Change Button Color onPress (toggle functionality) React Native

Question

hope all is well.

I seem to be having difficulty with a basic button functionality. All I need is the state of the class to change and the button style to change every-

Answer 1

I think you should take a step back and do some basic React tutorials before digging too much into React Native - this is a fairly straightforward problem to solve :) Here's a solution for you:

'use strict';

var React = require('react-native');
var Dimensions = require('Dimensions');
var window = Dimensions.get('window');

var {
  AppRegistry,
  StyleSheet,
  Text,
  View,
  NavigatorIOS,
  Image,
  TouchableHighlight,
  TextInput,
} = React;

class ToggleButton extends React.Component {

  render() {
    return (
      
          
            
              {this.props.label}
            
          
      
    );
  }
}


class LS1 extends React.Component{

  constructor(props){
    super(props);
    this.state = {
      paleo: false,
      vegan: false,
      vegetarian: false,
    }
  }

  updateChoice(type) {
    let newState = {...this.state};
    newState[type] = !newState[type];
    this.setState(newState);
  }

  SkipLogin() {
    var num = window.height/8.335;
    console.log(num);
  }

  render() {
    return (
      
        
          Help us get to know your dietary lifestyle.

          
            
               { this.updateChoice('vegan') }} selected={this.state.vegan} />
               { this.updateChoice('paleo') }} selected={this.state.paleo} />
               { this.updateChoice('vegetarian') }} selected={this.state.vegetarian} />
            
          

          
            
              skip this step
            
          

        
      
    );
  }
};

var styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: 'transparent'
  },
  bgImage: {
    flex: 1,
    width: window.width,
    resizeMode: 'cover',
  },
  icontext: {
    color: '#5d5d5d',
    fontWeight: '400',
    fontSize: 20,
    backgroundColor: 'transparent',
    paddingLeft: 10,
    alignItems: 'center',
    marginTop: window.height/2.2,
    textAlign: 'center',
    margin: 10,
  },
  bubblechoice_click: {
    height: window.height/8.335,
    borderRadius: (window.height/8.3350)/2,
    marginRight: 2,
    width: window.height/8.335,
  },
  bubblechoice: {
    height: window.height/8.335,
    borderRadius: (window.height/8.3350)/2,
    marginRight: 2,
    width: window.height/8.335,
  },
  row: {
    flex: 1,
    alignItems: 'center',
    flexDirection: 'row',
    justifyContent: 'center',
    marginTop: -30,
  },
  choicetext: {
    alignItems: 'center',
    alignSelf: 'center',
    color: 'white',
    marginTop: 35,
    fontWeight: '600',
    marginLeft: -18,
    fontSize: 14,
    flex: 1,
    textAlign: 'center'
  },
  overlay: {
    backgroundColor:'rgba(80,94,104,0.7)',
    height: 100,
    width: 100,
    alignItems:'center'
  },

});

module.exports = LS1;

AppRegistry.registerComponent('main', () => LS1);

You can try it out by downloading Exponent to your phone from http://exponentjs.com/ (app store or beta, whichever you prefer) then loading up exp://exp.host/@brentvatne/button-color-exp