android.widget.ExpandableListView.getPackedPositionChild()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中android.widget.ExpandableListView.getPackedPositionChild()方法的一些代码示例，展示了ExpandableListView.getPackedPositionChild()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。ExpandableListView.getPackedPositionChild()方法的具体详情如下：
包路径：android.widget.ExpandableListView
类名称：ExpandableListView
方法名：getPackedPositionChild

ExpandableListView.getPackedPositionChild介绍

暂无

代码示例

代码示例来源：origin: androidquery/androidquery

int child = ExpandableListView.getPackedPositionChild(packed);

代码示例来源：origin: thoughtbot/expandable-recycler-view

static ExpandableListPosition obtainPosition(long packedPosition) {
 if (packedPosition == ExpandableListView.PACKED_POSITION_VALUE_NULL) {
  return null;
 }
 ExpandableListPosition elp = getRecycledOrCreate();
 elp.groupPos = ExpandableListView.getPackedPositionGroup(packedPosition);
 if (ExpandableListView.getPackedPositionType(packedPosition) ==
   ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
  elp.type = CHILD;
  elp.childPos = ExpandableListView.getPackedPositionChild(packedPosition);
 } else {
  elp.type = GROUP;
 }
 return elp;
}

代码示例来源：origin: THEONE10211024/ApiDemos

@Override
public boolean onContextItemSelected(MenuItem item) {
  ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) item.getMenuInfo();
  String title = ((TextView) info.targetView).getText().toString();
  
  int type = ExpandableListView.getPackedPositionType(info.packedPosition);
  if (type == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
    int groupPos = ExpandableListView.getPackedPositionGroup(info.packedPosition); 
    int childPos = ExpandableListView.getPackedPositionChild(info.packedPosition); 
    Toast.makeText(this, title + ": Child " + childPos + " clicked in group " + groupPos,
        Toast.LENGTH_SHORT).show();
    return true;
  } else if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
    int groupPos = ExpandableListView.getPackedPositionGroup(info.packedPosition); 
    Toast.makeText(this, title + ": Group " + groupPos + " clicked", Toast.LENGTH_SHORT).show();
    return true;
  }
  
  return false;
}

代码示例来源：origin: qiubiteme/android_api_demos

@Override
public boolean onContextItemSelected(MenuItem item) {
  ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) item.getMenuInfo();
  String title = ((TextView) info.targetView).getText().toString();
  
  int type = ExpandableListView.getPackedPositionType(info.packedPosition);
  if (type == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
    int groupPos = ExpandableListView.getPackedPositionGroup(info.packedPosition); 
    int childPos = ExpandableListView.getPackedPositionChild(info.packedPosition); 
    Toast.makeText(this, title + ": Child " + childPos + " clicked in group " + groupPos,
        Toast.LENGTH_SHORT).show();
    return true;
  } else if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
    int groupPos = ExpandableListView.getPackedPositionGroup(info.packedPosition); 
    Toast.makeText(this, title + ": Group " + groupPos + " clicked", Toast.LENGTH_SHORT).show();
    return true;
  }
  
  return false;
}

代码示例来源：origin: lucid-lynxz/BlogSamples

@Override
public void onScroll(AbsListView view, int firstVisibleItem,int visibleItemCount, int totalItemCount) {
  final long flatPos = getExpandableListPosition(firstVisibleItem);
  int groupPosition = ExpandableListView.getPackedPositionGroup(flatPos);
  int childPosition = ExpandableListView.getPackedPositionChild(flatPos);
  
  configureHeaderView(groupPosition, childPosition);
}

代码示例来源：origin: xiangzhihong/gpuImage

static ExpandableHListPosition obtainPosition(long packedPosition) {
  if (packedPosition == ExpandableListView.PACKED_POSITION_VALUE_NULL) {
    return null;
  }
  
  ExpandableHListPosition elp = getRecycledOrCreate();
  elp.groupPos = ExpandableListView.getPackedPositionGroup(packedPosition);
  if (ExpandableListView.getPackedPositionType(packedPosition) ==
      ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
    elp.type = CHILD;
    elp.childPos = ExpandableListView.getPackedPositionChild(packedPosition);
  } else {
    elp.type = GROUP;
  }
  return elp;
}

代码示例来源：origin: SecUSo/privacy-friendly-todo-list

@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
  int groupPosition = ExpandableListView.getPackedPositionGroup(id);
  if (ExpandableListView.getPackedPositionType(id) == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
    int childPosition = ExpandableListView.getPackedPositionChild(id);
    taskAdapter.setLongClickedSubTaskByPos(groupPosition, childPosition);
  } else {
    taskAdapter.setLongClickedTaskByPos(groupPosition);
  }
  return false;
}

代码示例来源：origin: lucid-lynxz/BlogSamples

@Override
protected void onLayout(boolean changed, int left, int top, int right,int bottom) {
  super.onLayout(changed, left, top, right, bottom);
  final long flatPostion = getExpandableListPosition(getFirstVisiblePosition());
  final int groupPos = ExpandableListView.getPackedPositionGroup(flatPostion);
  final int childPos = ExpandableListView.getPackedPositionChild(flatPostion);
  int state = mAdapter.getHeaderState(groupPos, childPos);
  if (mHeaderView != null && mAdapter != null && state != mOldState) {
    mOldState = state;
    mHeaderView.layout(0, 0, mHeaderViewWidth, mHeaderViewHeight);
  }
  configureHeaderView(groupPos, childPos);
}

代码示例来源：origin: SecUSo/privacy-friendly-todo-list

@Override
  public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
    int groupPosition = ExpandableListView.getPackedPositionGroup(id);
    if (ExpandableListView.getPackedPositionType(id) == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
      int childPosition = ExpandableListView.getPackedPositionChild(id);
      expandableTodoTaskAdapter.setLongClickedSubTaskByPos(groupPosition, childPosition);
    } else {
      expandableTodoTaskAdapter.setLongClickedTaskByPos(groupPosition);
    }
    registerForContextMenu(lv);
    return false;
  }
});

代码示例来源：origin: SecUSo/privacy-friendly-todo-list

@Override
  public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
    int groupPosition = ExpandableListView.getPackedPositionGroup(id);
    if (ExpandableListView.getPackedPositionType(id) == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
      int childPosition = ExpandableListView.getPackedPositionChild(id);
      expandableTodoTaskAdapter.setLongClickedSubTaskByPos(groupPosition, childPosition);
    } else {
      expandableTodoTaskAdapter.setLongClickedTaskByPos(groupPosition);
    }
    registerForContextMenu(exLv);
    return false;
  }
});

代码示例来源：origin: gigabytedevelopers/FireFiles

@Override
  public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
    int itemType = ExpandableListView.getPackedPositionType(id);
    int childPosition;
    int groupPosition;
    if ( itemType == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
      childPosition = ExpandableListView.getPackedPositionChild(id);
      groupPosition = ExpandableListView.getPackedPositionGroup(id);
      final Item item = (Item) mAdapter.getChild(groupPosition, childPosition);
      if (item instanceof AppItem) {
        showAppDetails(((AppItem) item).info);
        return true;
      } else if (item instanceof BookmarkItem) {
        removeBookark((BookmarkItem)item);
        return true;
      }  else {
        return false;
      }
    } else if(itemType == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
      groupPosition = ExpandableListView.getPackedPositionGroup(id);
      return false;
    } else {
      return false;
    }
  }
};

代码示例来源：origin: it.tidalwave.bluebill/bluebill-mobile-android

final int childPosition = ExpandableListView.getPackedPositionChild(info.packedPosition);
final ObservationItem observationItem = controller.getListAdapter().getChild(groupPosition, childPosition);

代码示例来源：origin: nailperry-zd/LazierTracker

private static String buildAdapterViewItemIndex(View child, ViewGroup group) {
  int index = ((AdapterView) group).getPositionForView(child);
  // ExpandableListView
  if (group instanceof ExpandableListView) {
    StringBuilder element = new StringBuilder();
    String exListIndicator = "";
    ExpandableListView _group = (ExpandableListView) group;
    long l = _group.getExpandableListPosition(index);
    int groupIndex;
    if (ExpandableListView.getPackedPositionType(l) == ExpandableListView.PACKED_POSITION_TYPE_NULL) {
      if (index < _group.getHeaderViewsCount()) {
        exListIndicator = "[header:" + index + "]";// header
      } else {
        groupIndex = index - (_group.getCount() - _group.getFooterViewsCount());
        exListIndicator = "[footer:" + groupIndex + "]";// footer
      }
    } else {
      groupIndex = ExpandableListView.getPackedPositionGroup(l);
      int childIndex = ExpandableListView.getPackedPositionChild(l);
      if (childIndex != -1) {
        exListIndicator = "[group:" + groupIndex + ",child:" + childIndex + "]";// group/child
      } else {
        exListIndicator = "[group:" + groupIndex + "]";// group
      }
    }
    Log.d("ExpandableListViewItem", "@index = " + index + ", @exListIndicator = " + exListIndicator);
    return exListIndicator;
  }
  return "[" + index + "]";
}

代码示例来源：origin: derry/delion

@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
  // Would prefer to have this context menu view managed internal to RecentTabsGroupView
  // Unfortunately, setting either onCreateContextMenuListener or onLongClickListener
  // disables the native onClick (expand/collapse) behaviour of the group view.
  ExpandableListView.ExpandableListContextMenuInfo info =
      (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
  int type = ExpandableListView.getPackedPositionType(info.packedPosition);
  int groupPosition = ExpandableListView.getPackedPositionGroup(info.packedPosition);
  if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
    mAdapter.getGroup(groupPosition).onCreateContextMenuForGroup(menu, mActivity);
  } else if (type == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
    int childPosition = ExpandableListView.getPackedPositionChild(info.packedPosition);
    mAdapter.getGroup(groupPosition).onCreateContextMenuForChild(childPosition, menu,
        mActivity);
  }
}

代码示例来源：origin: com.googlecode.android-query/android-query

int child = ExpandableListView.getPackedPositionChild(packed);

代码示例来源：origin: PrivacyApps/document-viewer

protected Object getContextMenuSource(final View v, final ContextMenuInfo menuInfo) {
  Object source = null;
  if (menuInfo instanceof AdapterContextMenuInfo) {
    final AbsListView list = (AbsListView) v;
    final AdapterContextMenuInfo mi = (AdapterContextMenuInfo) menuInfo;
    source = list.getAdapter().getItem(mi.position);
  } else if (menuInfo instanceof ExpandableListContextMenuInfo) {
    final ExpandableListView list = (ExpandableListView) v;
    final ExpandableListAdapter adapter = list.getExpandableListAdapter();
    final ExpandableListContextMenuInfo mi = (ExpandableListContextMenuInfo) menuInfo;
    final long pp = mi.packedPosition;
    final int group = ExpandableListView.getPackedPositionGroup(pp);
    final int child = ExpandableListView.getPackedPositionChild(pp);
    if (child >= 0) {
      source = adapter.getChild(group, child);
    } else {
      source = adapter.getGroup(group);
    }
  }
  return source;
}

代码示例来源：origin: PrivacyApps/document-viewer

protected Object getContextMenuSource(final View v, final ContextMenuInfo menuInfo) {
  Object source = null;
  if (menuInfo instanceof AdapterContextMenuInfo) {
    final AbsListView list = (AbsListView) v;
    final AdapterContextMenuInfo mi = (AdapterContextMenuInfo) menuInfo;
    source = list.getAdapter().getItem(mi.position);
  } else if (menuInfo instanceof ExpandableListContextMenuInfo) {
    final ExpandableListView list = (ExpandableListView) v;
    final ExpandableListAdapter adapter = list.getExpandableListAdapter();
    final ExpandableListContextMenuInfo mi = (ExpandableListContextMenuInfo) menuInfo;
    final long pp = mi.packedPosition;
    final int group = ExpandableListView.getPackedPositionGroup(pp);
    final int child = ExpandableListView.getPackedPositionChild(pp);
    if (child >= 0) {
      source = adapter.getChild(group, child);
    } else {
      source = adapter.getGroup(group);
    }
  }
  return source;
}

代码示例来源：origin: geniusgithub/AndroidDialer

@Override
public void onCreateContextMenu(ContextMenu menu, View view,
    ContextMenu.ContextMenuInfo menuInfo) {
  super.onCreateContextMenu(menu, view, menuInfo);
  // Bail if not working with expandable long-press, or if not child
  if (!(menuInfo instanceof ExpandableListContextMenuInfo)) return;
  final ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) menuInfo;
  final int groupPosition = ExpandableListView.getPackedPositionGroup(info.packedPosition);
  final int childPosition = ExpandableListView.getPackedPositionChild(info.packedPosition);
  // Skip long-press on expandable parents
  if (childPosition == -1) return;
  final AccountDisplay account = (AccountDisplay)mAdapter.getGroup(groupPosition);
  final GroupDelta child = (GroupDelta)mAdapter.getChild(groupPosition, childPosition);
  // Ignore when selective syncing unsupported
  final int syncMode = getSyncMode(account);
  if (syncMode == SYNC_MODE_UNSUPPORTED) return;
  if (child != null) {
    showRemoveSync(menu, account, child, syncMode);
  } else {
    showAddSync(menu, account, syncMode);
  }
}

代码示例来源：origin: jp1017/ActivityLauncher

@Override
public void onCreateContextMenu(ContextMenu menu, View v,
    ContextMenuInfo menuInfo) {
  menu.add(Menu.NONE, 0, Menu.NONE, R.string.context_action_shortcut);
  menu.add(Menu.NONE, 1, Menu.NONE, R.string.context_action_launch);
  
  ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo)menuInfo;
  ExpandableListView list = (ExpandableListView) getView().findViewById(R.id.expandableListView1);
  
  switch(ExpandableListView.getPackedPositionType(info.packedPosition)) {
  case ExpandableListView.PACKED_POSITION_TYPE_CHILD:
    MyActivityInfo activity = (MyActivityInfo) list.getExpandableListAdapter().getChild(ExpandableListView.getPackedPositionGroup(info.packedPosition), ExpandableListView.getPackedPositionChild(info.packedPosition));
    menu.setHeaderIcon(activity.icon);
    menu.setHeaderTitle(activity.name);
    menu.add(Menu.NONE, 2, Menu.NONE, R.string.context_action_edit);
    break;
  case ExpandableListView.PACKED_POSITION_TYPE_GROUP:
    MyPackageInfo pack = (MyPackageInfo) list.getExpandableListAdapter().getGroup(ExpandableListView.getPackedPositionGroup(info.packedPosition));
    menu.setHeaderIcon(pack.icon);
    menu.setHeaderTitle(pack.name);
    break;
  }
  super.onCreateContextMenu(menu, v, menuInfo);
}

代码示例来源：origin: PrivacyApps/document-viewer

final int type = ExpandableListView.getPackedPositionType(cmi.packedPosition);
final int groupPosition = ExpandableListView.getPackedPositionGroup(cmi.packedPosition);
final int childPosition = ExpandableListView.getPackedPositionChild(cmi.packedPosition);

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