gistfile1.txt

 <Navigator
        ref="navigator"
        renderScene={::this._renderScene}
        initialRoute={{
          navigationBar: (
            <NavigationBar
              title="Test APP"
              customPrev={<NavigationButtons.Settings/>}
              customNext={<NavigationButtons.AddPatient NavigationEmitter={NavigationEmitter} />}
              style={{flex: 1}}
            />
          ),
        }}
        configureScene={(route) => {
          if (route.sceneConfig) {
            return route.sceneConfig;
          }
          return _.omit(Navigator.SceneConfigs.FloatFromBottom, 'gestures');
        }}
      />