native-drop-down

A react-native dropdown component for both Android and iOS.

Installation

npm i native-drop-down -S

Usage

Import

import ModalDropdown from 'native-drop-down';

Use as a component:

<ModalDropdown options={['option 1', 'option 2']}/>

Use as a wrapper / container:

<ModalDropdown options={['option 1', 'option 2']}>
  ...
</ModalDropdown>

API

Props

Prop | Type | Optional | Default | Description ------------------- | -------- | -------- | --------- | ----------- disabled | bool | Yes | false | disable / enable the component. defaultIndex | number | Yes | -1 | Init selected index. -1: None is selected. This only change the highlight of the dropdown row, you have to give a defaultValue to change the init text. defaultValue | string | Yes | Please select... | Init text of the button. Invalid in wrapper mode. options | array | Yes | | Options. The dropdown will show a loading indicator if options is null/undefined. animated | bool | Yes | true | Disable / enable fade animation. showsVerticalScrollIndicator | bool | Yes | true | Show / hide vertical scroll indicator. style | object | Yes | | Style of the button. textStyle | object | Yes | | Style of the button text. Invalid in wrapper mode. dropdownStyle | object | Yes | | Style of the dropdown list. dropdownTextStyle | object | Yes | | Style of the dropdown option text. dropdownTextHighlightStyle | object | Yes | | Style of the dropdown selected option text. adjustFrame | func | Yes | | This is a callback after the frame of the dropdown have been calculated and before showing. You will receive a style object as argument with some of the props like width height top left and right. Change them to appropriate values that accord with your requirement and make the new style as the return value of this function. renderRow | func | Yes | | Customize render option rows. Will render a default row if null/undefined. renderSeparator | func | Yes | | Customize render dropdown list separators. Will render a default thin gray line if null/undefined. onDropdownWillShow| func | Yes | | Trigger when dropdown will show by touching the button. Return false can cancel the event. onDropdownWillHide| func | Yes | | Trigger when dropdown will hide by touching the button. Return false can cancel the event. onSelect | func | Yes | | Trigger when option row touched with selected index and value. Return false can cancel the event. accessible | bool | Yes | true | Set accessibility of dropdown modal and dropdown rows keyboardShouldPersistTaps | enum('always', 'never', 'handled') | Yes | 'never' | See react-native ScrollView props

Methods

Method | Description ----------------- | ----------- show() | Show the dropdown. Won't trigger onDropdownWillShow. hide() | Hide the dropdown. Won't trigger onDropdownWillHide. select(idx) | Select the specified option of the idx. Select -1 will reset it to display defaultValue. Won't trigger onSelect.

License

MIT