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Documentation

React Native Dropdown

Simple DropDown menu for React Native App!

Introduction

React Native Dropdown is simple, customizable and easy to use dropdown in React Native. Works with both Android and IOS.

Installation

npm i react-native-dropdown --save 

Usage

Require it inside your Javascript files. Also supporting components using object-deconstructing. Select Option OptionList, Also a positioning utility method updatePosition.

updatePosition should be called in componentDidMount with refs to the <Select /> component and <OptionList />.

This calculates component's PositionX and PositionY and sets it back into the component. The component uses it to position the <OptionList> using this co-ordinates.

Example

var React = require('react-native'); var {   Component,   AppRegistry,   Text,   View, } = React;  const DropDown = require('react-native-dropdown'); const {   Select,   Option,   OptionList,   updatePosition } = DropDown;  class App extends Component {   constructor(props) {     super(props);      this.state = {       canada: ''     };   }    componentDidMount() {     updatePosition(this.refs['SELECT1']);     updatePosition(this.refs['OPTIONLIST']);   }    _getOptionList() {     return this.refs['OPTIONLIST'];   }       _canada(province) {  	this.setState({       ...this.state,       canada: province     });   }    render() {     return (       <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>           <Select             width={250}             ref="SELECT1"             optionListRef={this._getOptionList.bind(this)}             defaultValue="Select a Province in Canada ..."             onSelect={this._canada.bind(this)}>             <Option>Alberta</Option>             <Option>British Columbia</Option>             <Option>Manitoba</Option>             <Option>New Brunswick</Option>             <Option>Newfoundland and Labrador</Option>             <Option>Northwest Territories</Option>             <Option>Nova Scotia</Option>             <Option>Nunavut</Option>             <Option>Ontario</Option>             <Option>Prince Edward Island</Option>             <Option>Quebec</Option>             <Option>Saskatchewan</Option>             <Option>Yukon</Option>           </Select>            <Text>Selected provicne of Canada: {this.state.canada}</Text>                      <OptionList ref="OPTIONLIST"/>       </View>     );   } }  AppRegistry.registerComponent('App', () => App);  

For complete implementation checkout example folder.

Configuration

Select:
Property Type Default Description
width number 400 Width of the selection
height number 50 Height of the selection
optionListRef function required Reference to <OptionList /> to display the selection menu
style object null Custom styles to be applied if supplied
defaultValue string first option The value to be displayed if none of the options are selected.
Option:
Property Type Default Description
style object null Styles to be applied on 'Option' component
styleText object null Styles to be applied on text inside of 'Option'

Demo


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