provide some kind of
> > > > example for what would work?
>
> > > > Seems if I use a reference to a ProgressDialog in my activity it'll
> > > > leak, and if I use the showDialog() methods it'll continue forever.
>
> > > > Thanks
>
> > > > On Nov 7, 4:39 pm, Lance Nanek <lna...@gmail.com> wrote:
>
> > > > > >private final class Task extends AsyncTask<Void, Void, Void> {
> > > > > ...
> > > > > >dismissDialog(DIALOG_TASKING);
>
> > > > > A non-static inner class like this has a reference to the instance of
> > > > > the class that created it. So that dismissDialog call probably goes to
> > > > > the previous instance of your activity in this case. Not the current
> > > > > one if there has been an orientation change and the activity has been
> > > > > recreated.
>
> > > > > >public void onDestroy() {
> > > > > >dismissDialog(DIALOG_TASKING);
>
> > > > > This is called too late to matter. Dialogs created by showDialog are
> > > > > managed by the Activity class. It records which dialogs have to be
> > > > > reshown when the activity is recreated due to an orientation change.
> > > > > It does so right after the call to onSaveInstanceState. That happens
> > > > > before onDestroy.
>
> > > > > On Nov 7, 9:53 am, Lee Jarvis <ljjar...@googlemail.com> wrote:
>
> > > > > > I apologise if I'm missing something or just being stupid.. But i've
> > > > > > tried the following..
>
> > > > > > @Override
> > > > > > public void onDestroy() {
> > > > > > dismissDialog(DIALOG_TASKING);
> > > > > > super.onDestroy();
> > > > > > }
>
> > > > > > The dialog is only dismissed if I DONT change orientation, otherwise
> > > > > > the "finished" toast will show, but the ProgressDialog will never
> > > > > > actually disappear.
>
> > > > > > On Nov 7, 2:41 pm, Mark Murphy <mmur...@commonsware.com> wrote:
>
> > > > > > > Lee Jarvis wrote:
> > > > > > > > This code (kinda) works, the only problem is dismissing the
> > > > > > > > dialog if
> > > > > > > > the activity is recreated. I've tried dismissing it if
> > > > > > > > mTaskComplete
> > > > > > > > is true but I guess by that time it's lost reference to the
> > > > > > > > ProgressDialog.
>
> > > > > > > You may need to dismiss the dialog in onDestroy() and reopen it in
> > > > > > > onCreate(), if the flag is true.
>
> > > > > > > --
> > > > > > > Mark Murphy (a Commons
> > > > > > > Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> > > > > > > Android App Developer
> > > > > > > Books:http://commonsware.com/books-Hidequotedtext -
>
> > > > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -
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