Hello Mariano Kamp, * * *Usually This kind of exception comes when your are not closing cursor mainly when you press home key or End Key .Or doing delete operation on Same table which you are fetching data.* *Be ensure When there is No data in table for which you are retrieving data you display some toast and close activity or Display some TextView rather than ListView. * On Mon, Nov 1, 2010 at 11:05 PM, Mariano Kamp <[email protected]>wrote:
> Any idea how I can get to the bottom of this? > > I am wondering if this error message means that the list view ask for the > number of rows in the list adapter, but during the rendering of the list > this number changes (is reduced). That code is not in my hand though. > > How would I deal with that? > > Currently I change the database on a background thread, send a notification > (notification in the generic sense, not an Android notification) afterwards > and the listeners that want to change the UI (like refreshUI() form below) > use runOnUiThread() to process the event. > > On Mon, Nov 1, 2010 at 5:34 PM, Romain Guy <[email protected]> wrote: > > This kind of error usually happens when there's a concurrency issue in > the application. > > On Mon, Nov 1, 2010 at 4:02 AM, Mariano Kamp <[email protected]> > wrote: > > Hi, > > I occasionally get exceptions like this one here: > > android.database.CursorIndexOutOfBoundsException: Index 0 requested, with > a > > size of 0 > > at android.database.AbstractCursor.checkPosition(AbstractCursor.java:580) > > at > > > android.database.AbstractWindowedCursor.checkPosition(AbstractWindowedCursor.java:172) > > at > > > android.database.AbstractWindowedCursor.getLong(AbstractWindowedCursor.java:99) > > at > android.database.AbstractCursor.moveToPosition(AbstractCursor.java:194) > > at android.widget.CursorAdapter.getView(CursorAdapter.java:177) > > at android.widget.AbsListView.obtainView(AbsListView.java:1254) > > at android.widget.ListView.measureHeightOfChildren(ListView.java:1142) > > at android.widget.ListView.onMeasure(ListView.java:1055) > > at android.view.View.measure(View.java:7117) > > at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2929) > > at android.widget.FrameLayout.onMeasure(FrameLayout.java:245) > > at android.view.View.measure(View.java:7117) > > at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2929) > > at > > > android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:888) > > at android.widget.LinearLayout.measureVertical(LinearLayout.java:350) > > at android.widget.LinearLayout.onMeasure(LinearLayout.java:278) > > at android.view.View.measure(View.java:7117) > > at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2929) > > at android.widget.FrameLayout.onMeasure(FrameLayout.java:245) > > at android.view.View.measure(View.java:7117) > > at android.widget.LinearLayout.measureVertical(LinearLayout.java:464) > > at android.widget.LinearLayout.onMeasure(LinearLayout.java:278) > > at android.view.View.measure(View.java:7117) > > at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2929) > > at android.widget.FrameLayout.onMeasure(FrameLayout.java:245) > > at android.view.View.measure(View.java:7117) > > at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2929) > > at android.widget.FrameLayout.onMeasure(FrameLayout.java:245) > > at android.view.View.measure(View.java:7117) > > at android.view.ViewRoot.performTraversals(ViewRoot.java:866) > > at android.view.ViewRoot.handleMessage(ViewRoot.java:1718) > > at android.os.Handler.dispatchMessage(Handler.java:99) > > at android.os.Looper.loop(Looper.java:123) > > at android.app.ActivityThread.main(ActivityThread.java:3948) > > at java.lang.reflect.Method.invokeNative(Native Method) > > at java.lang.reflect.Method.invoke(Method.java:521) > > at > > > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) > > at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) > > at dalvik.system.NativeStart.main(Native Method) > > My own code isn't really touched in this stack trace and I am wondering > what > > I might be doing wrong here? > > I suspect it is something about the coordination of redraw/invalidation > > events, but I don't know where to look exactly. > > When I update the model (the sqlitedatabase) I run the following code on > the > > UI thread afterwards: > > > > void refreshUI() { > > > > ((BaseAdapter) getListAdapter()).notifyDataSetChanged(); > > > > // the remaining calls are just included for completeness > > > > // they update different ui elements, but don't access the cursor > in > > any way. > > > > updateButtons(); > > > > updateControlPanelTitle(); > > > > updateProgressBar(); > > > > } > > > > Any other information I can provide? > > > > Cheers, > > > > Mariano > > > > > -- > > 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]<android-developers%[email protected]> > > For more options, visit this group at > > http://groups.google.com/group/android-developers?hl=en > > -- > Romain Guy > Android framework engineer > [email protected] > > Note: please don't send private questions to me, as I don't have time > to provide private support. All such questions should be posted on > public forums, where I and others can see and answer them > > -- > 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]<android-developers%[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]<android-developers%[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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