相关疑难解决方法(0)

我编写了简单的代码来删除android日历中的所有条目,但它没有删除任何内容.

源代码:

public void DeleteEvent(View view){

            int iNumRowsDeleted = 0;
            Uri eventsUri = Uri.parse("content://com.android.calendar/events");
            Cursor cur = getContentResolver().query(eventsUri, null, null, null, null);

            while (cur.moveToNext()){

                long id = cur.getLong(cur.getColumnIndex("_id"));
                Log.d(TAG, "ID: " + id);
                Uri eventUri = ContentUris.withAppendedId(eventsUri, id);
                iNumRowsDeleted = getContentResolver().delete(eventUri, null, null);
            }
        }