Sunday, 20 October 2019

react native touches

TouchableHighlight

TouchableOpacity

TouchableNativeFeedback

onLongPress

onPress

import React, { Component, useState } from 'react';
import {
  Platform, StyleSheet, Text, TouchableHighlight,
  TouchableOpacity, TouchableNativeFeedback, TouchableWithoutFeedback, View
} from 'react-native';

export default function TestBasics() {

  function _onPressButton() {
    alert('You tapped the button!')
  }

  function _onLongPressButton() {
    alert('You long-pressed the button!')
  }


  return (
    <View style={styles.container}>
      <TouchableHighlight onPress={() => _onPressButton()} underlayColor="white">
        <View style={styles.button}>
          <Text style={styles.buttonText}>TouchableHighlight</Text>
        </View>
      </TouchableHighlight>
      <TouchableOpacity onPress={() => _onPressButton()}>
        <View style={styles.button}>
          <Text style={styles.buttonText}>TouchableOpacity</Text>
        </View>
      </TouchableOpacity>
      <TouchableNativeFeedback
        onPress={() => _onPressButton()}
        background={Platform.OS === 'android' ? TouchableNativeFeedback.SelectableBackground() : ''}>
        <View style={styles.button}>
          <Text style={styles.buttonText}>TouchableNativeFeedback {Platform.OS !== 'android' ? '(Android only)' : ''}</Text>
        </View>
      </TouchableNativeFeedback>
      <TouchableWithoutFeedback
        onPress={() => _onPressButton()}
      >
        <View style={styles.button}>
          <Text style={styles.buttonText}>TouchableWithoutFeedback</Text>
        </View>
      </TouchableWithoutFeedback>
      <TouchableHighlight onPress={() => _onPressButton()} onLongPress={() => _onLongPressButton()} underlayColor="white">
        <View style={styles.button}>
          <Text style={styles.buttonText}>Touchable with Long Press</Text>
        </View>
      </TouchableHighlight>
    </View>
  );
}


const styles = StyleSheet.create({
  container: {
    paddingTop: 60,
    alignItems: 'center'
  },
  button: {
    marginBottom: 30,
    width: 260,
    alignItems: 'center',
    backgroundColor: '#2196F3'
  },
  buttonText: {
    textAlign: 'center',
    padding: 20,
    color: 'white'
  }
});


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