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androidsimplecursoradapterandroid-cursoradapterandroid-cursor

cursor is deactivated prior to calling this method


I've got a CursorAdapter that I swap data into, from inside the onLoadFinished() callback. Immediately after, I also need to use the same cursor for multiple other CursorAdapters (only 1 illustrated below). The problem is that after the cursor data gets swaped into the original CursorAdapter, I get the below error. If I getCursor() from the original CursorAdapter later in the app, it works without any errors. Why is that ? Is the swapCursor() asynchronous or what ? I thought so initialy, but after I tried to set the data Cursor directly to the other CursorAdapters it still have me the error. So what gives ? Any ideas ?

   @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data)
    {
         mAccountsCursorAdapter.swapCursor(data);
         // create new cursor adapter
         Cursor cursor = new CursorWrapper(mAccountsCursorAdapter.getCursor());
         mNewAccountsCursorAdapter.swapCursor(cursor);
    }

Error below:

android.database.StaleDataException: Attempting to access a closed CursorWindow.Most probable cause: cursor is deactivated prior to calling this method.
            at android.database.AbstractWindowedCursor.checkPosition(AbstractWindowedCursor.java:139)
            at android.database.AbstractWindowedCursor.getString(AbstractWindowedCursor.java:50)
            at android.database.CursorWrapper.getString(CursorWrapper.java:114)
            at android.database.CursorWrapper.getString(CursorWrapper.java:114)
            at android.support.v4.widget.SimpleCursorAdapter.bindView(SimpleCursorAdapter.java:135)
            at android.support.v4.widget.CursorAdapter.getView(CursorAdapter.java:256)
            at android.widget.AbsSpinner.onMeasure(AbsSpinner.java:197)
            at android.widget.Spinner.onMeasure(Spinner.java:507)
            at android.view.View.measure(View.java:17430)
            at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:727)
            at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:463)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
            at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
            at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
            at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
            at android.view.View.measure(View.java:17430)
            at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:727)
            at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:463)
            at android.view.View.measure(View.java:17430)
            at android.widget.ScrollView.measureChildWithMargins(ScrollView.java:1260)
            at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
            at android.widget.ScrollView.onMeasure(ScrollView.java:337)
            at android.view.View.measure(View.java:17430)
            at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:727)
            at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:463)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
            at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
            at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
            at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
            at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
            at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
            at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
            at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
            at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
            at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560)
            at android.view.View.measure(View.java:17430)
            at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001)
            at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1141)
            at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372)
            at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054)
            at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
            at android.view.Choreographer.doCallbacks(Choreographer.java:580)
            at android.view.Choreographer.doFrame(Choreographer.java:550)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)

Solution

  • Apparently because of some issues in the code, the onLoadFinished() callback was called twice at almost the same time, which probably didn't have a good impact on the data Cursor. So double check your code if you encounter this issue.