index.js

 /**
 * react-native-check-box
 * Checkbox component for react native, it works on iOS and Android
 * https://github.com/crazycodeboy/react-native-check-box
 * Email:crazycodeboy@gmail.com
 * Blog:http://jiapenghui.com
 * @flow
 */

import React, {Component} from 'react';
import {
    StyleSheet,
    View,
    Image,
    Text,
    TouchableHighlight,
    ViewPropTypes,
} from 'react-native';


export default class CheckBox extends Component {
    static propTypes = {
        ...ViewPropTypes,
        leftText: React.PropTypes.string,
        leftTextView: React.PropTypes.element,
        rightText: React.PropTypes.string,
        leftTextStyle: Text.propTypes.style,
        rightTextView: React.PropTypes.element,
        rightTextStyle: Text.propTypes.style,
        checkedImage: React.PropTypes.element,
        unCheckedImage: React.PropTypes.element,
        onClick: React.PropTypes.func.isRequired,
        isChecked: React.PropTypes.bool.isRequired,
	checkBoxColor: React.PropTypes.string,
    }
    static defaultProps = {
        isChecked: false,
        leftTextStyle: {},
        rightTextStyle: {}
    }

    _renderLeft() {
        if (this.props.leftTextView)return this.props.leftTextView;
        if (!this.props.leftText)return null;
        return (
            <Text style={[styles.leftText, this.props.leftTextStyle]}>{this.props.leftText}</Text>
        );
    }
    _renderRight() {
        if (this.props.rightTextView)return this.props.rightTextView;
        if (!this.props.rightText)return null;
        return (
            <Text style={[styles.rightText, this.props.rightTextStyle]}>{this.props.rightText}</Text>
        );
    }

    _renderImage() {
        if (this.props.isChecked) {
            return this.props.checkedImage ? this.props.checkedImage : this.genCheckedImage();
        } else {
            return this.props.unCheckedImage ? this.props.unCheckedImage : this.genCheckedImage();
        }
    }

    genCheckedImage() {
        var source = this.props.isChecked ? require('./img/ic_check_box.png') : require('./img/ic_check_box_outline_blank.png');

        return (
            <Image source={source} tintColor={this.props.checkBoxColor}/>
        );
    }

    render() {
        return (
            <TouchableHighlight
                style={this.props.style}
                onPress={this.props.onClick}
                underlayColor='transparent'
            >
                <View style={styles.container}>
                    {this._renderLeft()}
                    {this._renderImage()}
                    {this._renderRight()}
                </View>
            </TouchableHighlight>
        );
    }
}
const styles = StyleSheet.create({
    container: {
        flexDirection: 'row',
        alignItems: 'center'
    },
    leftText: {
        flex: 1,
    },
    rightText: {
        flex: 1,
        marginLeft: 10
    }
});