tutorial Android: http://www.facebook.com/group.php?gid=268882243055&ref=mf
2010/1/5 Justin Anderson <[email protected]>: > Code? > ---------------------------------------------------------------------- > There are only 10 types of people in the world... > Those who know binary and those who don't. > ---------------------------------------------------------------------- > > > On Tue, Dec 29, 2009 at 3:29 PM, Syx <[email protected]> wrote: >> >> I get that. This is not the issue. In both cases, the activity goes >> through the same cycle and calls the same activity lifecycle methods. >> >> Also, the exception comes from the onSaveInstanceState method when I >> try to a Serializable object in the Bundle. I don't see how adding >> anything to the other methods will help? >> >> To explain better, this is what happens: >> >> [Start the activity] >> .. onCreate() >> .. onStart() >> .. onResume() >> >> [Rotate screen] >> .. onSaveInstanceState() >> .. onPause() >> .. onStop() >> .. onDestroy() >> .. onCreate() >> .. onStart() >> .. onResume() >> >> [Rotate back] >> .. onSaveInstanceState() >> .. onPause() >> .. onStop() >> .. onDestroy() >> .. onCreate() >> .. onStart() >> .. onResume() >> >> [Open a new activity in front of it or press home] >> .. onSaveInstanceState() >> -- > java.lang.RuntimeException: Parcelable encountered IOException >> writing serializable object >> -- > Caused by: java.io.NotSerializableException >> >> On Dec 23, 10:04 am, Nithin <[email protected]> wrote: >> > > However, if either press home, or open another app in front of mine >> > > (eg, from the notification bar) then I get the following error: >> > >> > So, if you press home or open another activity through notification, >> > your current Activity has lost focus and invisible, so it will be call >> > onPause() and onStop() and open the new application. When coming again >> > to your current Activity, its calling onRestart(), onStart() and >> > onResume(). So you need to code accordingly. >> > >> > Nithin >> > >> > On Dec 22, 4:38 am, Syx <[email protected]> wrote: >> > >> > >> > >> > > Hi, >> > >> > > So I have an app that downloads and displays a list of messages. I >> > > have two main classes that I use >> > > - my own adapter which extends ArrayAdapter to display the list >> > > items in a specific way >> > > - and a mailbox class which has an ArrayList in it amongst other >> > > things >> > >> > > Both of these classes implement Serializable. In my >> > > onSaveInstanceState method, I have the following: >> > >> > > @Override >> > > protected void onSaveInstanceState(Bundle outState) { >> > > super.onSaveInstanceState(outState); >> > > outState.putSerializable("savedAdapter", m_adapter); >> > > outState.putSerializable("savedMailbox", m_mailbox); >> > > } >> > >> > > I have nothing in my onStart/onResume/onPause/onStop/onDestroy >> > > methods. My onCreate method checks whether inState is null and does >> > > the appropriate thing. >> > >> > > So here is my problem: >> > >> > > When I rotate the screen, onSaveInstanceState() saves the all three >> > > objects, the activity is destroyed, recreated, and onCreate() extracts >> > > them all perfectly. Great. >> > >> > > However, if either press home, or open another app in front of mine >> > > (eg, from the notification bar) then I get the following error: >> > >> > > ERROR/AndroidRuntime(16961): java.lang.RuntimeException: Parcelable >> > > encountered IOException writing serializable object (name = <my app> >> > > $MessageAdapter) >> > > ... >> > > ERROR/AndroidRuntime(16961): Caused by: >> > > java.io.NotSerializableException: <my app>$3 >> > >> > > If I delete the relevant putSerializable line, then I get the same >> > > error for Mailbox. >> > >> > > Why is it behaving in different ways when they are following exactly >> > > the same activity life cycle? >> > > And why would it throw an NotSerializableException at all when both >> > > classes implement serializable and work when I rotate the screen? >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Beginners" group. >> >> NEW! Try asking and tagging your question on Stack Overflow at >> http://stackoverflow.com/questions/tagged/android >> >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/android-beginners?hl=en > > > -- > You received this message because you are subscribed to the Google > Groups "Android Beginners" group. > > NEW! Try asking and tagging your question on Stack Overflow at > http://stackoverflow.com/questions/tagged/android > > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-beginners?hl=en > >
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