searchfield 0.5.3

A highly customizable simple and easy to use flutter Widget to add a searchfield to your Flutter Application.This Widget allows you to search and select from list of suggestions.

example/lib/main.dart

import 'package:example/country_model.dart';
import 'package:flutter/material.dart';
import 'package:searchfield/searchfield.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'Countries Demographic'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  void dispose() {
    _searchController.dispose();
    super.dispose();
  }

  final _searchController = TextEditingController();

  @override
  void initState() {
    super.initState();
    countries = data.map((e) => Country.fromMap(e)).toList();
  }

  List<Country> countries = [];
  @override
  Widget build(BuildContext context) {
    return GestureDetector(
        onTap: () => FocusScope.of(context).unfocus(),
        child: Scaffold(
            appBar: AppBar(
              title: Text(widget.title),
            ),
            body: Column(
              children: [
                Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: SearchField(
                    suggestions: countries.map((e) => e.name).toList(),
                    suggestionType: SuggestionType.enabled,
                    controller: _searchController,
                    hint: 'Search by country name',
                    maxSuggestionsInViewPort: 4,
                    itemHeight: 45,
                    onTap: (x) {
                      final country = countries.firstWhere((e) => e.name == x);
                      Navigator.of(context)
                          .push(MaterialPageRoute<CountryDetail>(
                              builder: (_) => CountryDetail(
                                    country: country,
                                  )));
                    },
                  ),
                ),
                Expanded(
                  child: ListView.separated(
                    itemCount: countries.length,
                    separatorBuilder: (_, index)=>Divider(),
                    itemBuilder: (_, index) => ListTile(
                      title: Text(countries[index].name),
                      trailing: IconButton(onPressed: (){
                        Navigator.of(context)
                          .push(MaterialPageRoute<CountryDetail>(
                              builder: (_) => CountryDetail(
                                    country: countries[index],
                                  )));
                      }, icon: Icon(Icons.arrow_forward_ios,size:16)),
                    ),
                  ),
                )
              ],
            )));
  }
}

class CountryDetail extends StatefulWidget {
  final Country country;

  const CountryDetail({Key key, this.country}) : super(key: key);
  @override
  _CountryDetailState createState() => _CountryDetailState();
}

class _CountryDetailState extends State<CountryDetail> {
  Widget dataWidget(String key, int value) {
    return Container(
      alignment: Alignment.center,
      padding: EdgeInsets.symmetric(
          horizontal: MediaQuery.of(context).size.width * 0.15),
      child: Row(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Text("$key:"),
          SizedBox(
            width: 16,
          ),
          Flexible(
            child: Text(
              '$value',
              style: TextStyle(fontSize: 30),
            ),
          )
        ],
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Details'),
      ),
      body: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          Container(
            padding: EdgeInsets.symmetric(horizontal: 24),
            alignment: Alignment.center,
            child: Text(
              widget.country.name,
              style: TextStyle(fontSize: 40),
            ),
          ),
          SizedBox(
            height: 20,
          ),
          dataWidget('Population:', widget.country.population),
          dataWidget('Density', widget.country.density),
          dataWidget('Land Area (in Km\'s)', widget.country.landArea)
        ],
      ),
    );
  }
}