Azz, per caso ti riferivi al codice di errore? Beh, nel dubbio inserisco anche quello...

FATAL EXCEPTION: main
Process: it.appdiprova, PID: 4990
android.database.StaleDataException: Attempting to access a closed CursorWindow.Most probable cause: cursor is deactivated prior to calling this method.
at android.database.AbstractWindowedCursor.checkPosit ion(AbstractWindowedCursor.java:139)
at android.database.AbstractWindowedCursor.getString( AbstractWindowedCursor.java:50)
at it.appdiprova.MainActivity$3.bindView(MainActivity .java:104)
at android.support.v4.widget.CursorAdapter.getView(Cu rsorAdapter.java:273)
at android.widget.AbsListView.obtainView(AbsListView. java:2363)
at android.widget.ListView.measureHeightOfChildren(Li stView.java:1326)
at android.widget.ListView.onMeasure(ListView.java:12 33)
at android.view.View.measure(View.java:19857)
at android.view.ViewGroup.measureChildWithMargins(Vie wGroup.java:6083)
at android.widget.LinearLayout.measureChildBeforeLayo ut(LinearLayout.java:1464)
at android.widget.LinearLayout.measureVertical(Linear Layout.java:758)
at android.widget.LinearLayout.onMeasure(LinearLayout .java:640)
at android.view.View.measure(View.java:19857)
at android.view.ViewGroup.measureChildWithMargins(Vie wGroup.java:6083)
at android.widget.FrameLayout.onMeasure(FrameLayout.j ava:185)
at android.support.v7.widget.ContentFrameLayout.onMea sure(ContentFrameLayout.java:139)
at android.view.View.measure(View.java:19857)
at android.view.ViewGroup.measureChildWithMargins(Vie wGroup.java:6083)
at android.support.v7.widget.ActionBarOverlayLayout.o nMeasure(ActionBarOverlayLayout.java:391)
at android.view.View.measure(View.java:19857)
at android.view.ViewGroup.measureChildWithMargins(Vie wGroup.java:6083)
at android.widget.FrameLayout.onMeasure(FrameLayout.j ava:185)
at android.view.View.measure(View.java:19857)
at android.view.ViewGroup.measureChildWithMargins(Vie wGroup.java:6083)
at android.widget.LinearLayout.measureChildBeforeLayo ut(LinearLayout.java:1464)
at android.widget.LinearLayout.measureVertical(Linear Layout.java:758)
at android.widget.LinearLayout.onMeasure(LinearLayout .java:640)
at android.view.View.measure(View.java:19857)
at android.view.ViewGroup.measureChildWithMargins(Vie wGroup.java:6083)
at android.widget.FrameLayout.onMeasure(FrameLayout.j ava:185)
at com.android.internal.policy.DecorView.onMeasure(De corView.java:689)
at android.view.View.measure(View.java:19857)
at android.view.ViewRootImpl.performMeasure(ViewRootI mpl.java:2275)
at android.view.ViewRootImpl.measureHierarchy(ViewRoo tImpl.java:1366)
at android.view.ViewRootImpl.performTraversals(ViewRo otImpl.java:1619)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl .java:1254)
at android.view.ViewRootImpl$TraversalRunnable.run(Vi ewRootImpl.java:6337)
at android.view.Choreographer$CallbackRecord.run(Chor eographer.java:874)
at android.view.Choreographer.doCallbacks(Choreograph er.java:686)
at android.view.Choreographer.doFrame(Choreographer.j ava:621)
at android.view.Choreographer$FrameDisplayEventReceiv er.run(Choreographer.java:860)
at android.os.Handler.handleCallback(Handler.java:751 )
at android.os.Handler.dispatchMessage(Handler.java:95 )
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.jav a:6119)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCa ller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit .java:776)

Questa è la riga 104:
String oggetto = crs.getString(crs.getColumnIndex(DatabaseString._SUBJECT));