| | |
|---|
| | | }
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | public class AlphabeticalAdapter extends ArrayAdapter<String> implements SectionIndexer
|
|---|
| | | {
|
|---|
| | | private HashMap<String, Integer> alphaIndexer;
|
|---|
| | | private String[] sections;
|
|---|
| | |
|
|---|
| | | public AlphabeticalAdapter(Context c, int resource, List<String> data)
|
|---|
| | | {
|
|---|
| | | super(c, resource, data);
|
|---|
| | | alphaIndexer = new HashMap<String, Integer>();
|
|---|
| | | for (int i = 0; i < data.size(); i++)
|
|---|
| | | {
|
|---|
| | | String s = data.get(i).substring(0, 1).toUpperCase();
|
|---|
| | | if (!alphaIndexer.containsKey(s))
|
|---|
| | | alphaIndexer.put(s, i);
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | Set<String> sectionLetters = alphaIndexer.keySet();
|
|---|
| | | ArrayList<String> sectionList = new ArrayList<String>(sectionLetters);
|
|---|
| | | Collections.sort(sectionList);
|
|---|
| | | sections = new String[sectionList.size()];
|
|---|
| | | for (int i = 0; i < sectionList.size(); i++)
|
|---|
| | | sections[i] = sectionList.get(i);
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | public int getPositionForSection(int section)
|
|---|
| | | {
|
|---|
| | | return alphaIndexer.get(sections[section]);
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | public int getSectionForPosition(int position)
|
|---|
| | | {
|
|---|
| | | return 1;
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | public Object[] getSections()
|
|---|
| | | {
|
|---|
| | | return sections;
|
|---|
| | | }
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | }
|
|---|
