Example usage for android.view ViewGroup requestLayout

Introduction

In this page you can find the example usage for android.view ViewGroup requestLayout.

Prototype

@CallSuper
public void requestLayout() 

Source Link

Document

Call this when something has changed which has invalidated the layout of this view.

Usage

From source file:com.fairphone.fplauncher3.Workspace.java

void removeItemsByComponentName(final HashSet<ComponentName> componentNames, final UserHandleCompat user) {
    ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts();
    for (final CellLayout layoutParent : cellLayouts) {
        final ViewGroup layout = layoutParent.getShortcutsAndWidgets();

        final HashMap<ItemInfo, View> children = new HashMap<ItemInfo, View>();
        for (int j = 0; j < layout.getChildCount(); j++) {
            final View view = layout.getChildAt(j);
            children.put((ItemInfo) view.getTag(), view);
        }//from  w ww . j a v  a 2s.c o m

        final ArrayList<View> childrenToRemove = new ArrayList<View>();
        final HashMap<FolderInfo, ArrayList<ShortcutInfo>> folderAppsToRemove = new HashMap<FolderInfo, ArrayList<ShortcutInfo>>();
        LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() {
            @Override
            public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) {
                if (parent instanceof FolderInfo) {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        FolderInfo folder = (FolderInfo) parent;
                        ArrayList<ShortcutInfo> appsToRemove;
                        if (folderAppsToRemove.containsKey(folder)) {
                            appsToRemove = folderAppsToRemove.get(folder);
                        } else {
                            appsToRemove = new ArrayList<ShortcutInfo>();
                            folderAppsToRemove.put(folder, appsToRemove);
                        }
                        appsToRemove.add((ShortcutInfo) info);
                        return true;
                    }
                } else {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        childrenToRemove.add(children.get(info));
                        return true;
                    }
                }
                return false;
            }
        };
        LauncherModel.filterItemInfos(children.keySet(), filter);

        // Remove all the apps from their folders
        for (FolderInfo folder : folderAppsToRemove.keySet()) {
            ArrayList<ShortcutInfo> appsToRemove = folderAppsToRemove.get(folder);
            for (ShortcutInfo info : appsToRemove) {
                folder.remove(info);
            }
        }

        // Remove all the other children
        for (View child : childrenToRemove) {
            // Note: We can not remove the view directly from CellLayoutChildren as this
            // does not re-mark the spaces as unoccupied.
            layoutParent.removeViewInLayout(child);
            if (child instanceof DropTarget) {
                mDragController.removeDropTarget((DropTarget) child);
            }
        }

        if (!childrenToRemove.isEmpty()) {
            layout.requestLayout();
            layout.invalidate();
        }
    }

    // Strip all the empty screens
    stripEmptyScreens();
}

---

From source file:com.android.launcher4.Workspace.java

/**
 * Removes items that match the item info specified. When applications are removed
 * as a part of an update, this is called to ensure that other widgets and application
 * shortcuts are not removed.//from  w  w w .  java 2 s.co m
 */
void removeItemsByComponentName(final HashSet<ComponentName> componentNames, final UserHandleCompat user) {
    ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts();
    for (final CellLayout layoutParent : cellLayouts) {
        final ViewGroup layout = layoutParent.getShortcutsAndWidgets();

        final HashMap<ItemInfo, View> children = new HashMap<ItemInfo, View>();
        for (int j = 0; j < layout.getChildCount(); j++) {
            final View view = layout.getChildAt(j);
            children.put((ItemInfo) view.getTag(), view);
        }

        final ArrayList<View> childrenToRemove = new ArrayList<View>();
        final HashMap<FolderInfo, ArrayList<ShortcutInfo>> folderAppsToRemove = new HashMap<FolderInfo, ArrayList<ShortcutInfo>>();
        LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() {
            @Override
            public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) {
                if (parent instanceof FolderInfo) {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        FolderInfo folder = (FolderInfo) parent;
                        ArrayList<ShortcutInfo> appsToRemove;
                        if (folderAppsToRemove.containsKey(folder)) {
                            appsToRemove = folderAppsToRemove.get(folder);
                        } else {
                            appsToRemove = new ArrayList<ShortcutInfo>();
                            folderAppsToRemove.put(folder, appsToRemove);
                        }
                        appsToRemove.add((ShortcutInfo) info);
                        return true;
                    }
                } else {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        childrenToRemove.add(children.get(info));
                        return true;
                    }
                }
                return false;
            }
        };
        LauncherModel.filterItemInfos(children.keySet(), filter);

        // Remove all the apps from their folders
        for (FolderInfo folder : folderAppsToRemove.keySet()) {
            ArrayList<ShortcutInfo> appsToRemove = folderAppsToRemove.get(folder);
            for (ShortcutInfo info : appsToRemove) {
                folder.remove(info);
            }
        }

        // Remove all the other children
        for (View child : childrenToRemove) {
            // Note: We can not remove the view directly from CellLayoutChildren as this
            // does not re-mark the spaces as unoccupied.
            layoutParent.removeViewInLayout(child);
            if (child instanceof DropTarget) {
                mDragController.removeDropTarget((DropTarget) child);
            }
        }

        if (childrenToRemove.size() > 0) {
            layout.requestLayout();
            layout.invalidate();
        }
    }

    // Strip all the empty screens
    stripEmptyScreens();
}

---

From source file:com.upchannel.launcher3.Workspace.java

void removeItemsByComponentName(final HashSet<ComponentName> componentNames, final UserHandleCompat user) {
    ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts();
    for (final CellLayout layoutParent : cellLayouts) {
        final ViewGroup layout = layoutParent.getShortcutsAndWidgets();

        final HashMap<ItemInfo, View> children = new HashMap<ItemInfo, View>();
        for (int j = 0; j < layout.getChildCount(); j++) {
            final View view = layout.getChildAt(j);
            children.put((ItemInfo) view.getTag(), view);
        }/* ww w.j av a  2s . c  o  m*/

        final ArrayList<View> childrenToRemove = new ArrayList<View>();
        final HashMap<FolderInfo, ArrayList<ShortcutInfo>> folderAppsToRemove = new HashMap<FolderInfo, ArrayList<ShortcutInfo>>();
        LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() {
            @Override
            public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) {
                if (parent instanceof FolderInfo) {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        FolderInfo folder = (FolderInfo) parent;
                        ArrayList<ShortcutInfo> appsToRemove;
                        if (folderAppsToRemove.containsKey(folder)) {
                            appsToRemove = folderAppsToRemove.get(folder);
                        } else {
                            appsToRemove = new ArrayList<ShortcutInfo>();
                            folderAppsToRemove.put(folder, appsToRemove);
                        }
                        appsToRemove.add((ShortcutInfo) info);
                        return true;
                    }
                } else {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        childrenToRemove.add(children.get(info));
                        return true;
                    }
                }
                return false;
            }
        };
        LauncherModel.filterItemInfos(children.keySet(), filter);

        // Remove all the apps from their folders
        for (FolderInfo folder : folderAppsToRemove.keySet()) {
            ArrayList<ShortcutInfo> appsToRemove = folderAppsToRemove.get(folder);
            for (ShortcutInfo info : appsToRemove) {
                folder.remove(info);
            }
        }

        // Remove all the other children
        for (View child : childrenToRemove) {
            // Note: We can not remove the view directly from CellLayoutChildren as this
            // does not re-mark the spaces as unoccupied.
            layoutParent.removeViewInLayout(child);
            if (child instanceof DropTarget) {
                mDragController.removeDropTarget((DropTarget) child);
            }
        }

        if (childrenToRemove.size() > 0) {
            layout.requestLayout();
            layout.invalidate();
        }
    }

    // Strip all the empty screens
    stripEmptyScreens();
}

---

From source file:com.android.launcher3.Workspace.java

/**
 * Removes items that match the item info specified. When applications are removed
 * as a part of an update, this is called to ensure that other widgets and application
 * shortcuts are not removed./*www. j a v  a  2s . co  m*/
 */
void removeItemsByComponentName(final HashSet<ComponentName> componentNames, final UserHandleCompat user) {
    ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts();
    for (final CellLayout layoutParent : cellLayouts) {
        final ViewGroup layout = layoutParent.getShortcutsAndWidgets();

        final HashMap<ItemInfo, View> children = new HashMap<ItemInfo, View>();
        for (int j = 0; j < layout.getChildCount(); j++) {
            final View view = layout.getChildAt(j);
            children.put((ItemInfo) view.getTag(), view);
        }

        final ArrayList<View> childrenToRemove = new ArrayList<View>();
        final HashMap<FolderInfo, ArrayList<ShortcutInfo>> folderAppsToRemove = new HashMap<FolderInfo, ArrayList<ShortcutInfo>>();
        LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() {
            @Override
            public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) {
                if (parent instanceof FolderInfo) {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        FolderInfo folder = (FolderInfo) parent;
                        ArrayList<ShortcutInfo> appsToRemove;
                        if (folderAppsToRemove.containsKey(folder)) {
                            appsToRemove = folderAppsToRemove.get(folder);
                        } else {
                            appsToRemove = new ArrayList<ShortcutInfo>();
                            folderAppsToRemove.put(folder, appsToRemove);
                        }
                        appsToRemove.add((ShortcutInfo) info);
                        return true;
                    }
                } else {
                    if (componentNames.contains(cn) && info.user.equals(user)) {
                        childrenToRemove.add(children.get(info));
                        return true;
                    }
                }
                return false;
            }
        };
        LauncherModel.filterItemInfos(children.keySet(), filter);

        /*SPRD: bug410501 coverity 105605 problem, Inefficient Map Iterator, 2015-3-3. @{
        // Remove all the apps from their folders
        for (FolderInfo folder : folderAppsToRemove.keySet()) {
        ArrayList<ShortcutInfo> appsToRemove = folderAppsToRemove.get(folder);
        for (ShortcutInfo info : appsToRemove) {
            folder.remove(info);
        }
        }*/
        Iterator iter = folderAppsToRemove.entrySet().iterator();
        while (iter.hasNext()) {
            Map.Entry<FolderInfo, ArrayList<ShortcutInfo>> entry = (Map.Entry<FolderInfo, ArrayList<ShortcutInfo>>) iter
                    .next();
            FolderInfo folder = entry.getKey();
            ArrayList<ShortcutInfo> appsToRemove = entry.getValue();
            for (ShortcutInfo info : appsToRemove) {
                folder.remove(info);
            }
        }
        /*SPRD: bug410501 coverity 105605 problem, Inefficient Map Iterator, 2015-3-3. @{*/

        // Remove all the other children
        for (View child : childrenToRemove) {
            // Note: We can not remove the view directly from CellLayoutChildren as this
            // does not re-mark the spaces as unoccupied.
            layoutParent.removeViewInLayout(child);
            if (child instanceof DropTarget) {
                mDragController.removeDropTarget((DropTarget) child);
            }
        }

        if (childrenToRemove.size() > 0) {
            layout.requestLayout();
            layout.invalidate();
        }
    }

    // Strip all the empty screens
    stripEmptyScreens();
}

---

• «
• 1
• 2
• »