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  3. android.widget.SectionIndexer

Java 类android.widget.SectionIndexer 实例源码

项目：GitHub    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (fromPosition >= adapter.getCount()) return -1; // dataset has changed, no candidate

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：AndroidMuseumBleManager    文件：MergeAdapter.java    
@Override
public int getPositionForSection(int section) {
    int position = 0;

    for (ListAdapter piece : getPieces()) {
        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            int numSections = 0;

            if (sections != null) {
                numSections = sections.length;
            }

            if (section < numSections) {
                return (position + ((SectionIndexer) piece).getPositionForSection(section));
            } else if (sections != null) {
                section -= numSections;
            }
        }

        position += piece.getCount();
    }

    return (0);
}
项目：AndroidMuseumBleManager    文件：MergeAdapter.java    
@Override
public Object[] getSections() {
    ArrayList<Object> sections = new ArrayList<Object>();

    for (ListAdapter piece : getPieces()) {
        if (piece instanceof SectionIndexer) {
            Object[] curSections = ((SectionIndexer) piece).getSections();

            if (curSections != null) {
                Collections.addAll(sections, curSections);
            }
        }
    }

    if (sections.size() == 0) {
        return (new String[0]);
    }

    return (sections.toArray(new Object[0]));
}
项目：boohee_v5.6    文件：PinnedSectionListView.java    
private int findCurrentSectionPosition(int fromPosition) {
    PinnedSectionListAdapter adapter = (PinnedSectionListAdapter) getAdapter();
    if (adapter instanceof SectionIndexer) {
        SectionIndexer indexer = (SectionIndexer) adapter;
        int itemPosition = indexer.getPositionForSection(indexer.getSectionForPosition
                (fromPosition));
        if (adapter.isItemViewTypePinned(adapter.getItemViewType(itemPosition))) {
            return itemPosition;
        }
    }
    for (int position = fromPosition; position >= 0; position--) {
        if (adapter.isItemViewTypePinned(adapter.getItemViewType(position))) {
            return position;
        }
    }
    return -1;
}
项目：Idea-ChainSelector    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (fromPosition >= adapter.getCount()) return -1; // dataset has changed, no candidate

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：CitySelct    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (fromPosition >= adapter.getCount()) return -1; // dataset has changed, no candidate

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：EsperantoRadio    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
  ListAdapter adapter = getAdapter();

  if (adapter instanceof SectionIndexer) {
    // try fast way by asking section indexer
    SectionIndexer indexer = (SectionIndexer) adapter;
    int sectionPosition = indexer.getSectionForPosition(fromPosition);
    int itemPosition = indexer.getPositionForSection(sectionPosition);
    int typeView = adapter.getItemViewType(itemPosition);
    if (isItemViewTypePinned(adapter, typeView)) {
      return itemPosition;
    } // else, no luck
  }

  // try slow way by looking through to the next section item above
  for (int position = fromPosition; position >= 0; position--) {
    int viewType = adapter.getItemViewType(position);
    if (isItemViewTypePinned(adapter, viewType)) return position;
  }
  return -1; // no candidate found
}
项目：MediaManager    文件：MergeAdapter.java    
public int getPositionForSection(int section) {
    int position = 0;

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            int numSections = 0;

            if (sections != null) {
                numSections = sections.length;
            }

            if (section < numSections) {
                return (position + ((SectionIndexer) piece)
                        .getPositionForSection(section));
            } else if (sections != null) {
                section -= numSections;
            }
        }

        position += piece.getCount();
    }

    return (0);
}
项目：MediaManager    文件：MergeAdapter.java    
public Object[] getSections() {
    ArrayList<Object> sections = new ArrayList<>();

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] curSections = ((SectionIndexer) piece).getSections();

            if (curSections != null) {
                Collections.addAll(sections, curSections);
            }
        }
    }

    if (sections.size() == 0) {
        return (null);
    }

    return (sections.toArray(new Object[sections.size()]));
}
项目：BLE    文件：MergeAdapter.java    
public int getPositionForSection(int section) {
    int position = 0;

    ListAdapter piece;
    for (Iterator i$ = this.getPieces().iterator(); i$.hasNext(); position += piece.getCount()) {
        piece = (ListAdapter) i$.next();
        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            int numSections = 0;
            if (sections != null) {
                numSections = sections.length;
            }

            if (section < numSections) {
                return position + ((SectionIndexer) piece).getPositionForSection(section);
            }

            if (sections != null) {
                section -= numSections;
            }
        }
    }

    return 0;
}
项目：BLE    文件：MergeAdapter.java    
public int getSectionForPosition(int position) {
    int section = 0;

    int size;
    for (Iterator i$ = this.getPieces().iterator(); i$.hasNext(); position -= size) {
        ListAdapter piece = (ListAdapter) i$.next();
        size = piece.getCount();
        if (position < size) {
            if (piece instanceof SectionIndexer) {
                return section + ((SectionIndexer) piece).getSectionForPosition(position);
            }

            return 0;
        }

        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            if (sections != null) {
                section += sections.length;
            }
        }
    }

    return 0;
}
项目：BLE    文件：MergeAdapter.java    
public Object[] getSections() {
    ArrayList sections = new ArrayList();
    Iterator i$ = this.getPieces().iterator();

    while (i$.hasNext()) {
        ListAdapter piece = (ListAdapter) i$.next();
        if (piece instanceof SectionIndexer) {
            Object[] curSections = ((SectionIndexer) piece).getSections();
            if (curSections != null) {
                Collections.addAll(sections, curSections);
            }
        }
    }

    if (sections.size() == 0) {
        return new String[0];
    } else {
        return sections.toArray(new Object[sections.size()]);
    }
}
项目：SecretBrand    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=Math.min(fromPosition,adapter.getCount()-1); position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：AndroidWeekly    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (fromPosition >= adapter.getCount()) return -1; // dataset has changed, no candidate

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position = fromPosition; position >= 0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：BigApp_Discuz_Android    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position = fromPosition; position >= 0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：android-open-project-demo-master    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：AndroidBleManager    文件：MergeAdapter.java    
@Override
public int getPositionForSection(int section) {
    int position=0;

    for (ListAdapter piece : getPieces()) {
        if (piece instanceof SectionIndexer) {
            Object[] sections=((SectionIndexer)piece).getSections();
            int numSections=0;

            if (sections != null) {
                numSections=sections.length;
            }

            if (section < numSections) {
                return(position + ((SectionIndexer)piece).getPositionForSection(section));
            }
            else if (sections != null) {
                section-=numSections;
            }
        }

        position+=piece.getCount();
    }

    return(0);
}
项目：AndroidBleManager    文件：MergeAdapter.java    
@Override
public Object[] getSections() {
    ArrayList<Object> sections=new ArrayList<Object>();

    for (ListAdapter piece : getPieces()) {
        if (piece instanceof SectionIndexer) {
            Object[] curSections=((SectionIndexer)piece).getSections();

            if (curSections != null) {
                Collections.addAll(sections, curSections);
            }
        }
    }

    if (sections.size() == 0) {
        return(new String[0]);
    }

    return(sections.toArray(new Object[0]));
}
项目：SelectCity-master    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (fromPosition >= adapter.getCount()) return -1; // dataset has changed, no candidate

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：eshow-android    文件：AbLetterFilterListView.java    
@Override
protected void onFinishInflate() {
    super.onFinishInflate();
    int count = getChildCount();
    if (count < 1) {
        throw new IllegalArgumentException("this layout must contain 1 child views,and AdapterView  must in the first position!");
    }
    View view = this.getChildAt(0);
    AdapterView<?> adapterView = null;
    if (view instanceof AdapterView<?>) {
        adapterView = (AdapterView<?>) view;
        listView = (ListView)adapterView;
        sectionIndexter = (SectionIndexer) listView.getAdapter();
        letterView = new LetterView(context);
        letterView.setListView(listView);
        RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(60, ViewGroup.LayoutParams.WRAP_CONTENT);
        layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT,RelativeLayout.TRUE);
        layoutParams.topMargin=10;
        layoutParams.rightMargin=10;
        layoutParams.bottomMargin=10;
        this.addView(letterView,layoutParams);
    }
    if (adapterView == null) {
        throw new IllegalArgumentException("must contain a AdapterView in this layout!");
    }
}
项目：MediaManager    文件：MergeAdapter.java    
public int getPositionForSection(int section) {
    int position = 0;

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            int numSections = 0;

            if (sections != null) {
                numSections = sections.length;
            }

            if (section < numSections) {
                return (position + ((SectionIndexer) piece)
                        .getPositionForSection(section));
            } else if (sections != null) {
                section -= numSections;
            }
        }

        position += piece.getCount();
    }

    return (0);
}
项目：MediaManager    文件：MergeAdapter.java    
public Object[] getSections() {
    ArrayList<Object> sections = new ArrayList<>();

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] curSections = ((SectionIndexer) piece).getSections();

            if (curSections != null) {
                Collections.addAll(sections, curSections);
            }
        }
    }

    if (sections.size() == 0) {
        return (null);
    }

    return (sections.toArray(new Object[sections.size()]));
}
项目：FMTech    文件：dxb.java    
final void d()
{
  ListAdapter localListAdapter = (ListAdapter)this.f.getAdapter();
  this.C = null;
  if ((localListAdapter instanceof HeaderViewListAdapter))
  {
    this.w = ((HeaderViewListAdapter)localListAdapter).getHeadersCount();
    localListAdapter = ((HeaderViewListAdapter)localListAdapter).getWrappedAdapter();
  }
  this.B = localListAdapter;
  if ((localListAdapter instanceof SectionIndexer))
  {
    this.C = ((SectionIndexer)localListAdapter);
    this.z = this.C.getSections();
    return;
  }
  this.z = new String[] { " " };
}
项目：love    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：shikimori    文件：PinnedSectionGridView.java    
int findCurrentSectionPosition(int fromPosition) {
    PinnedSectionGridAdapter adapter = getPinnedAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        //int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, itemPosition)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position = fromPosition; position >= 0; position--) {
        //int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, position))
            return position;
    }
    return -1; // no candidate found
}
项目：shikimori    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    PinnedSectionListAdapter adapter = getPinnedAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        //int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, itemPosition)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position = fromPosition; position >= 0; position--) {
        //int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, position))
            return position;
    }
    return -1; // no candidate found
}
项目：Infodota    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=Math.min(fromPosition,adapter.getCount()-1); position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：androidsummary    文件：AbLetterFilterListView.java    
@Override
protected void onFinishInflate() {
    super.onFinishInflate();
    int count = getChildCount();
    if (count < 1) {
        throw new IllegalArgumentException("this layout must contain 1 child views,and AdapterView  must in the first position!");
    }
    View view = this.getChildAt(0);
    AdapterView<?> adapterView = null;
    if (view instanceof AdapterView<?>) {
        adapterView = (AdapterView<?>) view;
        listView = (ListView)adapterView;
        sectionIndexter = (SectionIndexer) listView.getAdapter();
        letterView = new LetterView(context);
        letterView.setListView(listView);
        RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(60, ViewGroup.LayoutParams.WRAP_CONTENT);
        layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT,RelativeLayout.TRUE);
        layoutParams.topMargin=10;
        layoutParams.rightMargin=10;
        layoutParams.bottomMargin=10;
        this.addView(letterView,layoutParams);
    }
    if (adapterView == null) {
        throw new IllegalArgumentException("must contain a AdapterView in this layout!");
    }
}
项目：like_googleplus_layout    文件：StickyListHeadersListView.java    
private AdapterWrapper wrapAdapter(ListAdapter adapter)
{
    AdapterWrapper wrapper;
    if (adapter instanceof SectionIndexer)
    {
        wrapper = new SectionIndexerAdapterWrapper(getContext(), (StickyHeadersAdapter) adapter);
    }
    else
    {
        wrapper = new AdapterWrapper(getContext(), (StickyHeadersAdapter) adapter);
    }
    wrapper.setDivider(mDivider);
    wrapper.setDividerHeight(mDividerHeight);
    wrapper.registerDataSetObserver(mDataSetChangedObserver);
    wrapper.setOnHeaderClickListener(mAdapterHeaderClickListener);
    return wrapper;
}
项目：PullToRefresh-PinnedSection-ListView    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：mimicry    文件：MergeAdapter.java    
public final int getPositionForSection(int section) {
    int position = 0;

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            int numSections = 0;

            if (sections != null) {
                numSections = sections.length;
            }

            if (section < numSections) {
                return (position + ((SectionIndexer) piece).getPositionForSection(section));
            } else if (sections != null) {
                section -= numSections;
            }
        }

        position += piece.getCount();
    }

    return (0);
}
项目：mimicry    文件：MergeAdapter.java    
public final Object[] getSections() {
    ArrayList<Object> sections = new ArrayList<Object>();

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] curSections = ((SectionIndexer) piece).getSections();

            if (curSections != null) {
                for (Object section : curSections) {
                    sections.add(section);
                }
            }
        }
    }

    if (sections.size() == 0) {
        return (null);
    }

    return (sections.toArray(new Object[0]));
}
项目：android-woodenbox    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：android-open-project-demo    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：GameRecorder    文件：PinnedSectionListView.java    
int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }

    // try slow way by looking through to the next section item above
    for (int position=fromPosition; position>=0; position--) {
        if(position >= adapter.getCount())break;//fix by bitjjj
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType)) return position;
    }
    return -1; // no candidate found
}
项目：transdroid    文件：MergeAdapter.java    
public final int getPositionForSection(int section) {
    int position = 0;

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            int numSections = 0;

            if (sections != null) {
                numSections = sections.length;
            }

            if (section < numSections) {
                return (position + ((SectionIndexer) piece).getPositionForSection(section));
            } else if (sections != null) {
                section -= numSections;
            }
        }

        position += piece.getCount();
    }

    return (0);
}
项目：transdroid    文件：MergeAdapter.java    
public final Object[] getSections() {
    ArrayList<Object> sections = new ArrayList<Object>();

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] curSections = ((SectionIndexer) piece).getSections();

            if (curSections != null) {
                for (Object section : curSections) {
                    sections.add(section);
                }
            }
        }
    }

    if (sections.size() == 0) {
        return (null);
    }

    return (sections.toArray(new Object[0]));
}
项目：SimpleExplorer    文件：MergeAdapter.java    
public int getPositionForSection(int section) {
    int position = 0;

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] sections = ((SectionIndexer) piece).getSections();
            int numSections = 0;

            if (sections != null) {
                numSections = sections.length;
            }

            if (section < numSections) {
                return (position + ((SectionIndexer) piece)
                        .getPositionForSection(section));
            } else if (sections != null) {
                section -= numSections;
            }
        }

        position += piece.getCount();
    }

    return 0;
}
项目：SimpleExplorer    文件：MergeAdapter.java    
public Object[] getSections() {
    ArrayList<Object> sections = new ArrayList<>();

    for (ListAdapter piece : pieces) {
        if (piece instanceof SectionIndexer) {
            Object[] curSections = ((SectionIndexer) piece).getSections();

            if (curSections != null) {
                Collections.addAll(sections, curSections);
            }
        }
    }

    if (sections.isEmpty()) {
        return null;
    }

    return sections.toArray(new Object[sections.size()]);
}
项目：ZalartAndroid    文件：MergeAdapter.java    
@Override
public int getPositionForSection(int section) {
  int position=0;

  for (ListAdapter piece : pieces) {
    if (piece instanceof SectionIndexer) {
      Object[] sections=((SectionIndexer)piece).getSections();
      int numSections=0;

      if (sections!=null) {
        numSections=sections.length;
      }

      if (section<numSections) {
        return(position+((SectionIndexer)piece).getPositionForSection(section));
      }
      else if (sections!=null) {
        section-=numSections;
      }
    }

    position+=piece.getCount();
  }

  return(0);
}