相关疑难解决方法(0)

我试图AlphabetIndexer用这样的自定义适配器实现

带自定义适配器的AlphabetIndexer

我的类ContactsCursorAdapter扩展SimpleCursorAdapter和实现SectionIndexer ,我使用a LoaderManager来管理我的适配器的光标,所以我已经覆盖了swapCursor()方法,就像上面示例的第二个答案所示.

public class ContactsCursorAdapter extends SimpleCursorAdapter 
    implements SectionIndexer{

    private LayoutInflater mInflater;
    private Context mContext; 

    private AlphabetIndexer mAlphaIndexer;

    public ContactsCursorAdapter(Context context, int layout, Cursor c,
        String[] from, int[] to) {
        super(context, layout, c, from, to);

        mInflater = LayoutInflater.from(context);
        mContext = context;
    }

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

    @Override
    public int getPositionForSection(int section) {
        return mAlphaIndexer.getPositionForSection(section);
    }

    @Override
    public int getSectionForPosition(int position) { …