Ok, so if you had a spinner where each option would be used as a parameter to an async task but you didnt want to repeat that same async task after rotating what would be best approach?
regards, On Wed, Dec 21, 2011 at 11:24 PM, Kostya Vasilyev <[email protected]>wrote: > You can launch the task any place you like, just don't expect to be able > to check if one already exists by calling getLast... (sorry, I'm not typing > that again) anywhere but in onCreate. > > So: call getLast in onCreate, save the value someplace, and then you'll > have a way of checking if you need to launch a new task or wait for an > existing one to complete. > 22.12.2011 3:18 пользователь "João Rossa" <[email protected]> написал: > > But if i want to launch a task based on the spinner value how do you that >> without calling the task in the itemlistener? >> >> regards, >> >> On Wed, Dec 21, 2011 at 10:34 PM, Kostya Vasilyev <[email protected]>wrote: >> >>> The spinner has nothing to do with this, per se. >>> >>> Get your exising task, if any, by calling getLast... *inside onCreate*. >>> >>> 22 декабря 2011 г. 2:19 пользователь João Rossa <[email protected]> >>> написал: >>> > So basically you can not use the combination of >>> > onRetainNonConfigurationInstance()/ >>> getLastNonConfigurationInstance () with >>> > the task inside the spinner listener????because i wanted to aunch tasks >>> > according to the option selected of the spinner.... >>> > >>> > >>> > 2011/12/21 Kostya Vasilyev <[email protected]> >>> >> >>> >> The value returned by getLastNonConfigurationInstance is cleared to >>> >> null very soon after you're supposed to have used it - onCreate. >>> >> >>> >> So, don't delay, make it quick, grab it while you can, inside your >>> >> onCreate, and hold on to it. >>> >> >>> >> ( IIRC, the value doesn't stay around long enough to be retrieved in >>> >> onStart or onResume -- not to mention much later, when the UI is >>> >> completely up and running with your spinner ) >>> >> >>> >> -- Kostya >>> >> >>> >> 22 декабря 2011 г. 0:06 пользователь Bluemercury < >>> [email protected]> >>> >> написал: >>> >> > Hi all! so currently i have an activity that laucnhes an async task >>> from >>> >> > inside the spinner onItemSelected method with the select int year >>> value: >>> >> > >>> >> > spinYears.setOnItemSelectedListener( >>> >> > new OnItemSelectedListener() { >>> >> > >>> >> > @Override >>> >> > public void onItemSelected(AdapterView<?> item, View arg1, >>> >> > int arg2, long arg3) { >>> >> > >>> >> > yearSelected=(Integer) item.getSelectedItem(); >>> >> > doAsyncTask(); >>> >> > >>> >> > } >>> >> > >>> >> > @Override >>> >> > public void onNothingSelected(AdapterView<?> arg0) { >>> >> > // TODO Auto-generated method stub >>> >> > >>> >> > }}); >>> >> > >>> >> > here's the doAsyncTask method: >>> >> > >>> >> > /** >>> >> > * do asynctask for background work >>> >> > */ >>> >> > public void doAsyncTask(){ >>> >> > //get task back in case of rotation >>> >> > task= (QuadrosMobileActivityTask<?, ?, >>> >> > ?>)getLastNonConfigurationInstance(); >>> >> > >>> >> > if(task==null){ >>> >> > task=new PeriodoFeriasDbAsyncTask(this); >>> >> > >>> ((PeriodoFeriasDbAsyncTask)task).execute(yearSelected); >>> >> > }else{ >>> >> > task.attach(this); >>> >> > } >>> >> > } >>> >> > >>> >> > >>> >> > if i rotate the phone the task runs again, but if i put the >>> >> > doAsyncTask() >>> >> > method call outside of the listener it works as it should.....any >>> reason >>> >> > for >>> >> > this?why would calling a task inside the spinner listener be >>> different? >>> >> > >>> >> > regards, >>> >> > >>> >> > >>> >> > -- >>> >> > 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 >>> >> >>> >> -- >>> >> 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 >>> > >>> > >>> > -- >>> > 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 >>> >>> -- >>> 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 >>> >> >> -- >> 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 > > -- > 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 > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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