react-native-modal-selector

A cross-platform (iOS / Android), selector/picker component for React Native that is highly customizable and supports sections.

This project is the official continuation of the abandoned react-native-modal-picker repo. Contributors are welcome to request a promotion to collaborator status.

Demo

Install

npm i react-native-modal-selector --save

Usage

You can either use this component as an wrapper around your existing component or use it in its default mode. In default mode a customizable button is rendered.

See SampleApp for an example how to use this component.

import ModalSelector from 'react-native-modal-selector'

class SampleApp extends Component {

    constructor(props) {
        super(props);

        this.state = {
            textInputValue: ''
        }
    }

    render() {
        let index = 0;
        const data = [
            { key: index++, section: true, label: 'Fruits' },
            { key: index++, label: 'Red Apples' },
            { key: index++, label: 'Cherries' },
            { key: index++, label: 'Cranberries', accessibilityLabel: 'Tap here for cranberries' },
            // etc...
            // Can also add additional custom keys which are passed to the onChange callback
            { key: index++, label: 'Vegetable', customKey: 'Not a fruit' }
        ];

        return (
            <View style={{flex:1, justifyContent:'space-around', padding:50}}>

                // Default mode
                <ModalSelector
                    data={data}
                    initValue="Select something yummy!"
                    onChange={(option)=>{ alert(`${option.label} (${option.key}) nom nom nom`) }} />

                // Wrapper
                <ModalSelector
                    data={data}
                    initValue="Select something yummy!"
                    supportedOrientations={['landscape']}
                    accessible={true}
                    scrollViewAccessibilityLabel={'Scrollable options'}
                    cancelButtonAccessibilityLabel={'Cancel Button'}
                    onChange={(option)=>{ this.setState({textInputValue:option.label})}}>

                    <TextInput
                        style={{borderWidth:1, borderColor:'#ccc', padding:10, height:30}}
                        editable={false}
                        placeholder="Select something yummy!"
                        value={this.state.textInputValue} />

                </ModalSelector>
            </View>
        );
    }
}

Data Format

The selector accept a specific format of data:

[{ key: 5, label: 'Red Apples' }]

If your data has a specific format, you can define extractors of data, example:

this.setState({data: [{ id: 5, name: 'Red Apples' }]});

return (
  <ModalSelector
    data={this.state.data}
    keyExtractor= {item => item.id}
    labelExtractor= {item => item.name}
  />
);

API

Props

Prop	Type	Optional	Default	Description
data	array	No	[]	array of objects with a unique key and label to select in the modal.
onChange	function	Yes	() => {}	callback function, when the users has selected an option
onModalOpen	function	Yes	() => {}	callback function, when modal is opening
onModalClose	function	Yes	() => {}	callback function, when modal is closing
keyExtractor	function	Yes	(data) => data.key	extract the key from the data item
labelExtractor	function	Yes	(data) => data.label	extract the label from the data item
visible	bool	Yes	false	control open/close state of modal
initValue	string	Yes	Select me!	text that is initially shown on the button
cancelText	string	Yes	cancel	text of the cancel button
animationType	string	Yes	slide	type of animation to be used to show the modal. Must be one of none, slide or fade.
disabled	bool	Yes	false	true disables opening of the modal
childrenContainerStyle	object	Yes	{}	style definitions for the children container view
touchableStyle	object	Yes	{}	style definitions for the touchable element
touchableActiveOpacity	number	Yes	0.2	opacity for the touchable element on touch
supportedOrientations	['portrait', 'landscape']	Yes	both	orientations the modal supports
keyboardShouldPersistTaps	string / bool	Yes	always	passed to underlying ScrollView
style	object	Yes		style definitions for the root element
selectStyle	object	Yes	{}	style definitions for the select element (available in default mode only!). NOTE: Due to breaking changes in React Native, RN < 0.39.0 should pass flex:1 explicitly to selectStyle as a prop.
selectTextStyle	object	Yes	{}	style definitions for the select element (available in default mode only!)
overlayStyle	object	Yes	{ flex: 1, padding: '5%', justifyContent: 'center', backgroundColor: 'rgba(0,0,0,0.7)' }	style definitions for the overlay background element. RN <= 0.41 should override this with pixel value for padding.
sectionStyle	object	Yes	{}	style definitions for the section element
sectionTextStyle	object	Yes	{}	style definitions for the select text element
optionStyle	object	Yes	{}	style definitions for the option element
optionTextStyle	object	Yes	{}	style definitions for the option text element
optionContainerStyle	object	Yes	{}	style definitions for the option container element
cancelStyle	object	Yes	{}	style definitions for the cancel element
cancelTextStyle	object	Yes	{}	style definitions for the cancel text element
cancelContainerStyle	object	Yes	{}	style definitions for the cancel container
backdropPressToClose	bool	Yes	false	true makes the modal close when the overlay is pressed
passThruProps	object	Yes	{}	props to pass through to the container View and each option TouchableOpacity (e.g. testID for testing)
accessible	bool	Yes	false	true enables accessibility for modal and options. Note: data items should have an accessibilityLabel property if this is enabled
scrollViewAccessibilityLabel	string	Yes	undefined	Accessibility label for the modal ScrollView
cancelButtonAccessibilityLabel	string	Yes	undefined	Accessibility label for the cancel button
modalOpenerHitSlop	object	Yes	{}	How far touch can stray away from touchable that opens modal (RN docs)