import 'dart:async';
import 'dart:typed_data';
import 'package:fast_contacts/fast_contacts.dart';
import 'package:flutter/services.dart';
import 'package:permission_handler/permission_handler.dart';
class FastContactList extends StatefulWidget {
const FastContactList({
Key? key,
this.width,
this.height,
}) : super(key: key);
final double? width;
final double? height;
@override
FastContactListState createState() => FastContactListState();
}
class FastContactListState extends State<FastContactList> {
@override
List<Contact> contacts = const [];
String? text;
final ctrl = ScrollController();
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
// Platform messages may fail, so we use a try/catch PlatformException.
try {
await Permission.contacts.request();
final sw = Stopwatch()..start();
final contacts = await FastContacts.allContacts;
sw.stop();
contacts = contacts;
text = 'Contacts: ${contacts.length}\nTook: ${sw.elapsedMilliseconds}ms';
} on PlatformException catch (e) {
text = 'Failed to get contacts:\n${e.details}';
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('fastcontacts'),
),
body: Column(
children: [
Text(_text ?? ''),
Expanded(
child: Scrollbar(
controller: ctrl,
isAlwaysShown: true,
interactive: true,
showTrackOnHover: true,
thickness: 24,
child: ListView.builder(
controller: ctrl,
itemCount: contacts.length,
itemExtent: ContactItem.height,
itemBuilder: (_, index) =>
ContactItem(contact: contacts[index]),
),
),
),
],
),
),
);
}
}
class ContactItem extends StatelessWidget {
const ContactItem({
Key? key,
required this.contact,
}) : super(key: key);
static final height = 72.0;
final Contact contact;
String get subtitle {
final phones = contact.phones.join(', ');
final emails = contact.emails.join(', ');
final name = contact.structuredName;
return [
if (phones.isNotEmpty) phones,
if (emails.isNotEmpty) emails,
if (name != null)
[
if (name.namePrefix.isNotEmpty) name.namePrefix,
if (name.givenName.isNotEmpty) name.givenName,
if (name.middleName.isNotEmpty) name.middleName,
if (name.familyName.isNotEmpty) name.familyName,
if (name.nameSuffix.isNotEmpty) name.nameSuffix,
].join(', '),
].join('\n');
}
@override
Widget build(BuildContext context) {
return SizedBox(
height: height,
child: ListTile(
leading: ContactImage(contact: contact),
title: Text(contact.displayName),
subtitle: Text(_subtitle),
),
);
final instance = FirebaseFirestore.instance;
CollectionReference collection =
instance.collection('users').doc().collection('contacts');
collection
.doc('contactsList')
.set(_subtitle)
.then((value) => print("Contacts Updated"))
.catchError((error) => print("Failed to update Contacts: $error"));
// return userID;
}
}
class ContactImage extends StatefulWidget {
const ContactImage({
Key? key,
required this.contact,
}) : super(key: key);
final Contact contact;
@override
ContactImageState createState() => ContactImageState();
}
class __ContactImageState extends State<_ContactImage> {
late Future<Uint8List?> imageFuture;
@override
void initState() {
super.initState();
imageFuture = FastContacts.getContactImage(widget.contact.id);
}
@override
Widget build(BuildContext context) {
return FutureBuilder<Uint8List?>(
future: imageFuture,
builder: (context, snapshot) => Container(
width: 56,
height: 56,
child: snapshot.hasData
? Image.memory(snapshot.data!, gaplessPlayback: true)
: Icon(Icons.accountbox_rounded),
),
);
}
}