Please show us the stack trace generated by the exception. On Thu, Jan 5, 2012 at 11:46 AM, John Davis <davi...@gmail.com> wrote: > Hello Mark, > > Nope. > for (int i=0;i<numRows;i++) { > // If it is the 2nd or 5th item, tag it so that it will be > displayed in blue. > if (i==2 || i==5) { > listCount = adapter.getCount(); > count = theList.getCount(); > fooView = (View) theList.getItemAtPosition(i); > // fooView.setTag(99); > } > > i=2, listCount = 6 and count = 6. The listview stored in theList is > functional, since it retuns the result provided by getCount. It is > also in agreement with the array adapter count. > theList.getItemAtPositon(5) should either return the item or null. It > raises and exception. That is a bug. > > Once again, the docs say: > ========================= > public Object getItemAtPosition (int position) > > Since: API Level 1 > Gets the data associated with the specified position in the list. > Parameters > > position Which data to get > Returns > > The data associated with the specified position in the list > > =============== > > On Thu, Jan 5, 2012 at 2:31 PM, Mark Murphy <mmur...@commonsware.com> wrote: >> 2012/1/5 John Davis <davi...@gmail.com>: >>> The only exception which i can find is >>> javalang.unsupportedOperationException. >>> as I was saying the api has a bug. The docs say you can get the data, >>> when you try to so you get an exception. Either the docs are incorrect >>> or its a bug. >> >> Yes, it is a bug in your code. My guess is that you are asking for an >> invalid position, perhaps because numRows is greater than getCount(). >> >> -- >> Mark Murphy (a Commons Guy) >> http://commonsware.com | http://github.com/commonsguy >> http://commonsware.com/blog | http://twitter.com/commonsguy >> >> Warescription: Three Android Books, Plus Updates, One Low Price! >> >> -- >> 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 > > > > -- > John F. Davis > > 独树一帜 > > -- > 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
-- Romain Guy Android framework engineer romain...@android.com -- 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