android.widget.ExpandableListView#getPackedPositionChild ( )源码实例Demo

下面列出了android.widget.ExpandableListView#getPackedPositionChild ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： delion 文件： RecentTabsPage.java

@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);
    }
}

源代码2 项目： AndroidChromium 文件： RecentTabsPage.java

@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);
    }
}

源代码3 项目： BigApp_Discuz_Android 文件： IphoneTreeView.java

@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.getTreeHeaderState(groupPos, childPos);
	if (mHeaderView != null && mAdapter != null && state != mOldState) {
		mOldState = state;
		mHeaderView.layout(0, 0, mHeaderViewWidth, mHeaderViewHeight);
	}

	configureHeaderView(groupPos, childPos);
}

源代码4 项目： expandable-recycler-view 文件： ExpandableListPosition.java

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;
}

源代码5 项目： 365browser 文件： RecentTabsPage.java

@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);
    }
}

源代码6 项目： bither-android 文件： PinnedHeaderExpandableListView.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
	super.onLayout(changed, l, t, r, b);
	final long flatPostion = getExpandableListPosition(getFirstVisiblePosition());
	final int groupPos = ExpandableListView
			.getPackedPositionGroup(flatPostion);
	final int childPos = ExpandableListView
			.getPackedPositionChild(flatPostion);
	int state = mAdapter.getPinnedHeaderState(groupPos, childPos);
	
	if (mHeaderView != null && mAdapter != null && state != mOldState) {
		mOldState = state;
		mHeaderView.layout(0, 0, mHeaderViewWidth, mHeaderViewHeight);
	}

	configureHeaderView(groupPos, childPos);
}

源代码7 项目： TreeView 文件： TreeView.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    super.onLayout(changed, left, top, right, bottom);

    final long listPosition = getExpandableListPosition(getFirstVisiblePosition());
    final int groupPos = ExpandableListView.getPackedPositionGroup(listPosition);
    final int childPos = ExpandableListView.getPackedPositionChild(listPosition);

    int state = mUpdater.getHeaderState(groupPos, childPos);
    if (mHeaderView != null && mUpdater != null && state != mOldState) {
        mOldState = state;
        mHeaderView.layout(0, 0, mHeaderWidth, mHeaderHeight);
    }

    updateHeaderView(groupPos, childPos);
}

源代码8 项目： zom-android-matrix 文件： VectorUtils.java

/**
 * Provides the visible child views.
 * The map key is the group position.
 * The map values are the visible child views.
 *
 * @param expandableListView the listview
 * @param adapter            the linked adapter
 * @return visible views map
 */
public static Map<Integer, List<Integer>> getVisibleChildViews(ExpandableListView expandableListView, BaseExpandableListAdapter adapter) {
    Map<Integer, List<Integer>> map = new HashMap<>();

    long firstPackedPosition = expandableListView.getExpandableListPosition(expandableListView.getFirstVisiblePosition());

    int firstGroupPosition = ExpandableListView.getPackedPositionGroup(firstPackedPosition);
    int firstChildPosition = ExpandableListView.getPackedPositionChild(firstPackedPosition);

    long lastPackedPosition = expandableListView.getExpandableListPosition(expandableListView.getLastVisiblePosition());

    int lastGroupPosition = ExpandableListView.getPackedPositionGroup(lastPackedPosition);
    int lastChildPosition = ExpandableListView.getPackedPositionChild(lastPackedPosition);

    for (int groupPos = firstGroupPosition; groupPos <= lastGroupPosition; groupPos++) {
        List<Integer> list = new ArrayList<>();

        int startChildPos = (groupPos == firstGroupPosition) ? firstChildPosition : 0;
        int endChildPos = (groupPos == lastGroupPosition) ? lastChildPosition : adapter.getChildrenCount(groupPos) - 1;

        for (int index = startChildPos; index <= endChildPos; index++) {
            list.add(index);
        }

        map.put(groupPos, list);
    }

    return map;
}

源代码9 项目： FireFiles 文件： RootsFragment.java

@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;
    }
}

源代码10 项目： FireFiles 文件： RootsFragment.java

@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;
    }
}

源代码11 项目： FireFiles 文件： RootsFragment.java

@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;
    }
}

源代码12 项目： BigApp_Discuz_Android 文件： IphoneTreeView.java

@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);
}

源代码13 项目： PADListener 文件： ChooseSyncGroupedContextMenuHelper.java

@SuppressWarnings("unchecked")
private ChooseModelContainer<SyncedMonsterModel> getChildMonsterItem(ContextMenu.ContextMenuInfo menuInfo) {
	MyLog.entry("menuInfo = " + menuInfo);

	final ExpandableListView.ExpandableListContextMenuInfo listItem = (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
	int groupPosition = ExpandableListView.getPackedPositionGroup(listItem.packedPosition);
	int childPosition = ExpandableListView.getPackedPositionChild(listItem.packedPosition);
	final ChooseModelContainer result = adapter.getChild(groupPosition, childPosition);

	MyLog.exit();
	return result;
}

源代码14 项目： bither-android 文件： HotAddressFragment.java

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

源代码15 项目： TreeView 文件： TreeView.java

@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount,
                     int totalItemCount) {
    final long listPosition = getExpandableListPosition(firstVisibleItem);
    int groupPos = ExpandableListView.getPackedPositionGroup(listPosition);
    int childPos = ExpandableListView.getPackedPositionChild(listPosition);

    updateHeaderView(groupPos, childPos);
}

源代码16 项目： document-viewer 文件： OPDSActivity.java

/**
 * {@inheritDoc}
 *
 * @see android.app.Activity#onCreateContextMenu(android.view.ContextMenu, android.view.View, android.view.ContextMenu.ContextMenuInfo)
 */
@Override
public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
    if (menuInfo instanceof ExpandableListContextMenuInfo) {
        final ExpandableListContextMenuInfo cmi = (ExpandableListContextMenuInfo) menuInfo;
        final int type = ExpandableListView.getPackedPositionType(cmi.packedPosition);
        final int groupPosition = ExpandableListView.getPackedPositionGroup(cmi.packedPosition);
        final int childPosition = ExpandableListView.getPackedPositionChild(cmi.packedPosition);
        // System.out.println("OPDSActivity.onCreateContextMenu(): " + type + ", " + groupPosition + ", "
        // + childPosition);
        switch (type) {
            case ExpandableListView.PACKED_POSITION_TYPE_NULL:
                onCreateContextMenu(menu);
                return;
            case ExpandableListView.PACKED_POSITION_TYPE_GROUP:
                final Entry entry = getController().adapter.getGroup(groupPosition);
                if (entry instanceof Feed) {
                    onCreateFeedContextMenu(menu, (Feed) entry);
                } else if (entry instanceof Book) {
                    onCreateBookContextMenu(menu, (Book) entry);
                }
                return;
            case ExpandableListView.PACKED_POSITION_TYPE_CHILD:
                final Entry group = getController().adapter.getGroup(groupPosition);
                final Object child = getController().adapter.getChild(groupPosition, childPosition);
                if (child instanceof Link) {
                    onCreateLinkContextMenu(menu, (Book) group, (Link) child);
                } else if (child instanceof Feed) {
                    onCreateFacetContextMenu(menu, (Feed) group, (Feed) child);
                }
                return;
        }
    }
    onCreateContextMenu(menu);
}

源代码17 项目： ListView-Swipe-to-Delete 文件： ItemExpListGestureDetector.java

@Override
public boolean onSingleTapUp(MotionEvent e) {
	int pos = itemListHandler.getListView().pointToPosition((int) e.getX(), (int) e.getY());
	if (pos < 0) { return true; }
	long expPos = itemListHandler.getListView().getExpandableListPosition(pos);
	int groupPos = ExpandableListView.getPackedPositionGroup(expPos);
	int childPos = ExpandableListView.getPackedPositionChild(expPos);
	if (childPos >= 0) {
		itemListHandler.onItemClicked(groupPos, childPos);
	}
	else {
		itemListHandler.onGroupClicked(groupPos);
	}
	return true;
}

源代码18 项目： sa-sdk-android 文件： ViewUtil.java

public static ViewNode getViewNode(View view, int viewIndex) {
    int viewPosition = getViewPosition(view, viewIndex);
    ViewParent parentObject = view.getParent();
    if (parentObject == null) {
        return null;
    }
    if (!WindowHelper.isDecorView(view.getClass()) || (parentObject instanceof View)) {
        if (parentObject instanceof View) {
            View parentView = (View) parentObject;
            StringBuilder opx = new StringBuilder();
            StringBuilder px = new StringBuilder();
            String viewName = ViewUtil.getCanonicalName(view.getClass());
            Object fragment = null;
            String listPos = null;
            // 处理嵌套场景，如果父 View 是列表类型控件，将父 View 的列表位置传递给非列表类型子控件; 列表类型子控件则直接用自身位置。
            ViewParent parent = parentView.getParent();
            if (parent instanceof View) {
                View listParentView = (View) parent;
                if (sViewCache == null) {
                    sViewCache = new SparseArray<String>();
                }
                String parentPos = (String) sViewCache.get(listParentView.hashCode());
                if (!TextUtils.isEmpty(parentPos)) {
                    listPos = parentPos;
                }
            }
            if (parentView instanceof ExpandableListView) {
                ExpandableListView listParent = (ExpandableListView) parentView;
                long elp = listParent.getExpandableListPosition(viewPosition);
                if (ExpandableListView.getPackedPositionType(elp) != 2) {
                    int groupIdx = ExpandableListView.getPackedPositionGroup(elp);
                    int childIdx = ExpandableListView.getPackedPositionChild(elp);
                    if (childIdx != -1) {
                        listPos = String.format(Locale.CHINA, "%d:%d", groupIdx, childIdx);
                        px.append(opx).append("/ELVG[").append(groupIdx).append("]/ELVC[-]/").append(viewName).append("[0]");
                        opx.append("/ELVG[").append(groupIdx).append("]/ELVC[").append(childIdx).append("]/").append(viewName).append("[0]");
                    } else {
                        listPos = String.format(Locale.CHINA, "%d", groupIdx);
                        px.append(opx).append("/ELVG[-]/").append(viewName).append("[0]");
                        opx.append("/ELVG[").append(groupIdx).append("]/").append(viewName).append("[0]");
                    }
                } else if (viewPosition < listParent.getHeaderViewsCount()) {
                    opx.append("/ELH[").append(viewPosition).append("]/").append(viewName).append("[0]");
                    px.append("/ELH[").append(viewPosition).append("]/").append(viewName).append("[0]");
                } else {
                    int footerIndex = viewPosition - (listParent.getCount() - listParent.getFooterViewsCount());
                    opx.append("/ELF[").append(footerIndex).append("]/").append(viewName).append("[0]");
                    px.append("/ELF[").append(footerIndex).append("]/").append(viewName).append("[0]");
                }
            } else if (ViewUtil.isListView(parentView)) {
                listPos = String.format(Locale.CHINA, "%d", viewPosition);
                px.append(opx).append("/").append(viewName).append("[-]");
                opx.append("/").append(viewName).append("[").append(listPos).append("]");
            } else if (ViewUtil.instanceOfSupportSwipeRefreshLayout(parentView)) {
                opx.append("/").append(viewName).append("[0]");
                px.append("/").append(viewName).append("[0]");
            } else if ((fragment = ViewUtil.instanceOfFragmentRootView(parentView, view)) != null) {
                viewName = ViewUtil.getCanonicalName(fragment.getClass());
                opx.append("/").append(viewName).append("[0]");
                px.append("/").append(viewName).append("[0]");
            } else {
                viewPosition = VisualUtil.getChildIndex(parentObject, view);
                opx.append("/").append(viewName).append("[").append(viewPosition).append("]");
                px.append("/").append(viewName).append("[").append(viewPosition).append("]");
            }
            if (WindowHelper.isDecorView(parentView.getClass())) {
                if (opx.length() > 0) {
                    opx.deleteCharAt(0);
                }
                if (px.length() > 0) {
                    px.deleteCharAt(0);
                }
            }
            if (!TextUtils.isEmpty(listPos)) {
                if (sViewCache == null) {
                    sViewCache = new SparseArray<String>();
                }
                sViewCache.put(parentView.hashCode(), listPos);
            }
            ViewNode viewNode = getViewContentAndType(view);
            return new ViewNode(listPos, opx.toString(), px.toString(), viewNode.getViewContent(), viewNode.getViewType());
        }
    }
    return null;
}

源代码19 项目： PADListener 文件： ChooseSyncGroupedContextMenuHelper.java

private boolean isGroup(ContextMenu.ContextMenuInfo menuInfo) {
	ExpandableListView.ExpandableListContextMenuInfo listItem = (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
	int childPosition = ExpandableListView.getPackedPositionChild(listItem.packedPosition);
	return childPosition == -1;
}

源代码20 项目： 4pdaClient-plus 文件： LeadersListFragment.java

@Override
public void onCreateContextMenu(ContextMenu menu, View v,
                                ContextMenu.ContextMenuInfo menuInfo) {
    super.onCreateContextMenu(menu, v, menuInfo);
    ExpandableListView.ExpandableListContextMenuInfo info =
            (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;

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

    if (type == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
        Object o = getAdapter().getChild(groupPosition, childPosition);
        if (o == null) return;
        final LeadUser leadUser = ((LeadUser) o);

        final List<MenuListDialog> list = new ArrayList<>();
        list.add(new MenuListDialog(App.getInstance().getString(R.string.list_forums), () -> {
            if (leadUser.isAllForumsOwner()) {
                MainActivity.showListFragment(new ForumBrickInfo().getName(), null);
            } else {
                CharSequence[] forumTitles = new CharSequence[leadUser.getForums().size()];
                int i = 0;
                for (Forum f : leadUser.getForums()) {
                    forumTitles[i++] = f.getTitle();
                }
                Context context = getContext();
                if (context != null)
                    new MaterialDialog.Builder(context)
                            .title(R.string.forums)
                            .items(forumTitles)
                            .itemsCallbackSingleChoice(-1, (dialog, view, i1, forumTitles1) -> {
                                ForumTopicsListFragment.showForumTopicsList(
                                        leadUser.getForums().get(i1).getId(), leadUser.getForums().get(i1).getTitle());
                                return true; // allow selection
                            })
                            .show();
            }
        }));
        ForumUser.onCreateContextMenu(getContext(), list, leadUser.getId().toString(), leadUser.getNick().toString());
        ExtUrl.showContextDialog(getContext(), null, list);
    }
}

方法所在类

android.widget.ExpandableListView