readme.md

React Native Searchable Dropdown

Searchable Dropdown to help you search with in the list (FlatList), and you can pick single item and multiple items.

Installation

npm install --save react-native-searchable-dropdown

Properties

Props	Description
items	dropdown items
defaultIndex	Default selected index of items. (optional)
onTextChange	on text change you can passs onTextChange and catch the input text. (optional)
onItemSelect	on item selection you can passs onItemSelect and catch the input item.
containerStyle	component container style
textInputStyle	TextInput style
itemStyle	items on dropdown
itemTextStyle	item text
resetValue	reset textInput Value with true and false state
placeholder	textInput placeholder
placeholderTextColor	textInput placeholderTextColor
itemsContainerStyle	items container style you can pass maxHeight to restrict the items dropdown hieght
underlineColorAndroid	TextInput underline height
listProps	all supported (FlatList) props example: listProps={ nestedScrollEnabled: true }
textInputProps	all supported (TextInput) props example: textInputProps={ underlineColorAndroid: 'transparent' }
setSort	filter data on text changing example: setSort={(item, searchedText)=> item.name.toLowerCase().startsWith(searchedText.toLowerCase())}
multi	boolean toggle multi selection
selectedItems	selectedItems of multi selection note: work when if multi prop is true
chip	boolean toggle chip display mode note: work when if multi prop is true
onRemoveItem	{ (item, index) => { } } note: work when if multi prop is true

Example

import React, { Component, Fragment } from 'react';
import SearchableDropdown from 'react-native-searchable-dropdown';

var items = [
  {
    id: 1,
    name: 'JavaScript',
  },
  {
    id: 2,
    name: 'Java',
  },
  {
    id: 3,
    name: 'Ruby',
  },
  {
    id: 4,
    name: 'React Native',
  },
  {
    id: 5,
    name: 'PHP',
  },
  {
    id: 6,
    name: 'Python',
  },
  {
    id: 7,
    name: 'Go',
  },
  {
    id: 8,
    name: 'Swift',
  },
];
class App extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      selectedItems: [
        {
          id: 7,
          name: 'Go',
        },
        {
          id: 8,
          name: 'Swift',
        }
      ]
    }
  }
  render() {
  return (
        <Fragment>
          {/* Multi */}
          <SearchableDropdown
            multi={true}
            selectedItems={this.state.selectedItems}
            onItemSelect={(item) => {
              const items = this.state.selectedItems;
              items.push(item)
              this.setState({ selectedItems: items });
            }}
            containerStyle={{ padding: 5 }}
            onRemoveItem={(item, index) => {
              const items = this.state.selectedItems.filter((sitem) => sitem.id !== item.id);
              this.setState({ selectedItems: items });
            }}
            itemStyle={{
              padding: 10,
              marginTop: 2,
              backgroundColor: '#ddd',
              borderColor: '#bbb',
              borderWidth: 1,
              borderRadius: 5,
            }}
            itemTextStyle={{ color: '#222' }}
            itemsContainerStyle={{ maxHeight: 140 }}
            items={items}
            defaultIndex={2}
            chip={true}
            resetValue={false}
            textInputProps={
              {
                placeholder: "placeholder",
                underlineColorAndroid: "transparent",
                style: {
                    padding: 12,
                    borderWidth: 1,
                    borderColor: '#ccc',
                    borderRadius: 5,
                },
                onTextChange: text => alert(text)
              }
            }
            listProps={
              {
                nestedScrollEnabled: true,
              }
            }
          />
          {/* Single */}
          <SearchableDropdown
            onItemSelect={(item) => {
              const items = this.state.selectedItems;
              items.push(item)
              this.setState({ selectedItems: items });
            }}
            containerStyle={{ padding: 5 }}
            onRemoveItem={(item, index) => {
              const items = this.state.selectedItems.filter((sitem) => sitem.id !== item.id);
              this.setState({ selectedItems: items });
            }}
            itemStyle={{
              padding: 10,
              marginTop: 2,
              backgroundColor: '#ddd',
              borderColor: '#bbb',
              borderWidth: 1,
              borderRadius: 5,
            }}
            itemTextStyle={{ color: '#222' }}
            itemsContainerStyle={{ maxHeight: 140 }}
            items={items}
            defaultIndex={2}
            resetValue={false}
            textInputProps={
              {
                placeholder: "placeholder",
                underlineColorAndroid: "transparent",
                style: {
                    padding: 12,
                    borderWidth: 1,
                    borderColor: '#ccc',
                    borderRadius: 5,
                },
                onTextChange: text => alert(text)
              }
            }
            listProps={
              {
                nestedScrollEnabled: true,
              }
            }
        />
      </Fragment>
  );
  }
}