fix bug with FAB and toggleBottomTabs

android/app/src/main/java/com/reactnativenavigation/layouts/BottomTabsLayout.java

@@ -8,6 +8,7 @@ import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.AppCompatActivity;
 import android.view.View;
 import android.widget.RelativeLayout;
+
 import com.aurelhubert.ahbottomnavigation.AHBottomNavigation;
 import com.facebook.react.bridge.Arguments;
 import com.facebook.react.bridge.Callback;
@@ -45,482 +46,488 @@ import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 @SuppressLint("ViewConstructor")
 public class BottomTabsLayout extends BaseLayout implements AHBottomNavigation.OnTabSelectedListener {
 
-    private ActivityParams params;
-    private SnackbarAndFabContainer snackbarAndFabContainer;
-    private BottomTabs bottomTabs;
-    private ScreenStack[] screenStacks;
-    private final SideMenuParams leftSideMenuParams;
-    private final SideMenuParams rightSideMenuParams;
-    private final SlidingOverlaysQueue slidingOverlaysQueue = new SlidingOverlaysQueue();
-    private @Nullable SideMenu sideMenu;
-    private int currentStackIndex = 0;
-    private LightBox lightBox;
-
-    public BottomTabsLayout(AppCompatActivity activity, ActivityParams params) {
-        super(activity);
-        this.params = params;
-        leftSideMenuParams = params.leftSideMenuParams;
-        rightSideMenuParams = params.rightSideMenuParams;
-        screenStacks = new ScreenStack[params.tabParams.size()];
-        createLayout();
-    }
-
-    private void createLayout() {
-        createSideMenu();
-        createBottomTabs();
-        addBottomTabs();
-        addScreenStacks();
-        createSnackbarContainer();
-        showInitialScreenStack();
-    }
-
-    private void createSideMenu() {
-        if (leftSideMenuParams == null && rightSideMenuParams == null) {
-            return;
-        }
-        sideMenu = new SideMenu(getContext(), leftSideMenuParams, rightSideMenuParams);
-        RelativeLayout.LayoutParams lp = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
-        addView(sideMenu, lp);
-    }
-
-    private void addScreenStacks() {
-        for (int i = screenStacks.length - 1; i >= 0; i--) {
-            createAndAddScreens(i);
-        }
-    }
-
-    private void createAndAddScreens(int position) {
-        ScreenParams screenParams = params.tabParams.get(position);
-        ScreenStack newStack = new ScreenStack(getActivity(), getScreenStackParent(), screenParams.getNavigatorId(), this);
-        newStack.pushInitialScreen(screenParams, createScreenLayoutParams(screenParams));
-        screenStacks[position] = newStack;
-    }
-
-    private RelativeLayout getScreenStackParent() {
-        return sideMenu == null ? this : sideMenu.getContentContainer();
-    }
-
-    @NonNull
-    private LayoutParams createScreenLayoutParams(ScreenParams params) {
-        LayoutParams lp = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
-        if (params.styleParams.drawScreenAboveBottomTabs) {
-            lp.addRule(RelativeLayout.ABOVE, bottomTabs.getId());
-        }
-        return lp;
-    }
-
-    private void createBottomTabs() {
-        bottomTabs = new BottomTabs(getContext());
-        bottomTabs.addTabs(params.tabParams, this);
-    }
-
-    private void addBottomTabs() {
-        LayoutParams lp = new LayoutParams(MATCH_PARENT, WRAP_CONTENT);
-        lp.addRule(ALIGN_PARENT_BOTTOM);
-        getScreenStackParent().addView(bottomTabs, lp);
-    }
-
-    private void createSnackbarContainer() {
-        snackbarAndFabContainer = new SnackbarAndFabContainer(getContext(), this);
-        RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(MATCH_PARENT, MATCH_PARENT);
-        alignSnackbarContainerWithBottomTabs(lp, getCurrentScreen().getStyleParams());
-        snackbarAndFabContainer.setClickable(false);
-        getScreenStackParent().addView(snackbarAndFabContainer, lp);
-    }
-
-    private void showInitialScreenStack() {
-        showStackAndUpdateStyle(screenStacks[0]);
-        EventBus.instance.post(new ScreenChangedEvent(screenStacks[0].peek().getScreenParams()));
-    }
-
-    @Override
-    public View asView() {
-        return this;
-    }
-
-    @Override
-    public boolean onBackPressed() {
-        if (getCurrentScreenStack().handleBackPressInJs()) {
-            return true;
-        }
-
-        if (getCurrentScreenStack().canPop()) {
-            getCurrentScreenStack().pop(true);
-            setBottomTabsStyleFromCurrentScreen();
-            EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    @Override
-    public void setTopBarVisible(String screenInstanceId, boolean hidden, boolean animated) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].setScreenTopBarVisible(screenInstanceId, hidden, animated);
-        }
-    }
-
-    public void setBottomTabsVisible(boolean hidden, boolean animated) {
-        bottomTabs.setVisibility(hidden, animated);
-    }
-
-    @Override
-    public void setTitleBarTitle(String screenInstanceId, String title) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].setScreenTitleBarTitle(screenInstanceId, title);
-        }
-    }
-
-    @Override
-    public void setTitleBarSubtitle(String screenInstanceId, String subtitle) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].setScreenTitleBarSubtitle(screenInstanceId, subtitle);
-        }
-    }
-
-    @Override
-    public void setTitleBarRightButtons(String screenInstanceId, String navigatorEventId, List<TitleBarButtonParams> titleBarButtons) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].setScreenTitleBarRightButtons(screenInstanceId, navigatorEventId, titleBarButtons);
-        }
-    }
-
-    @Override
-    public void setTitleBarLeftButton(String screenInstanceId, String navigatorEventId, TitleBarLeftButtonParams titleBarLeftButtonParams) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].setScreenTitleBarLeftButton(screenInstanceId, navigatorEventId, titleBarLeftButtonParams);
-        }
-    }
-
-    @Override
-    public void setFab(String screenInstanceId, String navigatorEventId, FabParams fabParams) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].setFab(screenInstanceId, fabParams);
-        }
-    }
-
-    @Override
-    public void updateScreenStyle(String screenInstanceId, Bundle styleParams) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].updateScreenStyle(screenInstanceId, styleParams);
-        }
-    }
-
-    @Override
-    public void selectTopTabByTabIndex(String screenInstanceId, int index) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].selectTopTabByTabIndex(screenInstanceId, index);
-        }
-    }
-
-    @Override
-    public void selectTopTabByScreen(String screenInstanceId) {
-        for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
-            screenStacks[i].selectTopTabByScreen(screenInstanceId);
-        }
-    }
-
-    @Override
-    public void toggleSideMenuVisible(boolean animated, Side side) {
-        if (sideMenu != null) {
-            sideMenu.toggleVisible(animated, side);
-        }
-    }
-
-    @Override
-    public void setSideMenuVisible(boolean animated, boolean visible, Side side) {
-        if (sideMenu != null) {
-            sideMenu.setVisible(visible, animated, side);
-        }
-    }
-
-    @Override
-    public void setSideMenuEnabled(boolean enabled, Side side) {
-        if (sideMenu != null) {
-            sideMenu.setDrawerLockMode(enabled ? DrawerLayout.LOCK_MODE_UNLOCKED : DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
-        }
-    }
-
-    @Override
-    public void showSnackbar(SnackbarParams params) {
-        final String eventId = getCurrentScreenStack().peek().getNavigatorEventId();
-        snackbarAndFabContainer.showSnackbar(eventId, params);
-    }
-
-    @Override
-    public void dismissSnackbar() {
-        snackbarAndFabContainer.dismissSnackbar();
-    }
-
-    @Override
-    public void showLightBox(LightBoxParams params) {
-        if (lightBox == null) {
-            lightBox = new LightBox(getActivity(), new Runnable() {
-                @Override
-                public void run() {
-                    lightBox = null;
-                }
-            }, params);
-            lightBox.show();
-        }
-    }
-
-    @Override
-    public void dismissLightBox() {
-        if (lightBox != null) {
-            lightBox.hide();
-            lightBox = null;
-        }
-    }
-
-    @Override
-    public void showSlidingOverlay(final SlidingOverlayParams params) {
-        slidingOverlaysQueue.add(new SlidingOverlay(this, params));
-    }
-
-    @Override
-    public void hideSlidingOverlay() {
-        slidingOverlaysQueue.remove();
-    }
-
-    @Override
-    public void onModalDismissed() {
-        EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
-    }
-
-    @Override
-    public boolean containsNavigator(String navigatorId) {
-        // Unused
-        return false;
-    }
-
-    @Override
-    public void showContextualMenu(String screenInstanceId, ContextualMenuParams params, Callback onButtonClicked) {
-        getCurrentScreenStack().peek().showContextualMenu(params, onButtonClicked);
-    }
-
-    @Override
-    public void dismissContextualMenu(String screenInstanceId) {
-        getCurrentScreenStack().peek().dismissContextualMenu();
-    }
-
-    @Override
-    public Screen getCurrentScreen() {
-        return getCurrentScreenStack().peek();
-    }
-
-    public void selectBottomTabByTabIndex(Integer index) {
-        bottomTabs.setCurrentItem(index);
-    }
-
-    public void selectBottomTabByNavigatorId(String navigatorId) {
-        bottomTabs.setCurrentItem(getScreenStackIndex(navigatorId));
-    }
-
-    private boolean hasBackgroundColor(StyleParams params) {
-        return params.screenBackgroundColor != null &&
-                params.screenBackgroundColor.hasColor();
-    }
-
-    private void setStyleFromScreen(StyleParams params) {
-        bottomTabs.setStyleFromScreen(params);
-        if (hasBackgroundColor(params)) {
-            asView().setBackgroundColor(params.screenBackgroundColor.getColor());
-        }
-    }
-
-    @Override
-    public void push(ScreenParams params) {
-        ScreenStack screenStack = getScreenStack(params.getNavigatorId());
-        screenStack.push(params, createScreenLayoutParams(params));
-        setStyleFromScreen(params.styleParams);
-        if (isCurrentStack(screenStack)) {
-            alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
-            EventBus.instance.post(new ScreenChangedEvent(params));
-        }
-    }
-
-    @Override
-    public void pop(final ScreenParams params) {
-        getCurrentScreenStack().pop(params.animateScreenTransitions, new ScreenStack.OnScreenPop() {
-            @Override
-            public void onScreenPopAnimationEnd() {
-                setBottomTabsStyleFromCurrentScreen();
-                alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
-                EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
-            }
-        });
-    }
-
-    @Override
-    public void popToRoot(final ScreenParams params) {
-        getCurrentScreenStack().popToRoot(params.animateScreenTransitions, new ScreenStack.OnScreenPop() {
-            @Override
-            public void onScreenPopAnimationEnd() {
-                setBottomTabsStyleFromCurrentScreen();
-                alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
-                EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
-            }
-        });
-    }
-
-    @Override
-    public void newStack(final ScreenParams params) {
-        ScreenStack screenStack = getScreenStack(params.getNavigatorId());
-        screenStack.newStack(params, createScreenLayoutParams(params));
-        if (isCurrentStack(screenStack)) {
-            setStyleFromScreen(params.styleParams);
-            alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
-            EventBus.instance.post(new ScreenChangedEvent(params));
-        }
-    }
-
-    private void alignSnackbarContainerWithBottomTabs(LayoutParams lp, StyleParams styleParams) {
-        if (styleParams.drawScreenAboveBottomTabs || !styleParams.bottomTabsHidden) {
-            lp.addRule(ABOVE, bottomTabs.getId());
-        } else {
-            ViewUtils.removeRuleCompat(lp, ABOVE);
-        }
-    }
-
-    @Override
-    public void destroy() {
-        snackbarAndFabContainer.destroy();
-        for (ScreenStack screenStack : screenStacks) {
-            screenStack.destroy();
-        }
-        if (sideMenu != null) {
-            sideMenu.destroy();
-        }
-        if (lightBox != null) {
-            lightBox.destroy();
-            lightBox = null;
-        }
-        slidingOverlaysQueue.destroy();
-    }
-
-    @Override
-    public boolean onTabSelected(int position, boolean wasSelected) {
-        if (wasSelected) {
-            sendTabReselectedEventToJs();
-            return false;
-        }
-
-        final int unselectedTabIndex = currentStackIndex;
-        hideCurrentStack();
-        showNewStack(position);
-        EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
-        sendTabSelectedEventToJs(position, unselectedTabIndex);
-        return true;
-    }
-
-    private void sendTabSelectedEventToJs(int selectedTabIndex, int unselectedTabIndex) {
-        String navigatorEventId = getCurrentScreenStack().peek().getNavigatorEventId();
-        WritableMap data = createTabSelectedEventData(selectedTabIndex, unselectedTabIndex);
-        NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("bottomTabSelected", navigatorEventId, data);
-
-        data = createTabSelectedEventData(selectedTabIndex, unselectedTabIndex);
-        NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("bottomTabSelected", data);
-    }
-
-    private WritableMap createTabSelectedEventData(int selectedTabIndex, int unselectedTabIndex) {
-        WritableMap data = Arguments.createMap();
-        data.putInt("selectedTabIndex", selectedTabIndex);
-        data.putInt("unselectedTabIndex", unselectedTabIndex);
-        return data;
-    }
-
-    private void sendTabReselectedEventToJs() {
-        WritableMap data = Arguments.createMap();
-        String navigatorEventId = getCurrentScreenStack().peek().getNavigatorEventId();
-        NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("bottomTabReselected", navigatorEventId, data);
-    }
-
-    private void showNewStack(int position) {
-        showStackAndUpdateStyle(screenStacks[position]);
-        currentStackIndex = position;
-    }
-
-    private void showStackAndUpdateStyle(ScreenStack newStack) {
-        newStack.show();
-        setStyleFromScreen(newStack.getCurrentScreenStyleParams());
-    }
-
-    private void hideCurrentStack() {
-        ScreenStack currentScreenStack = getCurrentScreenStack();
-        currentScreenStack.hide();
-    }
-
-    private ScreenStack getCurrentScreenStack() {
-        return screenStacks[currentStackIndex];
-    }
-
-    private @NonNull ScreenStack getScreenStack(String navigatorId) {
-        int index = getScreenStackIndex(navigatorId);
-        return screenStacks[index];
-    }
-
-    public void setBottomTabBadgeByIndex(Integer index, String badge) {
-        bottomTabs.setNotification(badge, index);
-    }
-
-    public void setBottomTabBadgeByNavigatorId(String navigatorId, String badge) {
-        bottomTabs.setNotification(badge, getScreenStackIndex(navigatorId));
-    }
-
-    public void setBottomTabButtonByIndex(Integer index, ScreenParams params) {
-        bottomTabs.setTabButton(params, index);
-    }
-
-    public void setBottomTabButtonByNavigatorId(String navigatorId, ScreenParams params) {
-        bottomTabs.setTabButton(params, getScreenStackIndex(navigatorId));
-    }
-
-    private int getScreenStackIndex(String navigatorId) throws ScreenStackNotFoundException {
-        for (int i = 0; i < screenStacks.length; i++) {
-            if (screenStacks[i].getNavigatorId().equals(navigatorId)) {
-                return i;
-            }
-        }
-        throw new ScreenStackNotFoundException("Stack " + navigatorId + " not found");
-    }
-
-    private class ScreenStackNotFoundException extends RuntimeException {
-        ScreenStackNotFoundException(String navigatorId) {
-            super(navigatorId);
-        }
-    }
-
-    private boolean isCurrentStack(ScreenStack screenStack) {
-        return getCurrentScreenStack() == screenStack;
-    }
-
-    private void setBottomTabsStyleFromCurrentScreen() {
-        setStyleFromScreen(getCurrentScreenStack().getCurrentScreenStyleParams());
-    }
-
-    @Override
-    public boolean onTitleBarBackButtonClick() {
-        if (getCurrentScreenStack().canPop()) {
-            getCurrentScreenStack().pop(true, new ScreenStack.OnScreenPop() {
-                @Override
-                public void onScreenPopAnimationEnd() {
-                    setBottomTabsStyleFromCurrentScreen();
-                    EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
-                }
-            });
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public void onSideMenuButtonClick() {
-        final String navigatorEventId = getCurrentScreenStack().peek().getNavigatorEventId();
-        NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("sideMenu", navigatorEventId);
-        if (sideMenu != null) {
-            sideMenu.openDrawer(Side.Left);
-        }
-    }
+	private ActivityParams params;
+	private SnackbarAndFabContainer snackbarAndFabContainer;
+	private BottomTabs bottomTabs;
+	private ScreenStack[] screenStacks;
+	private final SideMenuParams leftSideMenuParams;
+	private final SideMenuParams rightSideMenuParams;
+	private final SlidingOverlaysQueue slidingOverlaysQueue = new SlidingOverlaysQueue();
+	private
+	@Nullable
+	SideMenu sideMenu;
+	private int currentStackIndex = 0;
+	private LightBox lightBox;
+
+	public BottomTabsLayout(AppCompatActivity activity, ActivityParams params) {
+		super(activity);
+		this.params = params;
+		leftSideMenuParams = params.leftSideMenuParams;
+		rightSideMenuParams = params.rightSideMenuParams;
+		screenStacks = new ScreenStack[params.tabParams.size()];
+		createLayout();
+	}
+
+	private void createLayout() {
+		createSideMenu();
+		createBottomTabs();
+		addBottomTabs();
+		addScreenStacks();
+		createSnackbarContainer();
+		showInitialScreenStack();
+	}
+
+	private void createSideMenu() {
+		if (leftSideMenuParams == null && rightSideMenuParams == null) {
+			return;
+		}
+		sideMenu = new SideMenu(getContext(), leftSideMenuParams, rightSideMenuParams);
+		RelativeLayout.LayoutParams lp = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
+		addView(sideMenu, lp);
+	}
+
+	private void addScreenStacks() {
+		for (int i = screenStacks.length - 1; i >= 0; i--) {
+			createAndAddScreens(i);
+		}
+	}
+
+	private void createAndAddScreens(int position) {
+		ScreenParams screenParams = params.tabParams.get(position);
+		ScreenStack newStack = new ScreenStack(getActivity(), getScreenStackParent(), screenParams.getNavigatorId(), this);
+		newStack.pushInitialScreen(screenParams, createScreenLayoutParams(screenParams));
+		screenStacks[position] = newStack;
+	}
+
+	private RelativeLayout getScreenStackParent() {
+		return sideMenu == null ? this : sideMenu.getContentContainer();
+	}
+
+	@NonNull
+	private LayoutParams createScreenLayoutParams(ScreenParams params) {
+		LayoutParams lp = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
+		if (params.styleParams.drawScreenAboveBottomTabs) {
+			lp.addRule(RelativeLayout.ABOVE, bottomTabs.getId());
+		}
+		return lp;
+	}
+
+	private void createBottomTabs() {
+		bottomTabs = new BottomTabs(getContext());
+		bottomTabs.addTabs(params.tabParams, this);
+	}
+
+	private void addBottomTabs() {
+		LayoutParams lp = new LayoutParams(MATCH_PARENT, WRAP_CONTENT);
+		lp.addRule(ALIGN_PARENT_BOTTOM);
+		getScreenStackParent().addView(bottomTabs, lp);
+	}
+
+	private void createSnackbarContainer() {
+		snackbarAndFabContainer = new SnackbarAndFabContainer(getContext(), this);
+		RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(MATCH_PARENT, MATCH_PARENT);
+		alignSnackbarContainerWithBottomTabs(lp, getCurrentScreen().getStyleParams());
+		snackbarAndFabContainer.setClickable(false);
+		getScreenStackParent().addView(snackbarAndFabContainer, lp);
+	}
+
+	private void showInitialScreenStack() {
+		showStackAndUpdateStyle(screenStacks[0]);
+		EventBus.instance.post(new ScreenChangedEvent(screenStacks[0].peek().getScreenParams()));
+	}
+
+	@Override
+	public View asView() {
+		return this;
+	}
+
+	@Override
+	public boolean onBackPressed() {
+		if (getCurrentScreenStack().handleBackPressInJs()) {
+			return true;
+		}
+
+		if (getCurrentScreenStack().canPop()) {
+			getCurrentScreenStack().pop(true);
+			setBottomTabsStyleFromCurrentScreen();
+			EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	@Override
+	public void setTopBarVisible(String screenInstanceId, boolean hidden, boolean animated) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].setScreenTopBarVisible(screenInstanceId, hidden, animated);
+		}
+	}
+
+	public void setBottomTabsVisible(boolean hidden, boolean animated) {
+		bottomTabs.setVisibility(hidden, animated);
+	}
+
+	@Override
+	public void setTitleBarTitle(String screenInstanceId, String title) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].setScreenTitleBarTitle(screenInstanceId, title);
+		}
+	}
+
+	@Override
+	public void setTitleBarSubtitle(String screenInstanceId, String subtitle) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].setScreenTitleBarSubtitle(screenInstanceId, subtitle);
+		}
+	}
+
+	@Override
+	public void setTitleBarRightButtons(String screenInstanceId, String navigatorEventId, List<TitleBarButtonParams> titleBarButtons) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].setScreenTitleBarRightButtons(screenInstanceId, navigatorEventId, titleBarButtons);
+		}
+	}
+
+	@Override
+	public void setTitleBarLeftButton(String screenInstanceId, String navigatorEventId, TitleBarLeftButtonParams titleBarLeftButtonParams) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].setScreenTitleBarLeftButton(screenInstanceId, navigatorEventId, titleBarLeftButtonParams);
+		}
+	}
+
+	@Override
+	public void setFab(String screenInstanceId, String navigatorEventId, FabParams fabParams) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].setFab(screenInstanceId, fabParams);
+		}
+	}
+
+	@Override
+	public void updateScreenStyle(String screenInstanceId, Bundle styleParams) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].updateScreenStyle(screenInstanceId, styleParams);
+		}
+	}
+
+	@Override
+	public void selectTopTabByTabIndex(String screenInstanceId, int index) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].selectTopTabByTabIndex(screenInstanceId, index);
+		}
+	}
+
+	@Override
+	public void selectTopTabByScreen(String screenInstanceId) {
+		for (int i = 0; i < bottomTabs.getItemsCount(); i++) {
+			screenStacks[i].selectTopTabByScreen(screenInstanceId);
+		}
+	}
+
+	@Override
+	public void toggleSideMenuVisible(boolean animated, Side side) {
+		if (sideMenu != null) {
+			sideMenu.toggleVisible(animated, side);
+		}
+	}
+
+	@Override
+	public void setSideMenuVisible(boolean animated, boolean visible, Side side) {
+		if (sideMenu != null) {
+			sideMenu.setVisible(visible, animated, side);
+		}
+	}
+
+	@Override
+	public void setSideMenuEnabled(boolean enabled, Side side) {
+		if (sideMenu != null) {
+			sideMenu.setDrawerLockMode(enabled ? DrawerLayout.LOCK_MODE_UNLOCKED : DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
+		}
+	}
+
+	@Override
+	public void showSnackbar(SnackbarParams params) {
+		final String eventId = getCurrentScreenStack().peek().getNavigatorEventId();
+		snackbarAndFabContainer.showSnackbar(eventId, params);
+	}
+
+	@Override
+	public void dismissSnackbar() {
+		snackbarAndFabContainer.dismissSnackbar();
+	}
+
+	@Override
+	public void showLightBox(LightBoxParams params) {
+		if (lightBox == null) {
+			lightBox = new LightBox(getActivity(), new Runnable() {
+				@Override
+				public void run() {
+					lightBox = null;
+				}
+			}, params);
+			lightBox.show();
+		}
+	}
+
+	@Override
+	public void dismissLightBox() {
+		if (lightBox != null) {
+			lightBox.hide();
+			lightBox = null;
+		}
+	}
+
+	@Override
+	public void showSlidingOverlay(final SlidingOverlayParams params) {
+		slidingOverlaysQueue.add(new SlidingOverlay(this, params));
+	}
+
+	@Override
+	public void hideSlidingOverlay() {
+		slidingOverlaysQueue.remove();
+	}
+
+	@Override
+	public void onModalDismissed() {
+		EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
+	}
+
+	@Override
+	public boolean containsNavigator(String navigatorId) {
+		// Unused
+		return false;
+	}
+
+	@Override
+	public void showContextualMenu(String screenInstanceId, ContextualMenuParams params, Callback onButtonClicked) {
+		getCurrentScreenStack().peek().showContextualMenu(params, onButtonClicked);
+	}
+
+	@Override
+	public void dismissContextualMenu(String screenInstanceId) {
+		getCurrentScreenStack().peek().dismissContextualMenu();
+	}
+
+	@Override
+	public Screen getCurrentScreen() {
+		return getCurrentScreenStack().peek();
+	}
+
+	public void selectBottomTabByTabIndex(Integer index) {
+		bottomTabs.setCurrentItem(index);
+	}
+
+	public void selectBottomTabByNavigatorId(String navigatorId) {
+		bottomTabs.setCurrentItem(getScreenStackIndex(navigatorId));
+	}
+
+	private boolean hasBackgroundColor(StyleParams params) {
+		return params.screenBackgroundColor != null &&
+				params.screenBackgroundColor.hasColor();
+	}
+
+	private void setStyleFromScreen(StyleParams params) {
+		bottomTabs.setStyleFromScreen(params);
+		if (snackbarAndFabContainer != null && snackbarAndFabContainer.getLayoutParams() instanceof RelativeLayout.LayoutParams)
+			alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params);
+		if (hasBackgroundColor(params)) {
+			asView().setBackgroundColor(params.screenBackgroundColor.getColor());
+		}
+	}
+
+	@Override
+	public void push(ScreenParams params) {
+		ScreenStack screenStack = getScreenStack(params.getNavigatorId());
+		screenStack.push(params, createScreenLayoutParams(params));
+		setStyleFromScreen(params.styleParams);
+		if (isCurrentStack(screenStack)) {
+			alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
+			EventBus.instance.post(new ScreenChangedEvent(params));
+		}
+	}
+
+	@Override
+	public void pop(final ScreenParams params) {
+		getCurrentScreenStack().pop(params.animateScreenTransitions, new ScreenStack.OnScreenPop() {
+			@Override
+			public void onScreenPopAnimationEnd() {
+				setBottomTabsStyleFromCurrentScreen();
+				alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
+				EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
+			}
+		});
+	}
+
+	@Override
+	public void popToRoot(final ScreenParams params) {
+		getCurrentScreenStack().popToRoot(params.animateScreenTransitions, new ScreenStack.OnScreenPop() {
+			@Override
+			public void onScreenPopAnimationEnd() {
+				setBottomTabsStyleFromCurrentScreen();
+				alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
+				EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
+			}
+		});
+	}
+
+	@Override
+	public void newStack(final ScreenParams params) {
+		ScreenStack screenStack = getScreenStack(params.getNavigatorId());
+		screenStack.newStack(params, createScreenLayoutParams(params));
+		if (isCurrentStack(screenStack)) {
+			setStyleFromScreen(params.styleParams);
+			alignSnackbarContainerWithBottomTabs((LayoutParams) snackbarAndFabContainer.getLayoutParams(), params.styleParams);
+			EventBus.instance.post(new ScreenChangedEvent(params));
+		}
+	}
+
+	private void alignSnackbarContainerWithBottomTabs(LayoutParams lp, StyleParams styleParams) {
+		if (styleParams.drawScreenAboveBottomTabs || !styleParams.bottomTabsHidden) {
+			lp.addRule(ABOVE, bottomTabs.getId());
+		} else {
+			ViewUtils.removeRuleCompat(lp, ABOVE);
+		}
+	}
+
+	@Override
+	public void destroy() {
+		snackbarAndFabContainer.destroy();
+		for (ScreenStack screenStack : screenStacks) {
+			screenStack.destroy();
+		}
+		if (sideMenu != null) {
+			sideMenu.destroy();
+		}
+		if (lightBox != null) {
+			lightBox.destroy();
+			lightBox = null;
+		}
+		slidingOverlaysQueue.destroy();
+	}
+
+	@Override
+	public boolean onTabSelected(int position, boolean wasSelected) {
+		if (wasSelected) {
+			sendTabReselectedEventToJs();
+			return false;
+		}
+
+		final int unselectedTabIndex = currentStackIndex;
+		hideCurrentStack();
+		showNewStack(position);
+		EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
+		sendTabSelectedEventToJs(position, unselectedTabIndex);
+		return true;
+	}
+
+	private void sendTabSelectedEventToJs(int selectedTabIndex, int unselectedTabIndex) {
+		String navigatorEventId = getCurrentScreenStack().peek().getNavigatorEventId();
+		WritableMap data = createTabSelectedEventData(selectedTabIndex, unselectedTabIndex);
+		NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("bottomTabSelected", navigatorEventId, data);
+
+		data = createTabSelectedEventData(selectedTabIndex, unselectedTabIndex);
+		NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("bottomTabSelected", data);
+	}
+
+	private WritableMap createTabSelectedEventData(int selectedTabIndex, int unselectedTabIndex) {
+		WritableMap data = Arguments.createMap();
+		data.putInt("selectedTabIndex", selectedTabIndex);
+		data.putInt("unselectedTabIndex", unselectedTabIndex);
+		return data;
+	}
+
+	private void sendTabReselectedEventToJs() {
+		WritableMap data = Arguments.createMap();
+		String navigatorEventId = getCurrentScreenStack().peek().getNavigatorEventId();
+		NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("bottomTabReselected", navigatorEventId, data);
+	}
+
+	private void showNewStack(int position) {
+		showStackAndUpdateStyle(screenStacks[position]);
+		currentStackIndex = position;
+	}
+
+	private void showStackAndUpdateStyle(ScreenStack newStack) {
+		newStack.show();
+		setStyleFromScreen(newStack.getCurrentScreenStyleParams());
+	}
+
+	private void hideCurrentStack() {
+		ScreenStack currentScreenStack = getCurrentScreenStack();
+		currentScreenStack.hide();
+	}
+
+	private ScreenStack getCurrentScreenStack() {
+		return screenStacks[currentStackIndex];
+	}
+
+	private
+	@NonNull
+	ScreenStack getScreenStack(String navigatorId) {
+		int index = getScreenStackIndex(navigatorId);
+		return screenStacks[index];
+	}
+
+	public void setBottomTabBadgeByIndex(Integer index, String badge) {
+		bottomTabs.setNotification(badge, index);
+	}
+
+	public void setBottomTabBadgeByNavigatorId(String navigatorId, String badge) {
+		bottomTabs.setNotification(badge, getScreenStackIndex(navigatorId));
+	}
+
+	public void setBottomTabButtonByIndex(Integer index, ScreenParams params) {
+		bottomTabs.setTabButton(params, index);
+	}
+
+	public void setBottomTabButtonByNavigatorId(String navigatorId, ScreenParams params) {
+		bottomTabs.setTabButton(params, getScreenStackIndex(navigatorId));
+	}
+
+	private int getScreenStackIndex(String navigatorId) throws ScreenStackNotFoundException {
+		for (int i = 0; i < screenStacks.length; i++) {
+			if (screenStacks[i].getNavigatorId().equals(navigatorId)) {
+				return i;
+			}
+		}
+		throw new ScreenStackNotFoundException("Stack " + navigatorId + " not found");
+	}
+
+	private class ScreenStackNotFoundException extends RuntimeException {
+		ScreenStackNotFoundException(String navigatorId) {
+			super(navigatorId);
+		}
+	}
+
+	private boolean isCurrentStack(ScreenStack screenStack) {
+		return getCurrentScreenStack() == screenStack;
+	}
+
+	private void setBottomTabsStyleFromCurrentScreen() {
+		setStyleFromScreen(getCurrentScreenStack().getCurrentScreenStyleParams());
+	}
+
+	@Override
+	public boolean onTitleBarBackButtonClick() {
+		if (getCurrentScreenStack().canPop()) {
+			getCurrentScreenStack().pop(true, new ScreenStack.OnScreenPop() {
+				@Override
+				public void onScreenPopAnimationEnd() {
+					setBottomTabsStyleFromCurrentScreen();
+					EventBus.instance.post(new ScreenChangedEvent(getCurrentScreenStack().peek().getScreenParams()));
+				}
+			});
+			return true;
+		}
+		return false;
+	}
+
+	@Override
+	public void onSideMenuButtonClick() {
+		final String navigatorEventId = getCurrentScreenStack().peek().getNavigatorEventId();
+		NavigationApplication.instance.getEventEmitter().sendNavigatorEvent("sideMenu", navigatorEventId);
+		if (sideMenu != null) {
+			sideMenu.openDrawer(Side.Left);
+		}
+	}
 }

example/package.json

@@ -14,7 +14,7 @@
     "react": "16.0.0-alpha.12",
     "react-native": "0.45.1",
     "react-native-animatable": "^1.1.0",
-    "react-native-navigation": "latest"
+    "react-native-navigation": "../"
   },
   "devDependencies": {
     "detox": "^5.0.0",

example/src/screens/Actions.js

@@ -1,5 +1,5 @@
 import React from 'react';
-import {StyleSheet, ScrollView} from 'react-native';
+import { StyleSheet, ScrollView } from 'react-native';
 import Row from '../components/Row';
 
 class Actions extends React.Component {
@@ -141,15 +141,16 @@ class Actions extends React.Component {
   render() {
     return (
       <ScrollView style={styles.container}>
-        <Row title={'Set Title'} onPress={this.setTitle}/>
-        <Row title={'Toggle Tabs'} onPress={this.toggleTabs}/>
-        <Row title={'Set Tab Badge'} onPress={this.setTabBadge}/>
-        <Row title={'Switch To Tab 0'} onPress={this.switchToTab}/>
-        <Row title={'Toggle Nav Bar'} onPress={this.toggleNavBar}/>
-        <Row title={'Show Snackbar'} onPress={this.showSnackbar} platform={'android'}/>
-        <Row title={'Toggle Contextual Menu'} onPress={this.toggleContextualMenu} platform={'android'}/>
-        <Row title={'Set Right Buttons'} onPress={this.setButtons}/>
-        <Row title={'Toggle FAB'} onPress={this.toggleFAB} platform={'android'}/>
+        <Row title={'Push'} onPress={() => this.props.navigator.push({ screen: 'example.Types.Push', title: 'New Screen', navigatorStyle: { tabBarHidden: true } })} />
+        <Row title={'Set Title'} onPress={this.setTitle} />
+        <Row title={'Toggle Tabs'} onPress={this.toggleTabs} />
+        <Row title={'Set Tab Badge'} onPress={this.setTabBadge} />
+        <Row title={'Switch To Tab 0'} onPress={this.switchToTab} />
+        <Row title={'Toggle Nav Bar'} onPress={this.toggleNavBar} />
+        <Row title={'Show Snackbar'} onPress={this.showSnackbar} platform={'android'} />
+        <Row title={'Toggle Contextual Menu'} onPress={this.toggleContextualMenu} platform={'android'} />
+        <Row title={'Set Right Buttons'} onPress={this.setButtons} />
+        <Row title={'Toggle FAB'} onPress={this.toggleFAB} platform={'android'} />
       </ScrollView>
     );
   }