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.
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You can either use this component in its default mode, as a wrapper around your existing component or provide a custom component (where you need to control opening of the modal yourself). 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>
// Custom component
<ModalSelector
data={data}
ref={selector => { this.selector = selector; }}
customSelector={<Switch onValueChange={() => this.selector.open()} />}
/>
</View>
);
}
}The selector accepts a specific format of data:
[{ key: 5, label: 'Red Apples' }]Optionally provide a component key which overrides the default label text. Optionally provide a unique testID for each item:
[{
key: 5,
label: 'Red Apples',
// The next keys are optional --
component: <View style={{backgroundColor: 'red'}}><Text style={{color: 'white'}}>Red Apples custom component ☺</Text></View>,
testID: '5-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}
/>
);| Prop | Type | Optional | Default | Description |
|---|---|---|---|---|
data |
array | No | [] | array of objects with a unique key and label to select in the modal. Optional component overrides label text. Optional unique testID for each item. |
onChange |
function | Yes | () => {} | callback function, when the users has selected an option |
onModalOpen |
function | Yes | () => {} | callback function, when modal is opening |
onModalClose |
function | Yes | (item) => {} | callback function, when modal is closing. Returns the selected item. |
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 |
componentExtractor |
function | Yes | (data) => data.component | extract the component from the data item |
visible |
bool | Yes | false | control open/close state of modal |
closeOnChange |
bool | Yes | true | control if modal closes on select |
initValue |
string | Yes | Select me! |
text that is initially shown on the button |
cancelText |
string | Yes | cancel |
text of the cancel button |
disabled |
bool | Yes | false | true disables opening of the modal |
supportedOrientations |
['portrait', 'landscape'] | Yes | both | orientations the modal supports |
keyboardShouldPersistTaps |
string / bool |
Yes | always |
passed to underlying ScrollView |
animationType |
string | Yes | slide |
type of animation to be used to show the modal. Must be one of none, slide or fade. |
style |
object | Yes | style definitions for the root element | |
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 |
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 |
selectedItemTextStyle |
object | Yes | {} | style definitions for the currently selected 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 |
initValueTextStyle |
object | Yes | {} | style definitions for the initValue 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) |
selectTextPassThruProps |
object | Yes | {} | props to pass through to the select text component |
optionTextPassThruProps |
object | Yes | {} | props to pass through to the options text components in the modal |
scrollViewPassThruProps |
object | Yes | {} | props to pass through to the internal ScrollView |
openButtonContainerAccessible |
bool | Yes | false | true enables accessibility for the open button container. Note: if false be sure to define accessibility props directly in the wrapped component. |
listItemAccessible |
bool | Yes | false | true enables accessibility for data items. Note: data items should have an accessibilityLabel property if this is enabled |
cancelButtonAccessible |
bool | Yes | false | true enables accessibility for cancel button. |
scrollViewAccessible |
bool | Yes | false | true enables accessibility for the scroll view. Only enable this if you don't want to interact with individual data items. |
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) |
customSelector |
node | Yes | undefined | Render a custom node instead of the built-in select box. |
selectedKey |
any | Yes | '' | Key of the item to be initially selected |
enableShortPress |
bool | Yes | true | enables short press. This is regular touch behavior. |
enableLongPress |
bool | Yes | false | enables long press. When true, onModalOpen returns {longPress: true} |
optionsTestIDPrefix |
string | Yes | 'default' |
This prefixes each selectable option's testID prop if no testID keys are provided in props.data array objects. Default for each option's testID: 'default-<optionLabel>' |
getSelectedItem(): get current selected item, updated by onChange event.
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