Getting there

* Created Snakbar class to encapsulate Snackbar logic.
* Clicking the action now emits event to current screen
* Action color works

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

@@ -157,7 +157,7 @@ public class NavigationReactModule extends ReactContextBaseJavaModule {
     }
 
     @ReactMethod
-    public void showSnackbar(final ReadableMap params) {
+    public void showSnackbar(final String navigatorId, final ReadableMap params) {
         SnackbarParams snackbarParams = new SnackbarParamsParser().parse(BundleConverter.toBundle(params));
         NavigationCommandsHandler.showSnackbar(snackbarParams);
     }

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

@@ -178,7 +178,8 @@ public class BottomTabsLayout extends RelativeLayout implements Layout, AHBottom
 
     @Override
     public void showSnackbar(SnackbarParams params) {
-        snackbarContainer.addSnackbar(params);
+        final String eventId = getCurrentScreenStack().peek().getNavigatorEventId();
+        snackbarContainer.showSnackbar(eventId, params);
     }
 
     public void selectBottomTabByTabIndex(Integer index) {

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

@@ -2,8 +2,8 @@ package com.reactnativenavigation.params;
 
 public class SnackbarParams {
     public String text;
-    public StyleParams.Color textColor;
     public String buttonText;
     public StyleParams.Color buttonColor;
+    public String eventId;
     public int duration;
 }

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

@@ -10,10 +10,10 @@ public class SnackbarParamsParser extends Parser {
     public SnackbarParams parse(Bundle params) {
         SnackbarParams result = new SnackbarParams();
         result.text = params.getString("text");
-        result.textColor = getColor(params, "textColor", AppStyle.appStyle.snackbarTextColor);
-        result.buttonText = params.getString("buttonText");
-        result.buttonColor = getColor(params, "buttonColor", AppStyle.appStyle.snackbarButtonColor);
+        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;
     }
 

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/views/SnackbarContainer.java

@@ -2,7 +2,6 @@ package com.reactnativenavigation.views;
 
 import android.content.Context;
 import android.support.design.widget.CoordinatorLayout;
-import android.support.design.widget.Snackbar;
 
 import com.reactnativenavigation.params.SnackbarParams;
 
@@ -12,8 +11,7 @@ public class SnackbarContainer extends CoordinatorLayout {
         super(context);
     }
 
-    public void addSnackbar(SnackbarParams params) {
-        Snackbar snackbar = Snackbar.make(this, params.text, params.duration);
-        snackbar.show();
+    public void showSnackbar(final String navigatorEventId, final SnackbarParams params) {
+        new Snakbar(this, navigatorEventId, params).show();
     }
 }

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

@@ -0,0 +1,43 @@
+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 View parent;
+    private final String navigatorEventId;
+    private final SnackbarParams params;
+
+    public Snakbar(View parent, String navigatorEventId, SnackbarParams params) {
+        this.parent = parent;
+        this.navigatorEventId = navigatorEventId;
+        this.params = params;
+    }
+
+    public void show() {
+        Snackbar snackbar = Snackbar.make(parent, params.text, params.duration);
+        setAction(navigatorEventId, params, snackbar);
+        setStyle(snackbar, params);
+        snackbar.show();
+    }
+
+    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());
+        }
+    }
+}

src/deprecated/platformSpecificDeprecated.android.js

@@ -419,7 +419,7 @@ function addNavigationStyleParams(screen) {
 }
 
 function showSnackbar(navigator, params) {
-  return newPlatformSpecific.showSnackbar(params);
+  return newPlatformSpecific.showSnackbar(navigator.navigatorEventID, params);
 }
 
 export default {

src/platformSpecific.android.js

@@ -108,8 +108,8 @@ function setBottomTabBadgeByNavigatorId(navigatorId, badge) {
   NativeReactModule.setBottomTabBadgeByNavigatorId(navigatorId, badge);
 }
 
-function showSnackbar(params) {
-  NativeReactModule.showSnackbar(params);
+function showSnackbar(navigatorEventId, params) {
+  NativeReactModule.showSnackbar(navigatorEventId, params);
 }
 
 module.exports = {