ListView Item 点击展开隐藏问题

public class ListAdapter extends BaseAdapter {

    private Context mContext;

    private View mLastView;

    private int mLastPosition;

    private int mLastVisibility;

     

    public ListAdapter(Context context) {

        this.mContext = context;

        mLastPosition = -1;

    }

 

    @Override

    public int getCount() {

        return 30;

    }

 

    @Override

    public Object getItem(int position) {

        return null;

    }

 

    @Override

    public long getItemId(int position) {

        return 0;

    }

 

    @Override

    public View getView(int position, View convertView, ViewGroup parent) {

        Holder holder;

        if(convertView == null ) {

            LayoutInflater inflater = LayoutInflater.from(mContext);

            convertView = inflater.inflate(R.layout.list_item, null);

            holder =new Holder();

            holder.textView = (TextView)convertView.findViewById(R.id.textView);

            holder.UEFAView = (ImageView)convertView.findViewById(R.id.image_uefa);

            holder.mascotView = (ImageView)convertView.findViewById(R.id.image_mascot);

            holder.hint = convertView.findViewById(R.id.hint_image);

            convertView.setTag(holder);

        } else {

            holder = (Holder) convertView.getTag();

        }

        if(mLastPosition == position){

            holder.hint.setVisibility(mLastVisibility);

        }else{

            holder.hint.setVisibility(View.GONE);

        }

        holder.textView.setText("Hello,It is " + position);

        return convertView;

    }

     

    class Holder {

        TextView textView;

        ImageView UEFAView;

        ImageView mascotView;

        View hint;

    }

     

    public void changeImageVisable(View view,int position) {

        if(mLastView != null && mLastPosition != position ) {

            Holder holder = (Holder) mLastView.getTag();

            switch(holder.hint.getVisibility()) {

            case View.VISIBLE:

                holder.hint.setVisibility(View.GONE);

                mLastVisibility = View.GONE;

                break;

            default :

                break;

            }

        }

        mLastPosition = position;

        mLastView = view;

        Holder holder = (Holder) view.getTag();

        switch(holder.hint.getVisibility()) {

        case View.GONE:

            holder.hint.setVisibility(View.VISIBLE);

            mLastVisibility = View.VISIBLE;

            break;

        case View.VISIBLE:

            holder.hint.setVisibility(View.GONE);

            mLastVisibility = View.GONE;

            break;

        }

    }

}

public class ListViewTestActivity extends Activity implements OnItemClickListener{

    private ListView mListView;

    private ListAdapter mAdapter;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

         

        mListView = (ListView)findViewById(R.id.list);

        mAdapter = new  ListAdapter(this);

        mListView.setAdapter(mAdapter);

        mListView.setOnItemClickListener(this);

    }

     

    @Override

    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {  

        mAdapter.changeImageVisable(view, position);  

    }  

}