1. mlgch1's Avatar
    I am using ListView to display a small list. I know it's on the main thread, but this is not a problem. It used to run under earlier API levels but gives a problem under 27.

        private void populateListViewFromDB() {
            Cursor cursor = myDb.getAllLogRows();
            // Allow activity to manage lifetime of the cursor.
            // DEPRECATED! Runs on the UI thread, OK for small/short queries.
            // Setup mapping from cursor to view fields:
            String[] fromFieldNames = new String[]{DBAdapter.KEY_LOG_ID, DBAdapter.KEY_LOG_DATE, DBAdapter.KEY_LOG_TIME, DBAdapter.KEY_LOG_LOG};
            int[] toViewIDs = new int[]{R.id.item_id, R.id.item_date, R.id.item_time, R.id.item_log};
            // Create adapter to many columns of the DB onto elements in the UI.
            SimpleCursorAdapter myCursorAdapter = new SimpleCursorAdapter(this,     // Context
                    R.layout.log_item_layout,                                               // Row layout template
                    cursor,                                                                 // cursor (set of DB records to map)
                    fromFieldNames,                                                         // DB Column names
                    toViewIDs);                                                             // View IDs to put information in
            // Set the adapter for the list view
            ListView myList = (ListView) findViewById(R.id.id_log_list);
    On executing the last line (myList.setAdaper...) it bombs out with:

        Increasing code cache capacity to 512KB
    D/ViewRootImpl@3afd46d[MainActivity]: ViewPostIme pointer 0
    D/ViewRootImpl@3afd46d[MainActivity]: ViewPostIme pointer 1
    D/ViewRootImpl@3afd46d[MainActivity]: MSG_WINDOW_FOCUS_CHANGED 0
    D/InputTransport: Input channel constructed: fd=73
    D/ViewRootImpl@19a2dd7[OtherActivity]: setView = DecorView@3e736c4[OtherActivity] TM=true MM=false
    D/ViewRootImpl@19a2dd7[OtherActivity]: dispatchAttachedToWindow
    V/Surface: sf_framedrop debug : 0x4f4c, game : false, logging : 0
    D/ViewRootImpl@19a2dd7[OtherActivity]: Relayout returned: old=[0,0][0,0] new=[456,32][823,799] result=0x7 surface={valid=true 2335653888} changed=true
    W/Adreno-EGL: <qeglDrvAPI_eglGetConfigAttrib:612>: EGL_BAD_ATTRIBUTE
    D/vndksupport: Loading /vendor/lib/hw/gralloc.msm8937.so from current namespace instead of sphal namespace.
    D/OpenGLRenderer: eglCreateWindowSurface = 0x8bf64df0, 0x8b374008
    D/ViewRootImpl@19a2dd7[OtherActivity]: MSG_RESIZED_REPORT: frame=Rect(456, 32 - 823, 799) ci=Rect(0, 0 - 0, 0) vi=Rect(0, 0 - 0, 0) or=2
    V/InputMethodManager: Starting input: tba=android.view.inputmethod.EditorInfo@4ab74e2 nm : com.scorer.tennis ic=null
    D/InputMethodManager: startInputInner - Id : 0
    I/InputMethodManager: startInputInner - mService.startInputOrWindowGainedFocus
    D/InputTransport: Input channel constructed: fd=74
        Input channel destroyed: fd=72
    D/ViewRootImpl@19a2dd7[OtherActivity]: ViewPostIme pointer 0
    D/ViewRootImpl@19a2dd7[OtherActivity]: ViewPostIme pointer 1
    D/ViewRootImpl@19a2dd7[OtherActivity]: MSG_WINDOW_FOCUS_CHANGED 0
    D/InputTransport: Input channel constructed: fd=75
    D/ViewRootImpl@9bbc1c1[LogActivity]: setView = DecorView@6407d66[LogActivity] TM=true MM=false
    D/ViewRootImpl@9bbc1c1[LogActivity]: dispatchAttachedToWindow
    D/AndroidRuntime: Shutting down VM
        --------- beginning of crash
    E/AndroidRuntime: FATAL EXCEPTION: main
        Process: com.scorer.tennis, PID: 7020
        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.widget.SimpleCursorAdapter.bindView(SimpleCursorAdapter.java:150)
            at android.widget.CursorAdapter.getView(CursorAdapter.java:289)
            at android.widget.AbsListView.obtainView(AbsListView.java:3180)
            at android.widget.ListView.measureHeightOfChildren(ListView.java:1448)
            at android.widget.ListView.onMeasure(ListView.java:1355)
            at android.view.View.measure(View.java:23407)
            at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:715)
    Can anyone please tell me what is happening to the cursor?
    09-02-2020 08:28 PM

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