FirstScreen.js

import React, { Component } from "react";
import HomeScreen from "./HomeScreen";
import ChatScreen from "./ChatScreen";
import ThirdScreen from "./ThirdScreen";
import JsonList from "./JsonList";
import ProfileScreen from "./ProfileScreen";
import ListView from "./ListView";
import GridViewExample from "./GridViewExample";
import Login from "./Login";
import SignUp from "./SignUp";
import SectionListView from "./SectionListView";
import WebViewExample from "./WebViewExample";
import ImageSliderView from "./ImageSliderView";
import ImageInfoSlider from "./ImageInfoSlider";
import MapScreen from "./MapScreen";
import GradientScreen from "./GradientScreen";
import GradientList from "./GradientList";
import MenuBarProfile from "./MenuBarProfile";
import ActivityIndicatorExample from "./ActivityIndicatorExample";
import AsyncStorageExample from "./AsyncStorageExample";
import PopupDialogTest from "./PopupDialogTest";
import Movies from "./Movies";
import TestFile from "./TestFile";
import FontTest from "./FontTest";
import TestApiTwo from "./TestApiTwo";
import TestReducer from "./TestReducer";
import TestReducerTwo from "./TestReducerTwo";
import WixActionSheet from "./WixActionSheet";
import CardViewScreen from "./CardViewScreen";
import AnimatedSpringAnimation from "./AnimatedSpringAnimation";
import AnimationMultipleTime from "./AnimationMultipleTime";
import SignUpContainer from "./../src/PostCallSample/container/SignUpContainer";
import TestLayout from "./TestLayout";
import ViewComponet from "./reduxTutorial/ViewComponet";
import ShowValues from "./reduxTutorial/ShowValues";
import SnackBar from './uiview/SnackBar'
import ToolTipsView from './uiview/ToolTipsView'
import WheelPickerComponent from './WheelPickerComponent'
import { AppRegistry, StyleSheet, Text, View } from "react-native";
import { StackNavigator } from "react-navigation";

const Sample_stack = StackNavigator({
  /* we can change it to  TabNavigator and DrawerNavigator*/
  Home: { screen: HomeScreen },
  Profile: { screen: ProfileScreen },
  List: { screen: ListView },
  Grid: { screen: GridViewExample },
  Login: { screen: Login },
  SignUp: { screen: SignUp },
  sectionList: { screen: SectionListView },
  JsonList: { screen: JsonList },
  ThirdScreen: { screen: ThirdScreen },
  ImageSliderView: { screen: ImageSliderView },
  WebViewExample: { screen: WebViewExample },
  ImageInfoSlider: { screen: ImageInfoSlider },
  MapScreen: { screen: MapScreen },
  GradientScreen: { screen: GradientScreen },
  GradientList: { screen: GradientList },
  MenuBarProfile: { screen: MenuBarProfile },
  ActivityIndicatorExample: { screen: ActivityIndicatorExample },
  AsyncStorageExample: { screen: AsyncStorageExample },
  PopupDialogTest: { screen: PopupDialogTest },
  Movies: { screen: Movies },
  TestFile: { screen: TestFile },
  FontTest: { screen: FontTest },
  TestApiTwo: { screen: TestApiTwo },
  TestReducer: { screen: TestReducer },
  TestReducerTwo: { screen: TestReducerTwo },
  WixActionSheet: { screen: WixActionSheet },
  CardViewScreen: { screen: CardViewScreen },
  AnimatedSpringAnimation: { screen: AnimatedSpringAnimation },
  AnimationMultipleTime: { screen: AnimationMultipleTime },
  SignUpContainer: { screen: SignUpContainer },
  TestLayout: { screen: TestLayout },
  ViewComponet: { screen: ViewComponet },
  ShowValues: { screen: ShowValues },
  SnackBar: { screen: SnackBar },
  WheelPickerComponent: { screen: WheelPickerComponent } ,
  ToolTipsView: { screen: ToolTipsView } 
});

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: "center",
    alignItems: "center",
    backgroundColor: "#F5FCFF"
  }
});
export default Sample_stack;
//AppRegistry.registerComponent('FirstScreen', () => sample_stack);