Examples with TabWidget android.widget.TabWidget used on opensource projects

Example 1 with TabWidget

use of android.widget.TabWidget 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 2 with TabWidget

use of android.widget.TabWidget in project AndroidDevelop by 7449.

the class BadgeView method applyTo.

private void applyTo(View target) {
    LayoutParams lp = target.getLayoutParams();
    ViewParent parent = target.getParent();
    FrameLayout container = new FrameLayout(context);
    if (target instanceof TabWidget) {
        target = ((TabWidget) target).getChildTabViewAt(targetTabIndex);
        this.target = target;
        ((ViewGroup) target).addView(container, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
        this.setVisibility(View.GONE);
        container.addView(this);
    } else {
        ViewGroup group = (ViewGroup) parent;
        int index = group.indexOfChild(target);
        group.removeView(target);
        group.addView(container, index, lp);
        container.addView(target);
        this.setVisibility(View.GONE);
        container.addView(this);
        group.invalidate();
    }
}

Example 3 with TabWidget

use of android.widget.TabWidget in project android_frameworks_base by DirtyUnicorns.

the class RenderSessionImpl method setupTabHost.

/**
     * Sets up a {@link TabHost} object.
     * @param tabHost the TabHost to setup.
     * @param layoutlibCallback The project callback object to access the project R class.
     * @throws PostInflateException
     */
private void setupTabHost(TabHost tabHost, LayoutlibCallback layoutlibCallback) throws PostInflateException {
    // look for the TabWidget, and the FrameLayout. They have their own specific names
    View v = tabHost.findViewById(android.R.id.tabs);
    if (v == null) {
        throw new PostInflateException("TabHost requires a TabWidget with id \"android:id/tabs\".\n");
    }
    if (!(v instanceof TabWidget)) {
        throw new PostInflateException(String.format("TabHost requires a TabWidget with id \"android:id/tabs\".\n" + "View found with id 'tabs' is '%s'", v.getClass().getCanonicalName()));
    }
    v = tabHost.findViewById(android.R.id.tabcontent);
    if (v == null) {
        //noinspection SpellCheckingInspection
        throw new PostInflateException("TabHost requires a FrameLayout with id \"android:id/tabcontent\".");
    }
    if (!(v instanceof FrameLayout)) {
        //noinspection SpellCheckingInspection
        throw new PostInflateException(String.format("TabHost requires a FrameLayout with id \"android:id/tabcontent\".\n" + "View found with id 'tabcontent' is '%s'", v.getClass().getCanonicalName()));
    }
    FrameLayout content = (FrameLayout) v;
    // now process the content of the frameLayout and dynamically create tabs for it.
    final int count = content.getChildCount();
    // this must be called before addTab() so that the TabHost searches its TabWidget
    // and FrameLayout.
    tabHost.setup();
    if (count == 0) {
        // Create a dummy child to get a single tab
        TabSpec spec = tabHost.newTabSpec("tag").setIndicator("Tab Label", tabHost.getResources().getDrawable(android.R.drawable.ic_menu_info_details, null)).setContent(new TabHost.TabContentFactory() {

            @Override
            public View createTabContent(String tag) {
                return new LinearLayout(getContext());
            }
        });
        tabHost.addTab(spec);
    } else {
        // for each child of the frameLayout, add a new TabSpec
        for (int i = 0; i < count; i++) {
            View child = content.getChildAt(i);
            String tabSpec = String.format("tab_spec%d", i + 1);
            // child cannot be null.
            @SuppressWarnings("ConstantConditions") int id = child.getId();
            @SuppressWarnings("deprecation") Pair<ResourceType, String> resource = layoutlibCallback.resolveResourceId(id);
            String name;
            if (resource != null) {
                name = resource.getSecond();
            } else {
                // default name if id is unresolved.
                name = String.format("Tab %d", i + 1);
            }
            tabHost.addTab(tabHost.newTabSpec(tabSpec).setIndicator(name).setContent(id));
        }
    }
}

Example 4 with TabWidget

use of android.widget.TabWidget in project Cangol-uiframe by Cangol.

the class TabPageManager method onPageSelected.

public void onPageSelected(int position) {
    // Unfortunately when TabHost changes the current tab, it kindly
    // also takes care of putting focus on it when not in touch mode.
    // The jerk.
    // This hack tries to prevent this from pulling focus out of our
    // ViewPager.
    TabWidget widget = mTabHost.getTabWidget();
    int oldFocusability = widget.getDescendantFocusability();
    widget.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
    mTabHost.setCurrentTab(position);
    widget.setDescendantFocusability(oldFocusability);
}

Example 5 with TabWidget

use of android.widget.TabWidget in project platform_frameworks_base by android.

the class RenderSessionImpl method setupTabHost.

/**
     * Sets up a {@link TabHost} object.
     * @param tabHost the TabHost to setup.
     * @param layoutlibCallback The project callback object to access the project R class.
     * @throws PostInflateException
     */
private void setupTabHost(TabHost tabHost, LayoutlibCallback layoutlibCallback) throws PostInflateException {
    // look for the TabWidget, and the FrameLayout. They have their own specific names
    View v = tabHost.findViewById(android.R.id.tabs);
    if (v == null) {
        throw new PostInflateException("TabHost requires a TabWidget with id \"android:id/tabs\".\n");
    }
    if (!(v instanceof TabWidget)) {
        throw new PostInflateException(String.format("TabHost requires a TabWidget with id \"android:id/tabs\".\n" + "View found with id 'tabs' is '%s'", v.getClass().getCanonicalName()));
    }
    v = tabHost.findViewById(android.R.id.tabcontent);
    if (v == null) {
        //noinspection SpellCheckingInspection
        throw new PostInflateException("TabHost requires a FrameLayout with id \"android:id/tabcontent\".");
    }
    if (!(v instanceof FrameLayout)) {
        //noinspection SpellCheckingInspection
        throw new PostInflateException(String.format("TabHost requires a FrameLayout with id \"android:id/tabcontent\".\n" + "View found with id 'tabcontent' is '%s'", v.getClass().getCanonicalName()));
    }
    FrameLayout content = (FrameLayout) v;
    // now process the content of the frameLayout and dynamically create tabs for it.
    final int count = content.getChildCount();
    // this must be called before addTab() so that the TabHost searches its TabWidget
    // and FrameLayout.
    tabHost.setup();
    if (count == 0) {
        // Create a dummy child to get a single tab
        TabSpec spec = tabHost.newTabSpec("tag").setIndicator("Tab Label", tabHost.getResources().getDrawable(android.R.drawable.ic_menu_info_details, null)).setContent(new TabHost.TabContentFactory() {

            @Override
            public View createTabContent(String tag) {
                return new LinearLayout(getContext());
            }
        });
        tabHost.addTab(spec);
    } else {
        // for each child of the frameLayout, add a new TabSpec
        for (int i = 0; i < count; i++) {
            View child = content.getChildAt(i);
            String tabSpec = String.format("tab_spec%d", i + 1);
            // child cannot be null.
            @SuppressWarnings("ConstantConditions") int id = child.getId();
            @SuppressWarnings("deprecation") Pair<ResourceType, String> resource = layoutlibCallback.resolveResourceId(id);
            String name;
            if (resource != null) {
                name = resource.getSecond();
            } else {
                // default name if id is unresolved.
                name = String.format("Tab %d", i + 1);
            }
            tabHost.addTab(tabHost.newTabSpec(tabSpec).setIndicator(name).setContent(id));
        }
    }
}