How to update styles on child component onPress in react native

How to update styles on child component onPress in react native

By : Michael Piechota
Date : November 21 2020, 04:01 AM
Does that help Ya your value is undefined.. use this modified code, Now it is working as you want..
code :
    class RadioButton extends React.PureComponent {
  constructor(props) {
    this.state = { value: props.selected ? props.selected : null };
  handleRadioButtonChange = event => {
    this.setState({ value: event });
  render() {
    const { disabled, name, options } = this.props;
    const { value } = this.state;
    const radioOptions = options.map(radio => (
        onPress={() => this.handleRadioButtonChange(radio[1])}
        <View style={value === radio[1] ? styleActive : styleInactive} />
    return radioOptions;

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How to get onPress event from ScrollView Component in React Native

How to get onPress event from ScrollView Component in React Native

By : chinaBoy
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I have figured this out after investigating the React Native source code: https://github.com/facebook/react-native/blob/master/Libraries/Components/ScrollResponder.js
As it turns out there are actually a number of other events available via the ScrollResponder mixin, that are not mentioned in the online documentation. It is not necessary to include the mixin to access these events, since they are already part of the ScrollView component. The one that was useful for me was onResponderRelease, which fires when you release the ScrollView, like so:
code :
<View ref="theWrapperView" style={styles.theWrapperView}>
                onResponderRelease = {this.onResponderReleaseHandler.bind(this)}
//do stuff

Getting an error when trying to update the state of region in React Native Mapview component using an onPress event

Getting an error when trying to update the state of region in React Native Mapview component using an onPress event

By : beoffon
Date : March 29 2020, 07:55 AM
Any of those help Ok So I found out the answer. To replace the date in the this.state.region area using the _addItem function onPress I needed to set this.state.region to equal the latitude and longitude from the geo coder I was using to convert addresses into coordinates. So I needed to use the following:
code :
_addItem() {
    'Look up address',
    [{text: 'Cancel', onPress: () => console.log('Cancel Pressed'), 


  text: 'Enter',
  onPress: (value) => Geocoder.geocodeAddress(value).then(res => {
            // res is an Array of geocoding object (see below)

                    this.state.coordinate.latitude = res[0].position.lat 
                    this.state.coordinate.longitude = res[0].position.lng
         //I needed to set this region equal to the conversion of the address from within the geo coder to the latitude and longitude of the address.
                     this.state.region = {latitude: res[0].position.lat,
                                          longitute: res[0].position.lng}

                    this.itemsRef.push({address: res[0].formattedAddress})


           .catch(err => console.log(err)) 
React Native FlatList onPress for child

React Native FlatList onPress for child

By : William_Ray
Date : March 29 2020, 07:55 AM
wish help you to fix your issue View doesn't accept an onPress function nor does Image. You need to wrap the View in a Touchable (TouchableOpacity, TouchableHighlight, etc)
Changing styles onPress event React Native

Changing styles onPress event React Native

By : Dodo
Date : March 29 2020, 07:55 AM
hope this fix your issue You could use a touchableHighlight with is imported from 'react-native' Your constructor should hold a varaible for the press status:
code :
constructor(props) {
  this.state = {
    pressStatus: false 
  this.setState({ pressStatus: false });
  this.setState({ pressStatus: true });
        style={this.state.pressStatus ? styles.buttonPress : styles.button}
button: {
    borderColor: '#000066',
    backgroundColor: '#000066',
  buttonPress: {
    borderColor: '#000066',
    backgroundColor: '#000066',
React Native: How to fix error with Button component during onPress?

React Native: How to fix error with Button component during onPress?

By : user2734382
Date : March 29 2020, 07:55 AM
wish help you to fix your issue The problem seems to be the way you're assigning the color prop to the
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