Examples with ViewGroup android.view.ViewGroup used on opensource projects

Example 21 with ViewGroup

use of android.view.ViewGroup in project Launcher3 by chislon.

the class FocusHelper method handlePagedViewGridLayoutWidgetKeyEvent.

/**
     * Handles key events in a PageViewExtendedLayout containing PagedViewWidgets.
     */
static boolean handlePagedViewGridLayoutWidgetKeyEvent(PagedViewWidget w, int keyCode, KeyEvent e) {
    final PagedViewGridLayout parent = (PagedViewGridLayout) w.getParent();
    final PagedView container = (PagedView) parent.getParent();
    final TabHost tabHost = findTabHostParent(container);
    final TabWidget tabs = tabHost.getTabWidget();
    final int widgetIndex = parent.indexOfChild(w);
    final int widgetCount = parent.getChildCount();
    final int pageIndex = ((PagedView) container).indexToPage(container.indexOfChild(parent));
    final int pageCount = container.getChildCount();
    final int cellCountX = parent.getCellCountX();
    final int cellCountY = parent.getCellCountY();
    final int x = widgetIndex % cellCountX;
    final int y = widgetIndex / cellCountX;
    final int action = e.getAction();
    final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP);
    ViewGroup newParent = null;
    // Now that we load items in the bg asynchronously, we can't just focus
    // child siblings willy-nilly
    View child = null;
    boolean wasHandled = false;
    switch(keyCode) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (handleKeyEvent) {
                // Select the previous widget or the last widget on the previous page
                if (widgetIndex > 0) {
                    parent.getChildAt(widgetIndex - 1).requestFocus();
                } else {
                    if (pageIndex > 0) {
                        newParent = getAppsCustomizePage(container, pageIndex - 1);
                        if (newParent != null) {
                            child = newParent.getChildAt(newParent.getChildCount() - 1);
                            if (child != null)
                                child.requestFocus();
                        }
                    }
                }
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (handleKeyEvent) {
                // Select the next widget or the first widget on the next page
                if (widgetIndex < (widgetCount - 1)) {
                    parent.getChildAt(widgetIndex + 1).requestFocus();
                } else {
                    if (pageIndex < (pageCount - 1)) {
                        newParent = getAppsCustomizePage(container, pageIndex + 1);
                        if (newParent != null) {
                            child = newParent.getChildAt(0);
                            if (child != null)
                                child.requestFocus();
                        }
                    }
                }
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_DPAD_UP:
            if (handleKeyEvent) {
                // Select the closest icon in the previous row, otherwise select the tab bar
                if (y > 0) {
                    int newWidgetIndex = ((y - 1) * cellCountX) + x;
                    child = parent.getChildAt(newWidgetIndex);
                    if (child != null)
                        child.requestFocus();
                } else {
                    tabs.requestFocus();
                }
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (handleKeyEvent) {
                // Select the closest icon in the previous row, otherwise do nothing
                if (y < (cellCountY - 1)) {
                    int newWidgetIndex = Math.min(widgetCount - 1, ((y + 1) * cellCountX) + x);
                    child = parent.getChildAt(newWidgetIndex);
                    if (child != null)
                        child.requestFocus();
                }
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_ENTER:
        case KeyEvent.KEYCODE_DPAD_CENTER:
            if (handleKeyEvent) {
                // Simulate a click on the widget
                View.OnClickListener clickListener = (View.OnClickListener) container;
                clickListener.onClick(w);
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_PAGE_UP:
            if (handleKeyEvent) {
                // if there is no previous page
                if (pageIndex > 0) {
                    newParent = getAppsCustomizePage(container, pageIndex - 1);
                    if (newParent != null) {
                        child = newParent.getChildAt(0);
                    }
                } else {
                    child = parent.getChildAt(0);
                }
                if (child != null)
                    child.requestFocus();
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (handleKeyEvent) {
                // if there is no next page
                if (pageIndex < (pageCount - 1)) {
                    newParent = getAppsCustomizePage(container, pageIndex + 1);
                    if (newParent != null) {
                        child = newParent.getChildAt(0);
                    }
                } else {
                    child = parent.getChildAt(widgetCount - 1);
                }
                if (child != null)
                    child.requestFocus();
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_MOVE_HOME:
            if (handleKeyEvent) {
                // Select the first item on this page
                child = parent.getChildAt(0);
                if (child != null)
                    child.requestFocus();
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_MOVE_END:
            if (handleKeyEvent) {
                // Select the last item on this page
                parent.getChildAt(widgetCount - 1).requestFocus();
            }
            wasHandled = true;
            break;
        default:
            break;
    }
    return wasHandled;
}

Example 22 with ViewGroup

use of android.view.ViewGroup in project Launcher3 by chislon.

the class FocusHelper method handleAppsCustomizeTabKeyEvent.

/**
     * Handles key events in a AppsCustomize tab between the last tab view and the shop button.
     */
static boolean handleAppsCustomizeTabKeyEvent(View v, int keyCode, KeyEvent e) {
    final TabHost tabHost = findTabHostParent(v);
    final ViewGroup contents = tabHost.getTabContentView();
    final View shop = tabHost.findViewById(R.id.market_button);
    final int action = e.getAction();
    final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP);
    boolean wasHandled = false;
    switch(keyCode) {
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (handleKeyEvent) {
                // Select the shop button if we aren't on it
                if (v != shop) {
                    shop.requestFocus();
                }
            }
            wasHandled = true;
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (handleKeyEvent) {
                // Select the content view (down is handled by the tab key handler otherwise)
                if (v == shop) {
                    contents.requestFocus();
                    wasHandled = true;
                }
            }
            break;
        default:
            break;
    }
    return wasHandled;
}

Example 23 with ViewGroup

use of android.view.ViewGroup in project Android-PullToRefresh by chrisbanes.

the class PullToRefreshAdapterViewBase method setEmptyView.

/**
	 * Sets the Empty View to be used by the Adapter View.
	 * <p/>
	 * We need it handle it ourselves so that we can Pull-to-Refresh when the
	 * Empty View is shown.
	 * <p/>
	 * Please note, you do <strong>not</strong> usually need to call this method
	 * yourself. Calling setEmptyView on the AdapterView will automatically call
	 * this method and set everything up. This includes when the Android
	 * Framework automatically sets the Empty View based on it's ID.
	 * 
	 * @param newEmptyView - Empty View to be used
	 */
public final void setEmptyView(View newEmptyView) {
    FrameLayout refreshableViewWrapper = getRefreshableViewWrapper();
    if (null != newEmptyView) {
        // New view needs to be clickable so that Android recognizes it as a
        // target for Touch Events
        newEmptyView.setClickable(true);
        ViewParent newEmptyViewParent = newEmptyView.getParent();
        if (null != newEmptyViewParent && newEmptyViewParent instanceof ViewGroup) {
            ((ViewGroup) newEmptyViewParent).removeView(newEmptyView);
        }
        // We need to convert any LayoutParams so that it works in our
        // FrameLayout
        FrameLayout.LayoutParams lp = convertEmptyViewLayoutParams(newEmptyView.getLayoutParams());
        if (null != lp) {
            refreshableViewWrapper.addView(newEmptyView, lp);
        } else {
            refreshableViewWrapper.addView(newEmptyView);
        }
    }
    if (mRefreshableView instanceof EmptyViewMethodAccessor) {
        ((EmptyViewMethodAccessor) mRefreshableView).setEmptyViewInternal(newEmptyView);
    } else {
        mRefreshableView.setEmptyView(newEmptyView);
    }
    mEmptyView = newEmptyView;
}

Example 24 with ViewGroup

use of android.view.ViewGroup in project UltimateRecyclerView by cymcsg.

the class SwipeListView method recycle.

/**
     * Recycle cell. This method should be called from getView in Adapter when use SWIPE_ACTION_CHOICE
     *
     * @param convertView parent view
     * @param position    position in list
     */
public void recycle(View convertView, int position) {
    touchListener.reloadChoiceStateInView(convertView.findViewById(swipeFrontView), position);
    touchListener.reloadSwipeStateInView(convertView.findViewById(swipeFrontView), position);
    // cleaned.
    for (int j = 0; j < ((ViewGroup) convertView).getChildCount(); ++j) {
        View nextChild = ((ViewGroup) convertView).getChildAt(j);
        nextChild.setPressed(false);
    }
}

Example 25 with ViewGroup

use of android.view.ViewGroup in project AndroidViewAnimations by daimajia.

the class ZoomInUpAnimator method prepare.

@Override
public void prepare(View target) {
    ViewGroup parent = (ViewGroup) target.getParent();
    int distance = parent.getHeight() - target.getTop();
    getAnimatorAgent().playTogether(ObjectAnimator.ofFloat(target, "alpha", 0, 1, 1), ObjectAnimator.ofFloat(target, "scaleX", 0.1f, 0.475f, 1), ObjectAnimator.ofFloat(target, "scaleY", 0.1f, 0.475f, 1), ObjectAnimator.ofFloat(target, "translationY", distance, -60, 0));
}