android.widget.ListAdapter.getItemViewType()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中android.widget.ListAdapter.getItemViewType()方法的一些代码示例，展示了ListAdapter.getItemViewType()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ListAdapter.getItemViewType()方法的具体详情如下：
包路径：android.widget.ListAdapter
类名称：ListAdapter
方法名：getItemViewType

ListAdapter.getItemViewType介绍

暂无

代码示例

代码示例来源：origin: rey5137/material

public int getItemViewType(int position) {
  final ListAdapter adapter = mListAdapter;
  if (adapter != null)
    return adapter.getItemViewType(position);
  else
    return 0;  
}

代码示例来源：origin: chentao0707/SimplifyReader

private boolean isHeaderOrFooterPosition( int pos ){
  int type = mAdapter.getItemViewType(pos);
  return type == ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
}

代码示例来源：origin: chentao0707/SimplifyReader

@Override
public int getItemViewType(int position) {
  if (mAdapter != null) {
    return mAdapter.getItemViewType(position);
  }
  return -1;
}

代码示例来源：origin: TonicArtos/StickyGridHeaders

@Override
public int getItemViewType(int position) {
  return mDelegate.getItemViewType(position);
}

代码示例来源：origin: chentao0707/SimplifyReader

public int getItemViewType(int position) {
  int numHeaders = getHeadersCount();
  if (mAdapter != null && position >= numHeaders) {
    int adjPosition = position - numHeaders;
    int adapterCount = mAdapter.getCount();
    if (adjPosition < adapterCount) {
      return mAdapter.getItemViewType(adjPosition);
    }
  }
  return PLAAdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
}

代码示例来源：origin: commonsguy/cw-omnibus

final int count = adapter.getCount();
for (int i = 0; i < count; i++) {
 final int positionType = adapter.getItemViewType(i);
 if (positionType != itemType) {
  itemType = positionType;

代码示例来源：origin: chentao0707/SimplifyReader

private void measureScrapChild(View child, int position, int widthMeasureSpec) {
  LayoutParams p = (LayoutParams) child.getLayoutParams();
  if (p == null) {
    p = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
        ViewGroup.LayoutParams.WRAP_CONTENT, 0);
    child.setLayoutParams(p);
  }
  p.viewType = mAdapter.getItemViewType(position);
  p.forceAdd = true;
  int childWidthSpec = ViewGroup.getChildMeasureSpec(widthMeasureSpec,
      mListPadding.left + mListPadding.right, p.width);
  int lpHeight = p.height;
  int childHeightSpec;
  if (lpHeight > 0) {
    childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight, MeasureSpec.EXACTLY);
  } else {
    childHeightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
  }
  child.measure(childWidthSpec, childHeightSpec);
}

代码示例来源：origin: chentao0707/SimplifyReader

scrapViews = mCurrentScrap;
} else {
  final int whichScrap = mAdapter.getItemViewType(position);
  if (whichScrap >= 0 && whichScrap < mScrapViews.length) {
    scrapViews = mScrapViews[whichScrap];

代码示例来源：origin: stackoverflow.com

final int count = adapter.getCount();
for (int i = 0; i < count; i++) {
  final int positionType = adapter.getItemViewType(i);
  if (positionType != itemType) {
    itemType = positionType;

代码示例来源：origin: arimorty/floatingsearchview

private int measureContentWidth() {
  // Menus don't tend to be long, so this is more sane than it looks.
  int maxWidth = 0;
  View itemView = null;
  int itemType = 0;
  final ListAdapter adapter = mAdapter;
  final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
  final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
  final int count = adapter.getCount();
  for (int i = 0; i < count; i++) {
    final int positionType = adapter.getItemViewType(i);
    if (positionType != itemType) {
      itemType = positionType;
      itemView = null;
    }
    if (mMeasureParent == null) {
      mMeasureParent = new FrameLayout(mContext);
    }
    itemView = adapter.getView(i, itemView, mMeasureParent);
    itemView.measure(widthMeasureSpec, heightMeasureSpec);
    final int itemWidth = itemView.getMeasuredWidth();
    if (itemWidth >= mPopupMaxWidth) {
      return mPopupMaxWidth;
    } else if (itemWidth > maxWidth) {
      maxWidth = itemWidth;
    }
  }
  return maxWidth;
}
@Override

代码示例来源：origin: beworker/pinned-section-listview

int findFirstVisibleSectionPosition(int firstVisibleItem, int visibleItemCount) {
  ListAdapter adapter = getAdapter();
  int adapterDataCount = adapter.getCount();
  if (getLastVisiblePosition() >= adapterDataCount) return -1; // dataset has changed, no candidate
  if (firstVisibleItem+visibleItemCount >= adapterDataCount){//added to prevent index Outofbound (in case)
    visibleItemCount = adapterDataCount-firstVisibleItem;
  }
  for (int childIndex = 0; childIndex < visibleItemCount; childIndex++) {
    int position = firstVisibleItem + childIndex;
    int viewType = adapter.getItemViewType(position);
    if (isItemViewTypePinned(adapter, viewType)) return position;
  }
  return -1;
}

代码示例来源：origin: ksoichiro/Android-ObservableScrollView

if (adjPosition >= 0 && adjPosition < adapterCount) {
  if (adjPosition < mAdapter.getCount()) {
    type = mAdapter.getItemViewType(adjPosition);
  } else {
    if (mCachePlaceHoldView) {

代码示例来源：origin: beworker/pinned-section-listview

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
}

代码示例来源：origin: liaohuqiu/android-GridViewWithHeaderAndFooter

if (adjPosition >= 0 && adjPosition < adapterCount) {
  if (adjPosition < mAdapter.getCount()) {
    type = mAdapter.getItemViewType(adjPosition);
  } else {
    if (mCachePlaceHoldView) {

代码示例来源：origin: rey5137/material

int count = adapter.getCount();
for (int i = 0; i < count; i++) {
  int newType = adapter.getItemViewType(i);
  if (newType != viewType) {
    child = null;

代码示例来源：origin: chentao0707/SimplifyReader

ViewGroup.LayoutParams.WRAP_CONTENT, 0);
p.viewType = mAdapter.getItemViewType(position);
p.scrappedFromPosition = position;

代码示例来源：origin: beworker/pinned-section-listview

@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
  if (mDelegateOnScrollListener != null) { // delegate
    mDelegateOnScrollListener.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount);
  }
  // get expected adapter or fail fast
  ListAdapter adapter = getAdapter();
  if (adapter == null || visibleItemCount == 0) return; // nothing to do
  final boolean isFirstVisibleItemSection =
      isItemViewTypePinned(adapter, adapter.getItemViewType(firstVisibleItem));
  if (isFirstVisibleItemSection) {
    View sectionView = getChildAt(0);
    if (sectionView.getTop() == getPaddingTop()) { // view sticks to the top, no need for pinned shadow
      destroyPinnedShadow();
    } else { // section doesn't stick to the top, make sure we have a pinned shadow
      ensureShadowForPosition(firstVisibleItem, firstVisibleItem, visibleItemCount);
    }
  } else { // section is not at the first visible position
    int sectionPosition = findCurrentSectionPosition(firstVisibleItem);
    if (sectionPosition > -1) { // we have section position
      ensureShadowForPosition(sectionPosition, firstVisibleItem, visibleItemCount);
    } else { // there is no section for the first visible item, destroy shadow
      destroyPinnedShadow();
    }
  }
};

代码示例来源：origin: UweTrottmann/SeriesGuide

@Override
public int getItemViewType(int position) {
  return mAdapter.getItemViewType(position);
}

代码示例来源：origin: stackoverflow.com

return originalAdapter.getItemViewType(id);

代码示例来源：origin: UweTrottmann/SeriesGuide

int type = adapter.getItemViewType(position);

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