Release 1.1.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation",
-  "version": "1.1.0-rc.4",
+  "version": "1.1.0",
   "description": "Routing and navigation for your React Native apps",
   "main": "src/react-navigation.js",
   "repository": {

src/routers/TabRouter.js

@@ -30,8 +30,9 @@ export default (routeConfigs, config = {}) => {
     paths[routeName] =
       typeof routeConfig.path === 'string' ? routeConfig.path : routeName;
     tabRouters[routeName] = null;
-    if (routeConfig.screen && routeConfig.screen.router) {
-      tabRouters[routeName] = routeConfig.screen.router;
+    const screen = getScreenForRouteName(routeConfigs, routeName);
+    if (screen.router) {
+      tabRouters[routeName] = screen.router;
     }
   });
   if (initialRouteIndex === -1) {

src/views/Header/Header.js

@@ -277,6 +277,11 @@ class Header extends React.PureComponent {
     const { scene } = props;
     const { index, isStale, key } = scene;
 
+    // Never render a modular back button on the first screen in a stack.
+    if (index === 0) {
+      return;
+    }
+
     const offset = this.props.navigation.state.index - index;
 
     if (Math.abs(offset) > 2) {

src/views/Header/ModularHeaderBackButton.js

@@ -42,7 +42,7 @@ class ModularHeaderBackButton extends React.PureComponent {
 
     // TODO: When we've sorted out measuring in the header, let's revisit this.
     // This is clearly a bad workaround.
-    if (backButtonTitle.length > 8) {
+    if (backButtonTitle && backButtonTitle.length > 8) {
       backButtonTitle = truncatedTitle;
     }