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[英]Flutter Firestore Error: MissingPluginException(No implementation found for method DocumentReference#updateData
[英]Error Connecting to Firestore: flutter, MissingPluginException
[錯誤:flutter/lib/ui/ui_dart_state.cc(157)] 未處理的異常:MissingPluginException(在通道插件上找不到方法 DocumentReference#setData 的實現。flutter.io/cloud_firestore)
Future<void> _createJob(BuildContext context) async{
final database = Provider.of<Database>(context);
await database.createJob(Job(name: 'Bloging', ratePerHour: 10));
}
import 'package:flutter/foundation.dart';
class Job{
Job({@required this.name, @required this.ratePerHour});
final String name;
final int ratePerHour;
Map<String, dynamic> toMap() {
return{
'name': name,
'ratePerHour': ratePerHour,
};
}
}
create: (_) => FirestoreDatabase(uid: user.uid),
child: JobsPage());
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/foundation.dart';
import 'package:time_tracker/app/models/jobs.dart';
import 'dart:async';
import 'package:time_tracker/servises/api_path.dart';
abstract class Database {
Future<void> createJob (Job job);
}
class FirestoreDatabase implements Database {
FirestoreDatabase({@required this.uid}) : assert(uid != null);
final String uid;
Future<void> createJob (Job job) async {
final path = APIPAth.job(uid, 'job_abc');
final documentReference = Firestore.instance.document(path);
await documentReference.setData(job.toMap());
}
}
static String job (String uid, String jobId) => '/users/$uid/jobs/$jobId';
}
將 firestore 插件添加到pubspec.yaml
文件:
dependencies:
cloud_firestore: ^0.13.5
然后執行以下命令:
從終端:運行 flutter pub get。
或者
從 Android Studio/IntelliJ:單擊 Packages 進入 pubspec.yaml 頂部的操作功能區。
從 VS Code:單擊位於 pubspec.yaml 頂部操作功能區右側的 Get Packages。
在您的代碼更改中:
final documentReference = Firestore.instance.document(path);
await documentReference.setData(job.toMap());
進入這個:
final documentReference = Firestore.instance.collection(path);
await documentReference.add(job.toMap());
在 Firestore 中,您有:
集合->文檔->集合->文檔
如果你想將數據添加到collection
中,那么你需要使用add()
方法,該方法將創建一個隨機文檔 ID 並添加數據。
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