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React Native Navigation - Navigating without the navigation prop is not working



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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ height:90px;width:728px;box-sizing:border-box;
}







0















My App.js



import React from "react";
import { StyleSheet, Text, View, StatusBar, Button } from "react-native";
import { createStackNavigator, createAppContainer } from "react-navigation";
import NavigationService from "./NavigationService";

import Register from "./components/auth/Register";
import Login from "./components/auth/Login";

import SocketIOClient from "socket.io-client";

const AppNavigator = createStackNavigator({
Login: { screen: Login },
Register: { screen: Register }
});

const AppContainer = createAppContainer(AppNavigator);

export default class App extends React.Component {
render() {
return (
<View style={styles.container}>
<Register />
<StatusBar backgroundColor="#4d82cb" barStyle="light-content" />
<AppContainer
ref={navigatorRef => {
NavigationService.setTopLevelNavigator(navigatorRef);
}}
/>
</View>
);
}
}

const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: "#82b1ff",
alignItems: "center",
justifyContent: "center"
}
});


I took my NavigationService code from its website, and



in Register.js, I imported the NavigationService.



import NavigationService from "../../NavigationService";
<Button
style={styles.login}
onPress={() => {
NavigationService.navigate("Login");
}}
>


It throws Invariant Violation: The title prop of a Button must be a string error. It says undefined.










share|improve this question













migrated from superuser.com 8 hours ago


This question came from our site for computer enthusiasts and power users.

























    0















    My App.js



    import React from "react";
    import { StyleSheet, Text, View, StatusBar, Button } from "react-native";
    import { createStackNavigator, createAppContainer } from "react-navigation";
    import NavigationService from "./NavigationService";

    import Register from "./components/auth/Register";
    import Login from "./components/auth/Login";

    import SocketIOClient from "socket.io-client";

    const AppNavigator = createStackNavigator({
    Login: { screen: Login },
    Register: { screen: Register }
    });

    const AppContainer = createAppContainer(AppNavigator);

    export default class App extends React.Component {
    render() {
    return (
    <View style={styles.container}>
    <Register />
    <StatusBar backgroundColor="#4d82cb" barStyle="light-content" />
    <AppContainer
    ref={navigatorRef => {
    NavigationService.setTopLevelNavigator(navigatorRef);
    }}
    />
    </View>
    );
    }
    }

    const styles = StyleSheet.create({
    container: {
    flex: 1,
    backgroundColor: "#82b1ff",
    alignItems: "center",
    justifyContent: "center"
    }
    });


    I took my NavigationService code from its website, and



    in Register.js, I imported the NavigationService.



    import NavigationService from "../../NavigationService";
    <Button
    style={styles.login}
    onPress={() => {
    NavigationService.navigate("Login");
    }}
    >


    It throws Invariant Violation: The title prop of a Button must be a string error. It says undefined.










    share|improve this question













    migrated from superuser.com 8 hours ago


    This question came from our site for computer enthusiasts and power users.





















      0












      0








      0








      My App.js



      import React from "react";
      import { StyleSheet, Text, View, StatusBar, Button } from "react-native";
      import { createStackNavigator, createAppContainer } from "react-navigation";
      import NavigationService from "./NavigationService";

      import Register from "./components/auth/Register";
      import Login from "./components/auth/Login";

      import SocketIOClient from "socket.io-client";

      const AppNavigator = createStackNavigator({
      Login: { screen: Login },
      Register: { screen: Register }
      });

      const AppContainer = createAppContainer(AppNavigator);

      export default class App extends React.Component {
      render() {
      return (
      <View style={styles.container}>
      <Register />
      <StatusBar backgroundColor="#4d82cb" barStyle="light-content" />
      <AppContainer
      ref={navigatorRef => {
      NavigationService.setTopLevelNavigator(navigatorRef);
      }}
      />
      </View>
      );
      }
      }

      const styles = StyleSheet.create({
      container: {
      flex: 1,
      backgroundColor: "#82b1ff",
      alignItems: "center",
      justifyContent: "center"
      }
      });


      I took my NavigationService code from its website, and



      in Register.js, I imported the NavigationService.



      import NavigationService from "../../NavigationService";
      <Button
      style={styles.login}
      onPress={() => {
      NavigationService.navigate("Login");
      }}
      >


      It throws Invariant Violation: The title prop of a Button must be a string error. It says undefined.










      share|improve this question














      My App.js



      import React from "react";
      import { StyleSheet, Text, View, StatusBar, Button } from "react-native";
      import { createStackNavigator, createAppContainer } from "react-navigation";
      import NavigationService from "./NavigationService";

      import Register from "./components/auth/Register";
      import Login from "./components/auth/Login";

      import SocketIOClient from "socket.io-client";

      const AppNavigator = createStackNavigator({
      Login: { screen: Login },
      Register: { screen: Register }
      });

      const AppContainer = createAppContainer(AppNavigator);

      export default class App extends React.Component {
      render() {
      return (
      <View style={styles.container}>
      <Register />
      <StatusBar backgroundColor="#4d82cb" barStyle="light-content" />
      <AppContainer
      ref={navigatorRef => {
      NavigationService.setTopLevelNavigator(navigatorRef);
      }}
      />
      </View>
      );
      }
      }

      const styles = StyleSheet.create({
      container: {
      flex: 1,
      backgroundColor: "#82b1ff",
      alignItems: "center",
      justifyContent: "center"
      }
      });


      I took my NavigationService code from its website, and



      in Register.js, I imported the NavigationService.



      import NavigationService from "../../NavigationService";
      <Button
      style={styles.login}
      onPress={() => {
      NavigationService.navigate("Login");
      }}
      >


      It throws Invariant Violation: The title prop of a Button must be a string error. It says undefined.







      routing navigation






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 10 hours ago









      fsuaterdoganfsuaterdogan

      164




      164




      migrated from superuser.com 8 hours ago


      This question came from our site for computer enthusiasts and power users.









      migrated from superuser.com 8 hours ago


      This question came from our site for computer enthusiasts and power users.


























          1 Answer
          1






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          0














          Button needs a title.
          Form:



          <Button title="Text you want" />


          Example:



          <Button title="Login" />





          share|improve this answer
























            Your Answer






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            1 Answer
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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            0














            Button needs a title.
            Form:



            <Button title="Text you want" />


            Example:



            <Button title="Login" />





            share|improve this answer




























              0














              Button needs a title.
              Form:



              <Button title="Text you want" />


              Example:



              <Button title="Login" />





              share|improve this answer


























                0












                0








                0







                Button needs a title.
                Form:



                <Button title="Text you want" />


                Example:



                <Button title="Login" />





                share|improve this answer













                Button needs a title.
                Form:



                <Button title="Text you want" />


                Example:



                <Button title="Login" />






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 8 hours ago







                David







































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