android.widget.ListView.getChildCount()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.ListView.getChildCount()方法的一些代码示例，展示了ListView.getChildCount()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。ListView.getChildCount()方法的具体详情如下：
包路径：android.widget.ListView
类名称：ListView
方法名：getChildCount

ListView.getChildCount介绍

暂无

代码示例

代码示例来源：origin: Naoki2015/CircleDemo

@Override
public int getChildCount() {
  return mListView.getChildCount();
}

代码示例来源：origin: stackoverflow.com

public View getViewByPosition(int pos, ListView listView) {
  final int firstListItemPosition = listView.getFirstVisiblePosition();
  final int lastListItemPosition = firstListItemPosition + listView.getChildCount() - 1;

  if (pos < firstListItemPosition || pos > lastListItemPosition ) {
    return listView.getAdapter().getView(pos, null, listView);
  } else {
    final int childIndex = pos - firstListItemPosition;
    return listView.getChildAt(childIndex);
  }
}

代码示例来源：origin: GitLqr/LQRWeChat

/**
 * 判断mContentView是否处于顶部
 *
 * @return
 */
private boolean checkIsTop() {
  int childCount = mContentView.getChildCount();
  if (childCount > 0) {
    View firstChild = mContentView.getChildAt(0);
    if (firstChild.getTop() >= 0
        && firstItem == 0 && currentTop == 0) {
      return true;
    } else return false;
  } else {
    return false;
  }
}

代码示例来源：origin: GitLqr/LQRWeChat

/**
 * 判断是否需要拦截触摸事件
 *
 * @return
 */
private boolean shouldIntercept() {
  if (bDraging) return true;
  int childCount = mContentView.getChildCount();
  if (childCount > 0) {
    View firstChild = mContentView.getChildAt(0);
    if (firstChild.getTop() >= 0
        && firstItem == 0 && currentTop == 0
        && bScrollDown) {
      return true;
    } else return false;
  } else {
    return true;
  }
}

代码示例来源：origin: stackoverflow.com

public View getViewByPosition(int position, ListView listView) {
  final int firstListItemPosition = listView.getFirstVisiblePosition();
  final int lastListItemPosition = firstListItemPosition + listView.getChildCount() - 1;

  if (position < firstListItemPosition || position > lastListItemPosition ) {
    return listView.getAdapter().getView(position, null, listView);
  } else {
    final int childIndex = position - firstListItemPosition;
    return listView.getChildAt(childIndex);
  }
}

代码示例来源：origin: stackoverflow.com

public static int dpToPx(int dp, Context ctx) {
  Resources r = ctx.getResources();
  return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, r.getDisplayMetrics());
}
//originally: http://stackoverflow.com/questions/5418510/disable-the-touch-events-for-all-the-views
//modified for the needs here
public static void enableDisableViewGroup(ViewGroup viewGroup, boolean enabled) {
  int childCount = viewGroup.getChildCount();
  for (int i = 0; i < childCount; i++) {
    View view = viewGroup.getChildAt(i);
    if(view.isFocusable())
      view.setEnabled(enabled);
    if (view instanceof ViewGroup) {
      enableDisableViewGroup((ViewGroup) view, enabled);
      } else if (view instanceof ListView) {
        if(view.isFocusable())
          view.setEnabled(enabled);
        ListView listView = (ListView) view;
        int listChildCount = listView.getChildCount();
        for (int j = 0; j < listChildCount; j++) {
          if(view.isFocusable())
            listView.getChildAt(j).setEnabled(false);
          }
        }
    }
  }

代码示例来源：origin: umano/AndroidSlidingUpPanel

return (child.getBottom() - (sv.getHeight() + sv.getScrollY()));
} else if (scrollableView instanceof ListView && ((ListView) scrollableView).getChildCount() > 0) {
  ListView lv = ((ListView) scrollableView);
  if (lv.getAdapter() == null) return 0;
    View lastChild = lv.getChildAt(lv.getChildCount() - 1);

代码示例来源：origin: cSploit/android

private void setStoppedState(){
 int rows = mActionListView.getChildCount(),
  i;
 boolean somethingIsRunning = false;
 ActionAdapter.ActionHolder holder;
 View row;
 for(i = 0; i < rows && somethingIsRunning == false; i++){
  if((row = mActionListView.getChildAt(i)) != null){
   holder = (ActionAdapter.ActionHolder) row.getTag();
   if(holder.activity.getVisibility() == View.VISIBLE)
    somethingIsRunning = true;
  }
 }
 if(somethingIsRunning){
  Logger.debug("Stopping current jobs ...");
  if(mSpoofSession != null){
   mSpoofSession.stop();
   mSpoofSession = null;
  }
  for(i = 0; i < rows; i++){
   if((row = mActionListView.getChildAt(i)) != null){
    holder = (ActionAdapter.ActionHolder) row.getTag();
    holder.activity.setVisibility(View.INVISIBLE);
   }
  }
 }
}

代码示例来源：origin: gzu-liyujiang/AndroidPicker

for (int i = 0; i < listView.getChildCount(); i++) {
  height += listView.getChildAt(i).getHeight();

代码示例来源：origin: wangdan/AisenWeiBo

public void show() {
  int top = 0;
  if (getRefreshView().getChildCount() > 0 && getRefreshView().getChildAt(0).getHeight() > 0) {
    top = getRefreshView().getChildAt(0).getHeight() * 3;
  }
  else {
    top = Utils.dip2px(getActivity(), 175);
  }
  getRefreshView().setSelectionFromTop(selectedPosition, top);
}

代码示例来源：origin: stackoverflow.com

int childCount = mListView.getChildCount();
int[] listViewCoords = new int[2];
mListView.getLocationOnScreen(listViewCoords);

代码示例来源：origin: robolectric/robolectric

@Test
public void setAdapter_shouldNotClearHeaderOrFooterViews() throws Exception {
 View header = new View(context);
 listView.addHeaderView(header);
 View footer = new View(context);
 listView.addFooterView(footer);
 prepareListWithThreeItems();
 assertThat(listView.getChildCount()).isEqualTo(5);
 assertThat(listView.getChildAt(0)).isSameAs(header);
 assertThat(listView.getChildAt(4)).isSameAs(footer);
}

代码示例来源：origin: waynell/VideoListPlayer

@Override
public int getChildCount() {
  return mListView.getChildCount();
}

代码示例来源：origin: stackoverflow.com

for (int i = 0; i < list.getChildCount(); i++) {
  (list.getChildAt(i).getBackground()).setState(new int[] { 0 });

代码示例来源：origin: stackoverflow.com

CheckBox cb;
 ListView mainListView = getListView();
 for (int x = 0; x<mainListView.getChildCount();x++){
   cb = (CheckBox)mainListView.getChildAt(x).findViewById(R.id.myCheckBox);
   if(cb.isChecked()){
     doSomething();
   }
 }

代码示例来源：origin: waynell/VideoListPlayer

@Override
public ListItem getListItem(int position) {
  // find the list item
  int childCount = mListView.getChildCount();
  for (int i = 0; i < childCount; i++) {
    View view = mListView.getChildAt(i);
    if(view != null) {
      if (view.getTag() instanceof VideoViewHolder) {
        VideoViewHolder holder = (VideoViewHolder) view.getTag();
        int holderPosition = mHolderHelper.get(holder);
        if (holderPosition == position) {
          return holder;
        }
      }
    }
  }
  return null;
}

代码示例来源：origin: stackoverflow.com

for (int i = 0; i < listview.getChildCount(); ++i) {
  View child = listview.getChildAt(i);
  if (child != viewToRemove) {
    boolean firstAnimation = true;
    int firstVisiblePosition = listview.getFirstVisiblePosition();
    for (int i = 0; i < listview.getChildCount(); ++i) {
      final View child = listview.getChildAt(i);
      int position = firstVisiblePosition + i;

代码示例来源：origin: stackoverflow.com

&& (mList.getChildCount() == 0 || mList.getChildAt(0).getTop() == 0)) {
if ((mInterceptY - oldLastY > 5) || (mState == STATE_PULL) || (mState == STATE_RELEASE)) {
  mScrollingList = false;

代码示例来源：origin: nirhart/ParallaxScroll

private void headerParallax() {
  if (parallaxedView != null) {
    if (listView.getChildCount() > 0) {
      int top = -listView.getChildAt(0).getTop();
      if (top >= 0) {
        setFilters(top);
      }
    }
  }
}

代码示例来源：origin: nirhart/ParallaxScroll

private void circularParallax() {
  if (listView.getChildCount() > 0) {
    int top = -listView.getChildAt(0).getTop();
    if (top >= 0) {
      fillParallaxedViews();
      setFilters(top);
    }
  }
}

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