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undefined is not an object(evaluating '_this2.props.navigation.navigate') Alert.alert


Why can't I access this.props.navigation in react native Alert?undefined is not an object (evaluating '_this2.onRadioPressed')undefined is not an object(evaluating 'this.onSubmitPressed.bind')React Native Undefined is not an object (evaluating 'this.camera.capture')React Native navigation - undefined is not an objectReact Native error: undefined is not an object(evaluating '_this2.props.navigation.navigate')React Native - undefined is not an object (evaluating 'this.props.navigation.navigate')undefined is not an object (evaluating '_this2.props.navigation') Or Inconsistent results in comparison to other navigationundefined is not an object (evaluating 'this.props.navigation.navigate) React Native modulesReact-native: undefined is not an object (evaluating '_this3.props.navigation.navigate')undefined is not an object (evaluating '_this3.props.navigation.navigate')






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;









1















I need to do an alert, when the alert is pressed, i need to go to other screen, but, expo show me that error, this is my code



 AlertaDi()

Alert.alert(
'Alert Title',
'Correcto',
[
text: '==>', onPress: () =>
this.props.navigation.navigate('InicioBot')
],
);




if i use



onPress=() => this.props.navigation.navigate('InicioBot') 


in a button, it works, but i need that navigation in an event










share|improve this question






























    1















    I need to do an alert, when the alert is pressed, i need to go to other screen, but, expo show me that error, this is my code



     AlertaDi()

    Alert.alert(
    'Alert Title',
    'Correcto',
    [
    text: '==>', onPress: () =>
    this.props.navigation.navigate('InicioBot')
    ],
    );




    if i use



    onPress=() => this.props.navigation.navigate('InicioBot') 


    in a button, it works, but i need that navigation in an event










    share|improve this question


























      1












      1








      1


      2






      I need to do an alert, when the alert is pressed, i need to go to other screen, but, expo show me that error, this is my code



       AlertaDi()

      Alert.alert(
      'Alert Title',
      'Correcto',
      [
      text: '==>', onPress: () =>
      this.props.navigation.navigate('InicioBot')
      ],
      );




      if i use



      onPress=() => this.props.navigation.navigate('InicioBot') 


      in a button, it works, but i need that navigation in an event










      share|improve this question














      I need to do an alert, when the alert is pressed, i need to go to other screen, but, expo show me that error, this is my code



       AlertaDi()

      Alert.alert(
      'Alert Title',
      'Correcto',
      [
      text: '==>', onPress: () =>
      this.props.navigation.navigate('InicioBot')
      ],
      );




      if i use



      onPress=() => this.props.navigation.navigate('InicioBot') 


      in a button, it works, but i need that navigation in an event







      react-native






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 28 at 20:37









      CamanCaman

      64 bronze badges




      64 bronze badges

























          2 Answers
          2






          active

          oldest

          votes


















          0
















          Try this:



          AlertaDi = () => 
          Alert.alert('Alert Title', 'Correcto', [
          text: '==>', onPress: () => this.props.navigation.navigate('InicioBot') ,
          ]);
          ;


          Convert your anonymous function into an arrow function to get this context of its parent






          share|improve this answer

























          • OMG, thanks, it works !!!!

            – Caman
            Mar 28 at 20:51











          • Happy coding :)

            – Hend El-Sahli
            Mar 28 at 20:56


















          0
















          I found another solution, in onPress of the button you may to put



          onPress=() => this.AlertaDi(this.props.navigation)


          like this



          <View style=width:'15%', height:'70%', margin: 10 >

          <Button onPress=() => this.AlertaDi(this.props.navigation)
          title="Niños"/>

          </View>


          This is the code



          import React from 'react';
          import
          View,
          StyleSheet,
          Button,
          Alert,
          from 'react-native';

          export default class TallerBotonDo extends React.Component

          AlertaDi()

          Alert.alert(
          'Alert Title',
          'Correcto',
          [
          text: '==>', onPress: () => this.props.navigation.navigate('InicioBot')
          ],
          );


          render()

          return (
          <View style=width:'45%', height:'45%', margin: 10 >

          <Button onPress=() => this.AlertaDi(this.props.navigation)
          title="Niños"/>

          </View>

          );









          share|improve this answer




























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            2 Answers
            2






            active

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            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            0
















            Try this:



            AlertaDi = () => 
            Alert.alert('Alert Title', 'Correcto', [
            text: '==>', onPress: () => this.props.navigation.navigate('InicioBot') ,
            ]);
            ;


            Convert your anonymous function into an arrow function to get this context of its parent






            share|improve this answer

























            • OMG, thanks, it works !!!!

              – Caman
              Mar 28 at 20:51











            • Happy coding :)

              – Hend El-Sahli
              Mar 28 at 20:56















            0
















            Try this:



            AlertaDi = () => 
            Alert.alert('Alert Title', 'Correcto', [
            text: '==>', onPress: () => this.props.navigation.navigate('InicioBot') ,
            ]);
            ;


            Convert your anonymous function into an arrow function to get this context of its parent






            share|improve this answer

























            • OMG, thanks, it works !!!!

              – Caman
              Mar 28 at 20:51











            • Happy coding :)

              – Hend El-Sahli
              Mar 28 at 20:56













            0














            0










            0









            Try this:



            AlertaDi = () => 
            Alert.alert('Alert Title', 'Correcto', [
            text: '==>', onPress: () => this.props.navigation.navigate('InicioBot') ,
            ]);
            ;


            Convert your anonymous function into an arrow function to get this context of its parent






            share|improve this answer













            Try this:



            AlertaDi = () => 
            Alert.alert('Alert Title', 'Correcto', [
            text: '==>', onPress: () => this.props.navigation.navigate('InicioBot') ,
            ]);
            ;


            Convert your anonymous function into an arrow function to get this context of its parent







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Mar 28 at 20:44









            Hend El-SahliHend El-Sahli

            1,5631 gold badge3 silver badges17 bronze badges




            1,5631 gold badge3 silver badges17 bronze badges















            • OMG, thanks, it works !!!!

              – Caman
              Mar 28 at 20:51











            • Happy coding :)

              – Hend El-Sahli
              Mar 28 at 20:56

















            • OMG, thanks, it works !!!!

              – Caman
              Mar 28 at 20:51











            • Happy coding :)

              – Hend El-Sahli
              Mar 28 at 20:56
















            OMG, thanks, it works !!!!

            – Caman
            Mar 28 at 20:51





            OMG, thanks, it works !!!!

            – Caman
            Mar 28 at 20:51













            Happy coding :)

            – Hend El-Sahli
            Mar 28 at 20:56





            Happy coding :)

            – Hend El-Sahli
            Mar 28 at 20:56













            0
















            I found another solution, in onPress of the button you may to put



            onPress=() => this.AlertaDi(this.props.navigation)


            like this



            <View style=width:'15%', height:'70%', margin: 10 >

            <Button onPress=() => this.AlertaDi(this.props.navigation)
            title="Niños"/>

            </View>


            This is the code



            import React from 'react';
            import
            View,
            StyleSheet,
            Button,
            Alert,
            from 'react-native';

            export default class TallerBotonDo extends React.Component

            AlertaDi()

            Alert.alert(
            'Alert Title',
            'Correcto',
            [
            text: '==>', onPress: () => this.props.navigation.navigate('InicioBot')
            ],
            );


            render()

            return (
            <View style=width:'45%', height:'45%', margin: 10 >

            <Button onPress=() => this.AlertaDi(this.props.navigation)
            title="Niños"/>

            </View>

            );









            share|improve this answer































              0
















              I found another solution, in onPress of the button you may to put



              onPress=() => this.AlertaDi(this.props.navigation)


              like this



              <View style=width:'15%', height:'70%', margin: 10 >

              <Button onPress=() => this.AlertaDi(this.props.navigation)
              title="Niños"/>

              </View>


              This is the code



              import React from 'react';
              import
              View,
              StyleSheet,
              Button,
              Alert,
              from 'react-native';

              export default class TallerBotonDo extends React.Component

              AlertaDi()

              Alert.alert(
              'Alert Title',
              'Correcto',
              [
              text: '==>', onPress: () => this.props.navigation.navigate('InicioBot')
              ],
              );


              render()

              return (
              <View style=width:'45%', height:'45%', margin: 10 >

              <Button onPress=() => this.AlertaDi(this.props.navigation)
              title="Niños"/>

              </View>

              );









              share|improve this answer





























                0














                0










                0









                I found another solution, in onPress of the button you may to put



                onPress=() => this.AlertaDi(this.props.navigation)


                like this



                <View style=width:'15%', height:'70%', margin: 10 >

                <Button onPress=() => this.AlertaDi(this.props.navigation)
                title="Niños"/>

                </View>


                This is the code



                import React from 'react';
                import
                View,
                StyleSheet,
                Button,
                Alert,
                from 'react-native';

                export default class TallerBotonDo extends React.Component

                AlertaDi()

                Alert.alert(
                'Alert Title',
                'Correcto',
                [
                text: '==>', onPress: () => this.props.navigation.navigate('InicioBot')
                ],
                );


                render()

                return (
                <View style=width:'45%', height:'45%', margin: 10 >

                <Button onPress=() => this.AlertaDi(this.props.navigation)
                title="Niños"/>

                </View>

                );









                share|improve this answer















                I found another solution, in onPress of the button you may to put



                onPress=() => this.AlertaDi(this.props.navigation)


                like this



                <View style=width:'15%', height:'70%', margin: 10 >

                <Button onPress=() => this.AlertaDi(this.props.navigation)
                title="Niños"/>

                </View>


                This is the code



                import React from 'react';
                import
                View,
                StyleSheet,
                Button,
                Alert,
                from 'react-native';

                export default class TallerBotonDo extends React.Component

                AlertaDi()

                Alert.alert(
                'Alert Title',
                'Correcto',
                [
                text: '==>', onPress: () => this.props.navigation.navigate('InicioBot')
                ],
                );


                render()

                return (
                <View style=width:'45%', height:'45%', margin: 10 >

                <Button onPress=() => this.AlertaDi(this.props.navigation)
                title="Niños"/>

                </View>

                );










                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited Mar 29 at 15:48

























                answered Mar 28 at 20:56









                CamanCaman

                64 bronze badges




                64 bronze badges































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