本文整理汇总了Java中android.widget.SectionIndexer类的典型用法代码示例。如果您正苦于以下问题：Java SectionIndexer类的具体用法？Java SectionIndexer怎么用？Java SectionIndexer使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
SectionIndexer类属于android.widget包，在下文中一共展示了SectionIndexer类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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
}
示例2: getPositionForSection
import android.widget.SectionIndexer; //导入依赖的package包/类
@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);
}
示例3: getSections
import android.widget.SectionIndexer; //导入依赖的package包/类
@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]));
}
示例4: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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;
}
示例5: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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
}
示例6: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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
}
示例7: getPositionForSection
import android.widget.SectionIndexer; //导入依赖的package包/类
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);
}
示例8: getSections
import android.widget.SectionIndexer; //导入依赖的package包/类
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()]));
}
示例9: getPositionForSection
import android.widget.SectionIndexer; //导入依赖的package包/类
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;
}
示例10: getSectionForPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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;
}
示例11: getSections
import android.widget.SectionIndexer; //导入依赖的package包/类
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()]);
}
}
示例12: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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
}
示例13: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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
}
示例14: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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
}
示例15: findCurrentSectionPosition
import android.widget.SectionIndexer; //导入依赖的package包/类
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
}