Step #1: Make it a static inner class Step #2: Manually associate your activity with the task in its constructor
Step #3: Return the task object from onRetainNonConfigurationInstance() of your activity Step #4: In onCreate() of your activity, check getLastNonConfigurationInstance(), and if it is not null, associate your new activity instance with the task via a setter Step #5: Use the activity within onPostExecute() Here is a sample project demonstrating the above: http://github.com/commonsguy/cw-android/tree/master/Rotation/RotationAsync/ On Thu, Sep 16, 2010 at 6:22 PM, dashman <[email protected]> wrote: > i've got an async task > > private class DownloadScheduleTask extends > AsyncTask<String,Void,String> > { > ProgressDialog progress; > > protected void onPreExecute() > { > > progress = ProgressDialog.show( StartupActivity.this, > null, > "Wait...", true, false ); > } > > protected String doInBackground(String... urls) > { > /* background task work here... */ > return data; > } > > protected void onPostExecute( String result ) > { > progress.dismiss(); > } > } > > when a screen is rotated, emulator crashes in onPostExecute because > looks like > ProgressDialog is no longer valid. > > how can i detect that progress instance var is no longer valid so that > i don't call dismiss() > > the dialog is off the screen anyway. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
