React Native Searchable Dropdown Example

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>
  );
  }
}

Download Details:

Author: zubairpaizer

GitHub: https://github.com/zubairpaizer/react-native-searchable-dropdown

#react-native #react #mobile-apps