82 lines
2.5 KiB
Dart
Executable File
82 lines
2.5 KiB
Dart
Executable File
// Copyright 2017, the Chromium project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
import 'dart:async';
|
|
|
|
import 'package:flutter/material.dart';
|
|
import 'package:firebase_core/firebase_core.dart';
|
|
import 'package:cloud_firestore/cloud_firestore.dart';
|
|
|
|
Future<void> main() async {
|
|
final FirebaseApp app = await FirebaseApp.configure(
|
|
name: 'test',
|
|
options: const FirebaseOptions(
|
|
googleAppID: '1:79601577497:ios:5f2bcc6ba8cecddd',
|
|
gcmSenderID: '79601577497',
|
|
apiKey: 'AIzaSyArgmRGfB5kiQT6CunAOmKRVKEsxKmy6YI-G72PVU',
|
|
projectID: 'flutter-firestore',
|
|
),
|
|
);
|
|
final Firestore firestore = Firestore(app: app);
|
|
await firestore.settings(timestampsInSnapshotsEnabled: true);
|
|
|
|
runApp(MaterialApp(
|
|
title: 'Firestore Example', home: MyHomePage(firestore: firestore)));
|
|
}
|
|
|
|
class MessageList extends StatelessWidget {
|
|
MessageList({this.firestore});
|
|
|
|
final Firestore firestore;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return StreamBuilder<QuerySnapshot>(
|
|
stream: firestore.collection('messages').snapshots(),
|
|
builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) {
|
|
if (!snapshot.hasData) return const Text('Loading...');
|
|
final int messageCount = snapshot.data.documents.length;
|
|
return ListView.builder(
|
|
itemCount: messageCount,
|
|
itemBuilder: (_, int index) {
|
|
final DocumentSnapshot document = snapshot.data.documents[index];
|
|
return ListTile(
|
|
title: Text(document['message'] ?? '<No message retrieved>'),
|
|
subtitle: Text('Message ${index + 1} of $messageCount'),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
);
|
|
}
|
|
}
|
|
|
|
class MyHomePage extends StatelessWidget {
|
|
MyHomePage({this.firestore});
|
|
final Firestore firestore;
|
|
CollectionReference get messages => firestore.collection('messages');
|
|
|
|
Future<void> _addMessage() async {
|
|
await messages.add(<String, dynamic>{
|
|
'message': 'Hello world!',
|
|
'created_at': FieldValue.serverTimestamp(),
|
|
});
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
appBar: AppBar(
|
|
title: const Text('Firestore Example'),
|
|
),
|
|
body: MessageList(firestore: firestore),
|
|
floatingActionButton: FloatingActionButton(
|
|
onPressed: _addMessage,
|
|
tooltip: 'Increment',
|
|
child: const Icon(Icons.add),
|
|
),
|
|
);
|
|
}
|
|
}
|