React-native, render a button click dynamically

simulatePress.js

/*
 want to generate a button click dynamically for a TouchableOpacity in react-native, i didn't find anything about that,

all i want is to call the TouchableOpacity onPress from a fuction (or see its effect on the button)

in titanium we were doing $.button.click i tried using Animated but no luck https://facebook.github.io/react-native/docs/animations.html

so can anybody help? thanks in advance
*/
import React, { Component } from 'react';

import { View,  Text,  Dimensions } from 'react-native';


export default class About extends Component {

	simulatePress() {

		 this.runAs.props.onPress();
	
	  }
	  
	render() {
		return (
			<View style={styles.containerTop}>
				
					<TouchableOpacity ref={runAs}  onPress={() => console.log('onPress')}>
							<Text>Tap me</Text>
					</TouchableOpacity>
    
         				  <Button onPress={() => this.simulatePress()}  title="run" color="#841584"/>


			
					</View>
		)
	}
}





const styles = {
	containerTop: {
		flex: 1,
		justifyContent: 'center',
		alignItems: 'center',
		marginBottom:15
	},
	container: {
		flex: 1,
		borderRadius: 12,
		overflow: 'hidden',
	},


};