مشکل در فهرست علاقه مندی( خیلی ضروری)

 imgFav.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View arg0) {
                Bundle extras = getIntent().getExtras();
                int position = 0;
                if (extras != null) {
                    position = extras.getInt("POSITION");
                }

                StructNote note = G.notes.get(position);
                checkTitle = "'" + note.title + "'";
                Cursor cursor = G.database.rawQuery("SELECT * FROM dastanha WHERE onvan = " + checkTitle + " ", null);
                while (cursor.moveToNext()) {
                    int vazyat = cursor.getInt(cursor.getColumnIndex("fav"));
                    Log.i("LOG", "" + vazyat);
                    if (vazyat == 0) {
                        G.database.execSQL("UPDATE dastanha SET fav = 1 WHERE onvan = " + checkTitle + " ");
                        imgFav.setImageResource(R.drawable.fav_onn);
                        Toast.makeText(ActivityLearn.this, getString(R.string.alaghemosbat), Toast.LENGTH_SHORT).show();
                    } else {
                        imgFav.setImageResource(R.drawable.fav_off);
                        G.database.execSQL("UPDATE dastanha SET fav = 0 WHERE onvan = " + checkTitle + " ");
                        Toast.makeText(ActivityLearn.this, getString(R.string.alaghemanfi), Toast.LENGTH_SHORT).show();

                    }
                }
                cursor.close();