Ahh my bad .. i post the stack trace and just realized what was happening in the code.
On May 5, 11:34 pm, NeeravA <[email protected]> wrote: > The tutorial does not exactly say why it crashes on hitting the back > button. The crash happens in part2. > > the link for part3 is as > follows.http://developer.android.com/resources/tutorials/notepad/notepad-ex3.... > > check out step 1. > > i see this stack trace. > java.lang.RuntimeException: Failure delivering result > ResultInfo{who=null, request=1, result=0, data=null} to activity > {com.android.demo.notepad2/com.android.demo.notepad2.Notepadv2}: > java.lang.NullPointerException > > On May 5, 11:43 am, Justin Anderson <[email protected]> wrote: > > > > > If I remember correctly, doesn't that tutorial have more parts to it that > > explain why it crashes and the steps needed to fix it? > > > ---------------------------------------------------------------------- > > There are only 10 types of people in the world... > > Those who know binary and those who don't. > > ---------------------------------------------------------------------- > > > On Wed, May 5, 2010 at 8:28 AM, TreKing <[email protected]> wrote: > > > On Tue, May 4, 2010 at 10:24 PM, NeeravA <[email protected]> wrote: > > > >> Can someone explain why does it crash on hitting the back button. I mean > > >> in terms of the lifecycle of the activity. > > > > Not without more information. Have you run the tutorial? Does it crash as > > > it says? What's the stack trace at that point? > > > > ------------------------------------------------------------------------------------------------- > > > TreKing - Chicago transit tracking app for Android-powered devices > > >http://sites.google.com/site/rezmobileapps/treking > > > > -- > > > 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]<android-beginners%[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 > > athttp://stackoverflow.com/questions/tagged/android > > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group > > athttp://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 > athttp://stackoverflow.com/questions/tagged/android > > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group > athttp://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

