> > A reference to tv has to be set outside onCreate() > TextView tv has to be a member variable.
Inside the onCreate() tv is short lived. > > 02-24 16:09:25.374: ERROR/AndroidRuntime(537): Caused by: > java.lang.NullPointerException > 02-24 16:09:25.374: ERROR/AndroidRuntime(537): at > it.prova.EmptyActivity.onCreate(EmptyActivity.java:22) > 02-24 16:09:25.374: ERROR/AndroidRuntime(537): at > android.app.Instrumentation.callActivityOnCreate(Instrumentation.java: > 1047) > 02-24 16:09:25.374: ERROR/AndroidRuntime(537): at > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > 2627) > 02-24 16:09:25.374: ERROR/AndroidRuntime(537): ... 11 more > > I'm using sdk r11 and adt v10. > > I think there is a problem with resources. > > Any idea? > > Thanks. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > 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 android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
