Merge branch 'snackbar'

android/app/src/main/java/com/reactnativenavigation/bridge/NavigationReactModule.java

@@ -6,8 +6,10 @@ import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.ReadableArray;
 import com.facebook.react.bridge.ReadableMap;
 import com.reactnativenavigation.controllers.NavigationCommandsHandler;
+import com.reactnativenavigation.params.SnackbarParams;
 import com.reactnativenavigation.params.TitleBarButtonParams;
 import com.reactnativenavigation.params.TitleBarLeftButtonParams;
+import com.reactnativenavigation.params.parsers.SnackbarParamsParser;
 import com.reactnativenavigation.params.parsers.TitleBarButtonParamsParser;
 import com.reactnativenavigation.params.parsers.TitleBarLeftButtonParamsParser;
 
@@ -153,4 +155,10 @@ public class NavigationReactModule extends ReactContextBaseJavaModule {
     public void dismissTopModal() {
         NavigationCommandsHandler.dismissTopModal();
     }
+
+    @ReactMethod
+    public void showSnackbar(final ReadableMap params) {
+        SnackbarParams snackbarParams = new SnackbarParamsParser().parse(BundleConverter.toBundle(params));
+        NavigationCommandsHandler.showSnackbar(snackbarParams);
+    }
 }

android/app/src/main/java/com/reactnativenavigation/controllers/NavigationActivity.java

@@ -12,6 +12,7 @@ import com.reactnativenavigation.layouts.Layout;
 import com.reactnativenavigation.layouts.LayoutFactory;
 import com.reactnativenavigation.params.ActivityParams;
 import com.reactnativenavigation.params.ScreenParams;
+import com.reactnativenavigation.params.SnackbarParams;
 import com.reactnativenavigation.params.TitleBarButtonParams;
 import com.reactnativenavigation.params.TitleBarLeftButtonParams;
 import com.reactnativenavigation.react.JsDevReloadHandler;
@@ -239,4 +240,8 @@ public class NavigationActivity extends AppCompatActivity implements DefaultHard
             ((BottomTabsLayout) layout).setBottomTabBadgeByNavigatorId(navigatorId, badge);
         }
     }
+
+    public void showSnackbar(SnackbarParams params) {
+        layout.showSnackbar(params);
+    }
 }

android/app/src/main/java/com/reactnativenavigation/controllers/NavigationCommandsHandler.java

@@ -6,6 +6,7 @@ import android.os.Bundle;
 import com.reactnativenavigation.NavigationApplication;
 import com.reactnativenavigation.params.ActivityParams;
 import com.reactnativenavigation.params.ScreenParams;
+import com.reactnativenavigation.params.SnackbarParams;
 import com.reactnativenavigation.params.TitleBarButtonParams;
 import com.reactnativenavigation.params.TitleBarLeftButtonParams;
 import com.reactnativenavigation.params.parsers.ActivityParamsParser;
@@ -294,4 +295,18 @@ public class NavigationCommandsHandler {
             }
         });
     }
+
+    public static void showSnackbar(final SnackbarParams params) {
+        final NavigationActivity currentActivity = NavigationActivity.currentActivity;
+        if (currentActivity == null) {
+            return;
+        }
+
+        NavigationApplication.instance.runOnMainThread(new Runnable() {
+            @Override
+            public void run() {
+                currentActivity.showSnackbar(params);
+            }
+        });
+    }
 }

android/app/src/main/java/com/reactnativenavigation/events/LocalBroadcastEvent.java

@@ -0,0 +1,16 @@
+package com.reactnativenavigation.events;
+
+import android.content.Intent;
+import android.support.v4.content.LocalBroadcastManager;
+
+import com.reactnativenavigation.NavigationApplication;
+
+public abstract class LocalBroadcastEvent {
+
+    public abstract Intent getIntent();
+
+    public void send() {
+        LocalBroadcastManager.getInstance(NavigationApplication.instance).sendBroadcast(getIntent());
+    }
+
+}

android/app/src/main/java/com/reactnativenavigation/events/ScreenChangeBroadcast.java

@@ -0,0 +1,12 @@
+package com.reactnativenavigation.events;
+
+import android.content.Intent;
+
+public class ScreenChangeBroadcast extends LocalBroadcastEvent {
+    public static final String ACTION = "screenChange";
+
+    @Override
+    public Intent getIntent() {
+        return new Intent(ACTION);
+    }
+}

android/app/src/main/java/com/reactnativenavigation/events/ScreenChangeBroadcastReceiver.java

@@ -0,0 +1,40 @@
+package com.reactnativenavigation.events;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.support.v4.content.LocalBroadcastManager;
+
+import com.reactnativenavigation.NavigationApplication;
+
+public class ScreenChangeBroadcastReceiver extends BroadcastReceiver {
+    private OnScreenChangeListener onTabSelectedListener;
+
+    public interface OnScreenChangeListener {
+        void onScreenChangeListener();
+    }
+
+    public ScreenChangeBroadcastReceiver(OnScreenChangeListener onTabSelectedListener) {
+        this.onTabSelectedListener = onTabSelectedListener;
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        onTabSelectedListener.onScreenChangeListener();
+    }
+
+    public void register() {
+        IntentFilter intentFilter = new IntentFilter();
+        intentFilter.addAction(ScreenChangeBroadcast.ACTION);
+        getBroadcastManager().registerReceiver(this, intentFilter);
+    }
+
+    public void unregister() {
+        getBroadcastManager().unregisterReceiver(this);
+    }
+
+    private LocalBroadcastManager getBroadcastManager() {
+        return LocalBroadcastManager.getInstance(NavigationApplication.instance);
+    }
+}

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

@@ -10,11 +10,13 @@ import com.aurelhubert.ahbottomnavigation.AHBottomNavigation;
 import com.reactnativenavigation.params.ActivityParams;
 import com.reactnativenavigation.params.ScreenParams;
 import com.reactnativenavigation.params.SideMenuParams;
+import com.reactnativenavigation.params.SnackbarParams;
 import com.reactnativenavigation.params.TitleBarButtonParams;
 import com.reactnativenavigation.params.TitleBarLeftButtonParams;
 import com.reactnativenavigation.screens.ScreenStack;
 import com.reactnativenavigation.views.BottomTabs;
 import com.reactnativenavigation.views.SideMenu;
+import com.reactnativenavigation.views.SnackbarContainer;
 
 import java.util.List;
 
@@ -25,6 +27,7 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
 
     private final AppCompatActivity activity;
     private ActivityParams params;
+    private SnackbarContainer snackbarContainer;
     private BottomTabs bottomTabs;
     private ScreenStack[] screenStacks;
     private final SideMenuParams sideMenuParams;
@@ -45,6 +48,7 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
         createBottomTabs();
         addBottomTabs();
         addScreenStacks();
+        createSnackbarContainer();
         showInitialScreenStack();
     }
 
@@ -94,6 +98,14 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
         getScreenStackParent().addView(bottomTabs, lp);
     }
 
+    private void createSnackbarContainer() {
+        snackbarContainer = new SnackbarContainer(getContext());
+        RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(MATCH_PARENT, WRAP_CONTENT);
+        lp.addRule(ABOVE, bottomTabs.getId());
+        snackbarContainer.setLayoutParams(lp);
+        getScreenStackParent().addView(snackbarContainer);
+    }
+
     private void showInitialScreenStack() {
         showStackAndUpdateStyle(screenStacks[0]);
     }
@@ -164,6 +176,12 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
         }
     }
 
+    @Override
+    public void showSnackbar(SnackbarParams params) {
+        final String eventId = getCurrentScreenStack().peek().getNavigatorEventId();
+        snackbarContainer.showSnackbar(eventId, params);
+    }
+
     public void selectBottomTabByTabIndex(Integer index) {
         bottomTabs.setCurrentItem(index);
     }
@@ -179,6 +197,7 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
         if (isCurrentStack(screenStack)) {
             bottomTabs.setStyleFromScreen(screenParams.styleParams);
         }
+        snackbarContainer.onScreenChange();
     }
 
     @Override
@@ -189,12 +208,14 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
                 setBottomTabsStyleFromCurrentScreen();
             }
         });
+        snackbarContainer.onScreenChange();
     }
 
     @Override
     public void popToRoot(ScreenParams params) {
         getCurrentScreenStack().popToRoot(params.animateScreenTransitions);
         setBottomTabsStyleFromCurrentScreen();
+        snackbarContainer.onScreenChange();
     }
 
     @Override
@@ -209,14 +230,15 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
         screenStacks[currentStackIndex] = newStack;
 
         bottomTabs.setStyleFromScreen(params.styleParams);
+        snackbarContainer.onScreenChange();
     }
 
     @Override
     public void destroy() {
+        snackbarContainer.destroy();
         for (ScreenStack screenStack : screenStacks) {
             screenStack.destroy();
         }
-
         if (sideMenu != null) {
             sideMenu.destroy();
         }
@@ -225,12 +247,14 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
     @Override
     public boolean onTabSelected(int position, boolean wasSelected) {
         hideCurrentStack();
+        showNewStack(position);
+        snackbarContainer.onScreenChange();
+        return true;
+    }
 
-        ScreenStack newStack = screenStacks[position];
-        showStackAndUpdateStyle(newStack);
+    private void showNewStack(int position) {
+        showStackAndUpdateStyle(screenStacks[position]);
         currentStackIndex = position;
-
-        return true;
     }
 
     private void showStackAndUpdateStyle(ScreenStack newStack) {

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

@@ -2,6 +2,7 @@ package com.reactnativenavigation.layouts;
 
 import android.view.View;
 
+import com.reactnativenavigation.params.SnackbarParams;
 import com.reactnativenavigation.params.TitleBarButtonParams;
 import com.reactnativenavigation.params.TitleBarLeftButtonParams;
 
@@ -23,4 +24,6 @@ public interface Layout extends ScreenStackContainer {
     void toggleSideMenuVisible(boolean animated);
 
     void setSideMenuVisible(boolean animated, boolean visible);
+
+    void showSnackbar(SnackbarParams params);
 }

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

@@ -7,15 +7,18 @@ import android.widget.RelativeLayout;
 
 import com.reactnativenavigation.params.ScreenParams;
 import com.reactnativenavigation.params.SideMenuParams;
+import com.reactnativenavigation.params.SnackbarParams;
 import com.reactnativenavigation.params.TitleBarButtonParams;
 import com.reactnativenavigation.params.TitleBarLeftButtonParams;
 import com.reactnativenavigation.screens.ScreenStack;
 import com.reactnativenavigation.views.LeftButtonOnClickListener;
 import com.reactnativenavigation.views.SideMenu;
+import com.reactnativenavigation.views.SnackbarContainer;
 
 import java.util.List;
 
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 
 public class SingleScreenLayout extends RelativeLayout implements Layout {
 
@@ -23,6 +26,7 @@ public class SingleScreenLayout extends RelativeLayout implements Layout {
     protected final ScreenParams screenParams;
     private final SideMenuParams sideMenuParams;
     protected ScreenStack stack;
+    private SnackbarContainer snackbarContainer;
     protected LeftButtonOnClickListener leftButtonOnClickListener;
     private @Nullable SideMenu sideMenu;
 
@@ -36,11 +40,16 @@ public class SingleScreenLayout extends RelativeLayout implements Layout {
 
     private void createLayout() {
         if (sideMenuParams == null) {
-            createStack(this);
+            createStack(getScreenStackParent());
         } else {
             sideMenu = createSideMenu();
-            createStack(sideMenu.getContentContainer());
+            createStack(getScreenStackParent());
         }
+        createSnackbarContainer();
+    }
+
+    private RelativeLayout getScreenStackParent() {
+        return sideMenu == null ? this : sideMenu.getContentContainer();
     }
 
     private SideMenu createSideMenu() {
@@ -64,6 +73,14 @@ public class SingleScreenLayout extends RelativeLayout implements Layout {
         stack.show();
     }
 
+    private void createSnackbarContainer() {
+        snackbarContainer = new SnackbarContainer(getContext());
+        RelativeLayout.LayoutParams lp = new LayoutParams(MATCH_PARENT, WRAP_CONTENT);
+        lp.addRule(ALIGN_PARENT_BOTTOM);
+        snackbarContainer.setLayoutParams(lp);
+        getScreenStackParent().addView(snackbarContainer);
+    }
+
     @Override
     public boolean onBackPressed() {
         if (stack.handleBackPressInJs()) {
@@ -81,6 +98,7 @@ public class SingleScreenLayout extends RelativeLayout implements Layout {
     @Override
     public void destroy() {
         stack.destroy();
+        snackbarContainer.destroy();
         if (sideMenu != null) {
             sideMenu.destroy();
         }
@@ -90,22 +108,26 @@ public class SingleScreenLayout extends RelativeLayout implements Layout {
     public void push(ScreenParams params) {
         LayoutParams lp = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
         stack.push(params, lp);
+        snackbarContainer.onScreenChange();
     }
 
     @Override
     public void pop(ScreenParams params) {
         stack.pop(params.animateScreenTransitions);
+        snackbarContainer.onScreenChange();
     }
 
     @Override
     public void popToRoot(ScreenParams params) {
         stack.popToRoot(params.animateScreenTransitions);
+        snackbarContainer.onScreenChange();
     }
 
     @Override
     public void newStack(ScreenParams params) {
         RelativeLayout parent = sideMenu == null ? this : sideMenu.getContentContainer();
         createStack(parent);
+        snackbarContainer.onScreenChange();
     }
 
     @Override
@@ -148,6 +170,12 @@ public class SingleScreenLayout extends RelativeLayout implements Layout {
         }
     }
 
+    @Override
+    public void showSnackbar(SnackbarParams params) {
+        final String navigatorEventId = stack.peek().getNavigatorEventId();
+        snackbarContainer.showSnackbar(navigatorEventId, params);
+    }
+
     @Override
     public boolean onTitleBarBackButtonClick() {
         if (leftButtonOnClickListener != null) {

android/app/src/main/java/com/reactnativenavigation/params/SnackbarParams.java

@@ -0,0 +1,9 @@
+package com.reactnativenavigation.params;
+
+public class SnackbarParams {
+    public String text;
+    public String buttonText;
+    public StyleParams.Color buttonColor;
+    public String eventId;
+    public int duration;
+}

android/app/src/main/java/com/reactnativenavigation/params/StyleParams.java

@@ -55,6 +55,9 @@ public class StyleParams {
 
     public boolean drawScreenAboveBottomTabs;
 
+    public Color snackbarTextColor;
+    public Color snackbarButtonColor;
+
     public boolean bottomTabsHidden;
     public boolean bottomTabsHiddenOnScroll;
     public Color bottomTabsColor;

android/app/src/main/java/com/reactnativenavigation/params/parsers/Parser.java

@@ -2,6 +2,8 @@ package com.reactnativenavigation.params.parsers;
 
 import android.os.Bundle;
 
+import com.reactnativenavigation.params.StyleParams;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -11,7 +13,6 @@ public class Parser {
         return bundle.keySet().contains(key);
     }
 
-
     protected static void assertKeyExists(Bundle bundle, String key) {
         if (!hasKey(bundle, key)) {
             throw new KeyDoesNotExistsException(key);
@@ -35,4 +36,9 @@ public class Parser {
         }
         return result;
     }
+
+    protected StyleParams.Color getColor(Bundle bundle, String key, StyleParams.Color defaultColor) {
+        StyleParams.Color color = StyleParams.Color.parse(bundle.getString(key));
+        return color.hasColor() || defaultColor == null ? color : defaultColor;
+    }
 }

android/app/src/main/java/com/reactnativenavigation/params/parsers/SnackbarParamsParser.java

@@ -0,0 +1,32 @@
+package com.reactnativenavigation.params.parsers;
+
+import android.os.Bundle;
+import android.support.design.widget.Snackbar;
+
+import com.reactnativenavigation.params.AppStyle;
+import com.reactnativenavigation.params.SnackbarParams;
+
+public class SnackbarParamsParser extends Parser {
+    public SnackbarParams parse(Bundle params) {
+        SnackbarParams result = new SnackbarParams();
+        result.text = params.getString("text");
+        result.buttonText = params.getString("actionText");
+        result.buttonColor = getColor(params, "actionColor", AppStyle.appStyle.snackbarButtonColor);
+        result.duration = getDuration(params.getString("duration", "short"));
+        result.eventId = params.getString("actionId");
+        return result;
+    }
+
+    private int getDuration(String duration) {
+        switch (duration) {
+            case "short":
+                return Snackbar.LENGTH_SHORT;
+            case "long":
+                return Snackbar.LENGTH_LONG;
+            case "indefinite":
+                return Snackbar.LENGTH_INDEFINITE;
+            default:
+                return Snackbar.LENGTH_SHORT;
+        }
+    }
+}

android/app/src/main/java/com/reactnativenavigation/params/parsers/TitleBarButtonParamsParser.java

@@ -3,7 +3,6 @@ package com.reactnativenavigation.params.parsers;
 import android.os.Bundle;
 
 import com.reactnativenavigation.params.AppStyle;
-import com.reactnativenavigation.params.StyleParams;
 import com.reactnativenavigation.params.TitleBarButtonParams;
 import com.reactnativenavigation.react.ImageLoader;
 
@@ -33,11 +32,6 @@ public class TitleBarButtonParamsParser extends Parser {
         return result;
     }
 
-    private StyleParams.Color getColor(Bundle bundle, String key, StyleParams.Color defaultColor) {
-        StyleParams.Color color = StyleParams.Color.parse(bundle.getString(key));
-        return color.hasColor() || defaultColor == null ? color : defaultColor;
-    }
-
     private static TitleBarButtonParams.ShowAsAction parseShowAsAction(String showAsAction) {
         if (showAsAction == null) {
             return TitleBarButtonParams.ShowAsAction.IfRoom;

android/app/src/main/java/com/reactnativenavigation/screens/ContentViewPagerAdapter.java

@@ -7,6 +7,7 @@ import android.view.ViewGroup;
 import com.facebook.react.bridge.Arguments;
 import com.facebook.react.bridge.WritableMap;
 import com.reactnativenavigation.NavigationApplication;
+import com.reactnativenavigation.events.ScreenChangeBroadcast;
 import com.reactnativenavigation.params.TopTabParams;
 import com.reactnativenavigation.views.ContentView;
 
@@ -33,11 +34,16 @@ public class ContentViewPagerAdapter extends PagerAdapter {
         super.setPrimaryItem(container, position, object);
         if (position != currentPosition) {
             currentPosition = position;
-            sendPageChangeEvent();
+            sendScreenChangeBroadcast();
+            sendTabSelectedEventToJs();
         }
     }
 
-    private void sendPageChangeEvent() {
+    private void sendScreenChangeBroadcast() {
+        new ScreenChangeBroadcast().send();
+    }
+
+    private void sendTabSelectedEventToJs() {
         WritableMap data = Arguments.createMap();
         String navigatorEventId = contentViews.get(currentPosition).getNavigatorEventId();
         NavigationApplication.instance.sendNavigatorEvent("tabSelected", navigatorEventId, data);

android/app/src/main/java/com/reactnativenavigation/screens/Screen.java

@@ -132,6 +132,10 @@ public abstract class Screen extends RelativeLayout {
         return screenParams.getScreenInstanceId();
     }
 
+    public String getNavigatorEventId() {
+        return screenParams.getNavigatorEventId();
+    }
+
     public void setTopBarVisible(boolean visible, boolean animate) {
         topBarVisibilityAnimator.setVisible(visible, animate);
     }

android/app/src/main/java/com/reactnativenavigation/screens/ViewPagerScreen.java

@@ -92,4 +92,9 @@ public class ViewPagerScreen extends Screen {
     public String getScreenInstanceId() {
         return screenParams.topTabParams.get(viewPager.getCurrentItem()).navigationParams.screenInstanceId;
     }
+
+    @Override
+    public String getNavigatorEventId() {
+        return screenParams.topTabParams.get(viewPager.getCurrentItem()).navigationParams.navigatorEventId;
+    }
 }

android/app/src/main/java/com/reactnativenavigation/views/SnackbarContainer.java

@@ -0,0 +1,49 @@
+package com.reactnativenavigation.views;
+
+import android.content.Context;
+import android.support.design.widget.CoordinatorLayout;
+
+import com.reactnativenavigation.events.ScreenChangeBroadcastReceiver;
+import com.reactnativenavigation.params.SnackbarParams;
+
+public class SnackbarContainer extends CoordinatorLayout implements Snakbar.OnDismissListener, ScreenChangeBroadcastReceiver.OnScreenChangeListener {
+
+    private Snakbar snakbar;
+    private ScreenChangeBroadcastReceiver screenChangeBroadcastReceiver;
+
+    public SnackbarContainer(Context context) {
+        super(context);
+        registerTabSelectedReceiver();
+    }
+
+    private void registerTabSelectedReceiver() {
+        screenChangeBroadcastReceiver = new ScreenChangeBroadcastReceiver(this);
+        screenChangeBroadcastReceiver.register();
+    }
+
+    public void showSnackbar(final String navigatorEventId, final SnackbarParams params) {
+        snakbar = new Snakbar(this, navigatorEventId, params);
+        snakbar.show();
+    }
+
+    public void onScreenChange() {
+        if (snakbar != null) {
+            snakbar.dismiss();
+            snakbar = null;
+        }
+    }
+
+    @Override
+    public void onDismiss() {
+        snakbar = null;
+    }
+
+    public void destroy() {
+        screenChangeBroadcastReceiver.unregister();
+    }
+
+    @Override
+    public void onScreenChangeListener() {
+        onScreenChange();
+    }
+}

android/app/src/main/java/com/reactnativenavigation/views/Snakbar.java

@@ -0,0 +1,71 @@
+package com.reactnativenavigation.views;
+
+import android.support.design.widget.Snackbar;
+import android.view.View;
+
+import com.reactnativenavigation.NavigationApplication;
+import com.reactnativenavigation.params.SnackbarParams;
+
+public class Snakbar {
+    private final OnDismissListener parent;
+    private final String navigatorEventId;
+    private final SnackbarParams params;
+    private Snackbar snackbar;
+
+    public interface OnDismissListener {
+        void onDismiss();
+    }
+
+    public Snakbar(OnDismissListener parent, String navigatorEventId, SnackbarParams params) {
+        this.parent = parent;
+        this.navigatorEventId = navigatorEventId;
+        this.params = params;
+        create();
+    }
+
+    private void create() {
+        snackbar = Snackbar.make((View) parent, params.text, params.duration);
+        setAction(navigatorEventId, params, snackbar);
+        setStyle(snackbar, params);
+        setOnDismissListener();
+    }
+
+    private void setAction(final String navigatorEventId, final SnackbarParams params, Snackbar snackbar) {
+        if (params.eventId != null) {
+            snackbar.setAction(params.buttonText, new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    NavigationApplication.instance.sendNavigatorEvent(params.eventId, navigatorEventId);
+                }
+            });
+        }
+    }
+
+    private void setStyle(Snackbar snackbar, SnackbarParams params) {
+        if (params.buttonColor.hasColor()) {
+            snackbar.setActionTextColor(params.buttonColor.getColor());
+        }
+    }
+
+    private void setOnDismissListener() {
+        snackbar.getView().addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
+            @Override
+            public void onViewAttachedToWindow(View v) {
+
+            }
+
+            @Override
+            public void onViewDetachedFromWindow(View v) {
+                parent.onDismiss();
+            }
+        });
+    }
+
+    public void show() {
+        snackbar.show();
+    }
+
+    public void dismiss() {
+        snackbar.dismiss();
+    }
+}

example-redux/src/screens/FirstTabScreen.js

@@ -5,7 +5,8 @@ import {
   ScrollView,
   TouchableOpacity,
   StyleSheet,
-  Alert
+  Alert,
+  Platform
 } from 'react-native';
 import {connect} from 'react-redux';
 import * as counterActions from '../reducers/counter/actions';
@@ -131,6 +132,13 @@ class FirstTabScreen extends Component {
           <Text style={styles.button}>Toggle NavBar</Text>
         </TouchableOpacity>
 
+        {
+          Platform.OS === 'android' ?
+          <TouchableOpacity onPress={ this.onShowSnackbarPress.bind(this) }>
+            <Text style={styles.button}>Show Snackbar</Text>
+          </TouchableOpacity> : false
+        }
+
         <TouchableOpacity onPress={ this.onSetTitlePress.bind(this) }>
           <Text style={styles.button}>Set Title</Text>
         </TouchableOpacity>
@@ -210,6 +218,16 @@ class FirstTabScreen extends Component {
     });
   }
 
+  onShowSnackbarPress() {
+    this.props.navigator.showSnackbar({
+      text: 'Counter: ' + this.props.counter.count,
+      actionText: 'Undo',
+      actionColor: '#ff0000',
+      actionId: 'undo',
+      duration: 'indefinite'
+    });
+  }
+
   onSetTitlePress() {
     this.props.navigator.setTitle(_.random(0, 100).toString());
   }

src/Screen.js

@@ -101,6 +101,10 @@ class Navigator {
     return platformSpecific.navigatorSwitchToTab(this, params);
   }
 
+  showSnackbar(params = {}) {
+    return platformSpecific.showSnackbar(this, params);
+  }
+
   setOnNavigatorEvent(callback) {
     this.navigatorEventHandler = callback;
     if (!this.navigatorEventSubscription) {

src/deprecated/platformSpecificDeprecated.android.js

@@ -418,6 +418,10 @@ function addNavigationStyleParams(screen) {
   screen.navigatorStyle = Object.assign({}, screen.navigatorStyle, Screen.navigatorStyle);
 }
 
+function showSnackbar(navigator, params) {
+  return newPlatformSpecific.showSnackbar(params);
+}
+
 export default {
   startTabBasedApp,
   startSingleScreenApp,
@@ -434,5 +438,6 @@ export default {
   navigatorSwitchToTab,
   navigatorToggleDrawer,
   navigatorToggleTabs,
-  navigatorToggleNavBar
+  navigatorToggleNavBar,
+  showSnackbar
 };

src/platformSpecific.android.js

@@ -108,6 +108,10 @@ function setBottomTabBadgeByNavigatorId(navigatorId, badge) {
   NativeReactModule.setBottomTabBadgeByNavigatorId(navigatorId, badge);
 }
 
+function showSnackbar(params) {
+  NativeReactModule.showSnackbar(params);
+}
+
 module.exports = {
   startApp,
   push,
@@ -126,5 +130,6 @@ module.exports = {
   selectBottomTabByNavigatorId,
   selectBottomTabByTabIndex,
   setBottomTabBadgeByNavigatorId,
-  setBottomTabBadgeByIndex
+  setBottomTabBadgeByIndex,
+  showSnackbar
 };