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material_search

Implements part of the material search pattern with flutter widgets. https://material.io/guidelines/patterns/search.html

Example

Getting Started

For help getting started with Flutter, view our online documentation.

For help on editing package code, view the documentation.

Example

App

Checkout the Example app

Raw Material Search

import 'package:material_search/material_search.dart';

const _list = const [
    'Igor Minar',
    'Brad Green',
    'Dave Geddes',
    'Naomi Black',
    'Greg Weber',
    'Dean Sofer',
    'Wes Alvaro',
    'John Scott',
    'Daniel Nadasi',
];

void main() {
  runApp(new Scaffold(
    body: new MaterialSearch<String>(
      placeholder: 'Search', //placeholder of the search bar text input

      getResults: (String criteria) async {
        var list = await _fetchList(criteria);
        return list.map((name) => new MaterialSearchResult<String>(
          value: name, //The value must be of type <String>
          text: name, //String that will be show in the list
          icon: Icons.person,
        )).toList();
      },
      //or
      results: _list.map((name) => new MaterialSearchResult<String>(
        value: name, //The value must be of type <String>
        text: name, //String that will be show in the list
        icon: Icons.person,
      )).toList(),

      //optional. default filter will look like this:
      filter: (String value, String criteria) {
        return value.toString().toLowerCase().trim()
          .contains(new RegExp(r'' + criteria.toLowerCase().trim() + ''));
      },
      //optional
      sort: (String value, String criteria) {
        return 0;
      },
      //callback when some value is selected, optional.
      onSelect: (String selected) {
        print(selected);
      },
      //callback when the value is submitted, optional.
      onSubmit: (String value) {
        print(value);
      },
    ),
  ));
}

Material Search Input

import 'package:material_search/material_search.dart';

const _list = const [
    'Igor Minar',
    'Brad Green',
    'Dave Geddes',
    'Naomi Black',
    'Greg Weber',
    'Dean Sofer',
    'Wes Alvaro',
    'John Scott',
    'Daniel Nadasi',
];

void main() {
  String _selected;

  runApp(new Scaffold(
    body: new MaterialSearchInput<String>(
      //placeholder of the input and of the search bar text input
      placeholder: 'Search',
      //text of the input, to indicate which value is selected
      valueText: _selected ?? '',

      getResults: (String criteria) async {
        var list = await _fetchList(criteria);
        return list.map((name) => new MaterialSearchResult<String>(
          value: name, //The value must be of type <String>
          text: name, //String that will be show in the list
          icon: Icons.person,
        )).toList();
      },
      //or
      results: _list.map((name) => new MaterialSearchResult<String>(
        value: name, //The value must be of type <String>
        text: name, //String that will be show in the list
        icon: Icons.person,
      )).toList(),

      //optional. default filter will look like this:
      filter: (String value, String criteria) {
        return value.toString().toLowerCase().trim()
          .contains(new RegExp(r'' + criteria.toLowerCase().trim() + ''));
      },
      //optional
      sort: (String value, String criteria) {
        return 0;
      },
      //callback when some value is selected
      onSelect: (String selected) {
        if (selected == null) {
          //user closed the MaterialSearch without selecting any value
          return;
        }

        setState(() {
          _selected = selected;
        });
      },
    ),
  ));
}

Notes

MaterialSearchInput takes the same arguments as MaterialSearch, and a few more.